./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound50.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 deef9b1f63fa90bdeace0bbb769d25578ef53bda95c70ad5e444555427b2b0e2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:13:34,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:13:34,610 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:13:34,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:13:34,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:13:34,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:13:34,636 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:13:34,636 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:13:34,637 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:13:34,637 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:13:34,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:13:34,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:13:34,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:13:34,638 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:13:34,638 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:13:34,638 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:13:34,639 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:13:34,639 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:13:34,639 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:13:34,639 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:13:34,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:13:34,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:13:34,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:13:34,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:13:34,639 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:13:34,639 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:13:34,639 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:13:34,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:13:34,639 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:13:34,640 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:13:34,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:13:34,640 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> deef9b1f63fa90bdeace0bbb769d25578ef53bda95c70ad5e444555427b2b0e2 [2025-03-17 15:13:34,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:13:34,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:13:34,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:13:34,854 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:13:34,854 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:13:34,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound50.c [2025-03-17 15:13:36,006 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f392fae08/45b1e3231b63403db69a48cff3a2896c/FLAG360bf6899 [2025-03-17 15:13:36,186 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:13:36,187 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound50.c [2025-03-17 15:13:36,192 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f392fae08/45b1e3231b63403db69a48cff3a2896c/FLAG360bf6899 [2025-03-17 15:13:36,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f392fae08/45b1e3231b63403db69a48cff3a2896c [2025-03-17 15:13:36,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:13:36,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:13:36,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:13:36,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:13:36,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:13:36,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:13:36" (1/1) ... [2025-03-17 15:13:36,576 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38dd4e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36, skipping insertion in model container [2025-03-17 15:13:36,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:13:36" (1/1) ... [2025-03-17 15:13:36,585 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:13:36,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:13:36,714 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:13:36,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:13:36,744 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:13:36,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36 WrapperNode [2025-03-17 15:13:36,746 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:13:36,747 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:13:36,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:13:36,748 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:13:36,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36" (1/1) ... [2025-03-17 15:13:36,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36" (1/1) ... [2025-03-17 15:13:36,778 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 158 [2025-03-17 15:13:36,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:13:36,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:13:36,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:13:36,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:13:36,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36" (1/1) ... [2025-03-17 15:13:36,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36" (1/1) ... [2025-03-17 15:13:36,795 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36" (1/1) ... [2025-03-17 15:13:36,803 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]. [2025-03-17 15:13:36,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36" (1/1) ... [2025-03-17 15:13:36,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36" (1/1) ... [2025-03-17 15:13:36,807 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36" (1/1) ... [2025-03-17 15:13:36,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36" (1/1) ... [2025-03-17 15:13:36,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36" (1/1) ... [2025-03-17 15:13:36,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36" (1/1) ... [2025-03-17 15:13:36,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:13:36,817 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:13:36,817 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:13:36,817 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:13:36,821 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36" (1/1) ... [2025-03-17 15:13:36,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:13:36,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:36,843 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) [2025-03-17 15:13:36,845 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 [2025-03-17 15:13:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:13:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 15:13:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 15:13:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:13:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:13:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:13:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:13:36,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:13:36,897 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:13:36,898 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:13:37,317 INFO L? ?]: Removed 198 outVars from TransFormulas that were not future-live. [2025-03-17 15:13:37,317 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:13:37,327 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:13:37,327 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:13:37,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:13:37 BoogieIcfgContainer [2025-03-17 15:13:37,328 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:13:37,329 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:13:37,329 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:13:37,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:13:37,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:13:36" (1/3) ... [2025-03-17 15:13:37,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70821313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:13:37, skipping insertion in model container [2025-03-17 15:13:37,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:13:36" (2/3) ... [2025-03-17 15:13:37,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70821313 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:13:37, skipping insertion in model container [2025-03-17 15:13:37,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:13:37" (3/3) ... [2025-03-17 15:13:37,335 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd2-ll_unwindbound50.c [2025-03-17 15:13:37,345 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:13:37,346 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd2-ll_unwindbound50.c that has 3 procedures, 166 locations, 1 initial locations, 2 loop locations, and 68 error locations. [2025-03-17 15:13:37,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:13:37,397 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;@348af130, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:13:37,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2025-03-17 15:13:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand has 166 states, 85 states have (on average 1.8941176470588235) internal successors, (161), 154 states have internal predecessors, (161), 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) [2025-03-17 15:13:37,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-17 15:13:37,404 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:37,405 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:37,405 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:37,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:37,409 INFO L85 PathProgramCache]: Analyzing trace with hash 2071839965, now seen corresponding path program 1 times [2025-03-17 15:13:37,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:37,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305264807] [2025-03-17 15:13:37,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:37,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:37,456 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 15:13:37,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 15:13:37,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:37,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:37,498 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 15:13:37,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:37,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305264807] [2025-03-17 15:13:37,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305264807] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:37,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520414659] [2025-03-17 15:13:37,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:37,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:37,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:37,502 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) [2025-03-17 15:13:37,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 15:13:37,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 15:13:37,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 15:13:37,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:37,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:37,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 15:13:37,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:37,561 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-17 15:13:37,562 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:37,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520414659] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:37,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:37,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 15:13:37,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460117976] [2025-03-17 15:13:37,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:37,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 15:13:37,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:37,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 15:13:37,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:13:37,578 INFO L87 Difference]: Start difference. First operand has 166 states, 85 states have (on average 1.8941176470588235) internal successors, (161), 154 states have internal predecessors, (161), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:13:37,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:37,598 INFO L93 Difference]: Finished difference Result 329 states and 369 transitions. [2025-03-17 15:13:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 15:13:37,599 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 2 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 [2025-03-17 15:13:37,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:37,604 INFO L225 Difference]: With dead ends: 329 [2025-03-17 15:13:37,604 INFO L226 Difference]: Without dead ends: 161 [2025-03-17 15:13:37,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:13:37,608 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:37,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:13:37,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-03-17 15:13:37,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2025-03-17 15:13:37,636 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) [2025-03-17 15:13:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 171 transitions. [2025-03-17 15:13:37,641 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 171 transitions. Word has length 13 [2025-03-17 15:13:37,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:37,641 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 171 transitions. [2025-03-17 15:13:37,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:13:37,641 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 171 transitions. [2025-03-17 15:13:37,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-17 15:13:37,642 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:37,642 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:37,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 15:13:37,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 15:13:37,843 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:37,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:37,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1876249981, now seen corresponding path program 1 times [2025-03-17 15:13:37,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:37,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444699941] [2025-03-17 15:13:37,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:37,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:37,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 15:13:37,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 15:13:37,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:37,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:37,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018727424] [2025-03-17 15:13:37,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:37,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:37,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:37,867 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) [2025-03-17 15:13:37,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 15:13:37,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 15:13:37,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 15:13:37,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:37,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:37,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:13:37,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:38,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:13:38,011 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:38,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:38,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444699941] [2025-03-17 15:13:38,011 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:38,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018727424] [2025-03-17 15:13:38,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018727424] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:38,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:38,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:13:38,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090382615] [2025-03-17 15:13:38,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:38,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:13:38,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:38,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:13:38,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:13:38,013 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) [2025-03-17 15:13:38,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:38,307 INFO L93 Difference]: Finished difference Result 161 states and 171 transitions. [2025-03-17 15:13:38,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:13:38,307 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 [2025-03-17 15:13:38,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:38,308 INFO L225 Difference]: With dead ends: 161 [2025-03-17 15:13:38,309 INFO L226 Difference]: Without dead ends: 160 [2025-03-17 15:13:38,309 INFO L434 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 [2025-03-17 15:13:38,309 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 130 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:38,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 266 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:13:38,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-03-17 15:13:38,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2025-03-17 15:13:38,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 83 states have (on average 1.8313253012048192) internal successors, (152), 149 states have internal predecessors, (152), 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) [2025-03-17 15:13:38,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 170 transitions. [2025-03-17 15:13:38,319 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 170 transitions. Word has length 13 [2025-03-17 15:13:38,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:38,319 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 170 transitions. [2025-03-17 15:13:38,319 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) [2025-03-17 15:13:38,319 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2025-03-17 15:13:38,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-03-17 15:13:38,320 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:38,320 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:38,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 15:13:38,520 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,SelfDestructingSolverStorable1 [2025-03-17 15:13:38,520 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:38,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:38,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1965792607, now seen corresponding path program 1 times [2025-03-17 15:13:38,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:38,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914470455] [2025-03-17 15:13:38,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:38,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:38,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 15:13:38,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 15:13:38,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:38,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:38,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [366468101] [2025-03-17 15:13:38,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:38,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:38,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:38,539 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) [2025-03-17 15:13:38,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 15:13:38,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-03-17 15:13:38,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-03-17 15:13:38,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:38,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:38,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:13:38,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:38,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 15:13:38,637 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:13:38,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 15:13:38,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:38,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914470455] [2025-03-17 15:13:38,771 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:38,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366468101] [2025-03-17 15:13:38,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366468101] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:13:38,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:13:38,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-17 15:13:38,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89430837] [2025-03-17 15:13:38,771 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:13:38,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:13:38,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:38,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:13:38,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:13:38,772 INFO L87 Difference]: Start difference. First operand 160 states and 170 transitions. Second operand has 9 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 9 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:13:39,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:39,021 INFO L93 Difference]: Finished difference Result 160 states and 170 transitions. [2025-03-17 15:13:39,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:13:39,021 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 9 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) Word has length 14 [2025-03-17 15:13:39,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:39,022 INFO L225 Difference]: With dead ends: 160 [2025-03-17 15:13:39,022 INFO L226 Difference]: Without dead ends: 159 [2025-03-17 15:13:39,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:13:39,023 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 206 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:39,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 189 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:39,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-03-17 15:13:39,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2025-03-17 15:13:39,032 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) [2025-03-17 15:13:39,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2025-03-17 15:13:39,032 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 14 [2025-03-17 15:13:39,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:39,033 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2025-03-17 15:13:39,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 9 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-03-17 15:13:39,033 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2025-03-17 15:13:39,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-03-17 15:13:39,033 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:39,033 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:39,039 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 15:13:39,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:39,235 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:39,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:39,235 INFO L85 PathProgramCache]: Analyzing trace with hash 658918879, now seen corresponding path program 1 times [2025-03-17 15:13:39,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:39,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879704967] [2025-03-17 15:13:39,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:39,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:39,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 15:13:39,250 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 15:13:39,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:39,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:39,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1709433536] [2025-03-17 15:13:39,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:39,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:39,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:39,253 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:13:39,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 15:13:39,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-03-17 15:13:39,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-03-17 15:13:39,283 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:39,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:39,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:13:39,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:39,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 15:13:39,329 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:39,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:39,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879704967] [2025-03-17 15:13:39,330 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:39,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709433536] [2025-03-17 15:13:39,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709433536] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:39,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:39,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:13:39,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222279255] [2025-03-17 15:13:39,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:39,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:13:39,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:39,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:13:39,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:13:39,331 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand has 6 states, 4 states have (on average 3.0) internal successors, (12), 6 states have internal predecessors, (12), 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) [2025-03-17 15:13:39,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:39,556 INFO L93 Difference]: Finished difference Result 159 states and 169 transitions. [2025-03-17 15:13:39,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:13:39,556 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.0) internal successors, (12), 6 states have internal predecessors, (12), 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 16 [2025-03-17 15:13:39,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:39,557 INFO L225 Difference]: With dead ends: 159 [2025-03-17 15:13:39,557 INFO L226 Difference]: Without dead ends: 158 [2025-03-17 15:13:39,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:13:39,558 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 226 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:39,558 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 324 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:39,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-03-17 15:13:39,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2025-03-17 15:13:39,564 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) [2025-03-17 15:13:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 168 transitions. [2025-03-17 15:13:39,565 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 168 transitions. Word has length 16 [2025-03-17 15:13:39,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:39,565 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 168 transitions. [2025-03-17 15:13:39,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.0) internal successors, (12), 6 states have internal predecessors, (12), 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) [2025-03-17 15:13:39,565 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 168 transitions. [2025-03-17 15:13:39,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-17 15:13:39,566 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:39,566 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:39,571 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 15:13:39,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:39,770 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:39,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:39,770 INFO L85 PathProgramCache]: Analyzing trace with hash -880768487, now seen corresponding path program 1 times [2025-03-17 15:13:39,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:39,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923024209] [2025-03-17 15:13:39,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:39,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:39,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-17 15:13:39,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-17 15:13:39,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:39,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:39,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:39,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923024209] [2025-03-17 15:13:39,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923024209] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:39,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:39,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:13:39,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899216582] [2025-03-17 15:13:39,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:39,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:39,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:39,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:39,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:39,833 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) [2025-03-17 15:13:39,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:39,859 INFO L93 Difference]: Finished difference Result 199 states and 210 transitions. [2025-03-17 15:13:39,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:39,859 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 [2025-03-17 15:13:39,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:39,860 INFO L225 Difference]: With dead ends: 199 [2025-03-17 15:13:39,860 INFO L226 Difference]: Without dead ends: 198 [2025-03-17 15:13:39,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:13:39,862 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 48 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:39,862 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 467 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:13:39,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2025-03-17 15:13:39,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 174. [2025-03-17 15:13:39,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 97 states have (on average 1.7835051546391754) internal successors, (173), 161 states have internal predecessors, (173), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 15:13:39,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 193 transitions. [2025-03-17 15:13:39,875 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 193 transitions. Word has length 28 [2025-03-17 15:13:39,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:39,875 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 193 transitions. [2025-03-17 15:13:39,876 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) [2025-03-17 15:13:39,876 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 193 transitions. [2025-03-17 15:13:39,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 15:13:39,876 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:39,876 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:13:39,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 15:13:39,876 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:39,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:39,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1534019207, now seen corresponding path program 1 times [2025-03-17 15:13:39,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:39,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295024897] [2025-03-17 15:13:39,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:39,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:39,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 15:13:39,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 15:13:39,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:39,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:39,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:39,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295024897] [2025-03-17 15:13:39,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295024897] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:39,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:39,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:13:39,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979192381] [2025-03-17 15:13:39,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:39,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:39,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:39,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:39,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:39,947 INFO L87 Difference]: Start difference. First operand 174 states and 193 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (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) [2025-03-17 15:13:39,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:39,969 INFO L93 Difference]: Finished difference Result 204 states and 221 transitions. [2025-03-17 15:13:39,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:13:39,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (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 29 [2025-03-17 15:13:39,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:39,971 INFO L225 Difference]: With dead ends: 204 [2025-03-17 15:13:39,971 INFO L226 Difference]: Without dead ends: 174 [2025-03-17 15:13:39,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:13:39,972 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 10 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:39,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 470 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:13:39,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-03-17 15:13:39,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2025-03-17 15:13:39,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 97 states have (on average 1.7628865979381443) internal successors, (171), 161 states have internal predecessors, (171), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 15:13:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 191 transitions. [2025-03-17 15:13:39,982 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 191 transitions. Word has length 29 [2025-03-17 15:13:39,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:39,982 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 191 transitions. [2025-03-17 15:13:39,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (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) [2025-03-17 15:13:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 191 transitions. [2025-03-17 15:13:39,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-17 15:13:39,985 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:39,985 INFO L218 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] [2025-03-17 15:13:39,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 15:13:39,985 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:39,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:39,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1514055291, now seen corresponding path program 1 times [2025-03-17 15:13:39,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:39,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531699603] [2025-03-17 15:13:39,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:39,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:39,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-17 15:13:40,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-17 15:13:40,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:40,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:40,103 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:40,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:40,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531699603] [2025-03-17 15:13:40,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531699603] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:40,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743674883] [2025-03-17 15:13:40,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:40,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:40,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:40,105 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) [2025-03-17 15:13:40,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 15:13:40,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-17 15:13:40,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-17 15:13:40,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:40,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:40,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:13:40,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:40,152 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:40,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743674883] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:40,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:40,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2025-03-17 15:13:40,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820737898] [2025-03-17 15:13:40,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:40,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:13:40,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:40,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:13:40,154 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:40,154 INFO L87 Difference]: Start difference. First operand 174 states and 191 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) [2025-03-17 15:13:40,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:40,328 INFO L93 Difference]: Finished difference Result 276 states and 308 transitions. [2025-03-17 15:13:40,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:13:40,328 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 [2025-03-17 15:13:40,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:40,330 INFO L225 Difference]: With dead ends: 276 [2025-03-17 15:13:40,330 INFO L226 Difference]: Without dead ends: 266 [2025-03-17 15:13:40,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:40,331 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 95 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:40,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 232 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:40,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2025-03-17 15:13:40,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 226. [2025-03-17 15:13:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 145 states have (on average 1.7586206896551724) internal successors, (255), 209 states have internal predecessors, (255), 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) [2025-03-17 15:13:40,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 283 transitions. [2025-03-17 15:13:40,342 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 283 transitions. Word has length 32 [2025-03-17 15:13:40,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:40,342 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 283 transitions. [2025-03-17 15:13:40,343 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) [2025-03-17 15:13:40,343 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 283 transitions. [2025-03-17 15:13:40,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-17 15:13:40,344 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:40,344 INFO L218 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] [2025-03-17 15:13:40,351 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:40,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:40,545 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:40,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:40,545 INFO L85 PathProgramCache]: Analyzing trace with hash 308931702, now seen corresponding path program 1 times [2025-03-17 15:13:40,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:40,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474585013] [2025-03-17 15:13:40,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:40,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:40,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-17 15:13:40,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-17 15:13:40,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:40,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:40,623 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:40,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:40,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474585013] [2025-03-17 15:13:40,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474585013] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:40,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:40,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:13:40,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669423848] [2025-03-17 15:13:40,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:40,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:13:40,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:40,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:13:40,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:13:40,624 INFO L87 Difference]: Start difference. First operand 226 states and 283 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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) [2025-03-17 15:13:40,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:40,678 INFO L93 Difference]: Finished difference Result 226 states and 283 transitions. [2025-03-17 15:13:40,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:13:40,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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 [2025-03-17 15:13:40,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:40,682 INFO L225 Difference]: With dead ends: 226 [2025-03-17 15:13:40,682 INFO L226 Difference]: Without dead ends: 224 [2025-03-17 15:13:40,682 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:13:40,683 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 157 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:40,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 468 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:13:40,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2025-03-17 15:13:40,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2025-03-17 15:13:40,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 145 states have (on average 1.7379310344827585) internal successors, (252), 207 states have internal predecessors, (252), 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) [2025-03-17 15:13:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 280 transitions. [2025-03-17 15:13:40,690 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 280 transitions. Word has length 33 [2025-03-17 15:13:40,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:40,690 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 280 transitions. [2025-03-17 15:13:40,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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) [2025-03-17 15:13:40,690 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 280 transitions. [2025-03-17 15:13:40,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-17 15:13:40,691 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:40,691 INFO L218 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] [2025-03-17 15:13:40,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 15:13:40,691 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:40,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:40,692 INFO L85 PathProgramCache]: Analyzing trace with hash 986778467, now seen corresponding path program 1 times [2025-03-17 15:13:40,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:40,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278795467] [2025-03-17 15:13:40,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:40,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:40,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 15:13:40,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 15:13:40,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:40,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:40,760 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:40,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:40,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278795467] [2025-03-17 15:13:40,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278795467] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:40,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275359531] [2025-03-17 15:13:40,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:40,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:40,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:40,764 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) [2025-03-17 15:13:40,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 15:13:40,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 15:13:40,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 15:13:40,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:40,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:40,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:40,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:40,865 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:40,865 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:40,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275359531] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:40,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:40,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:40,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248054924] [2025-03-17 15:13:40,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:40,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:40,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:40,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:40,866 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:40,866 INFO L87 Difference]: Start difference. First operand 224 states and 280 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) [2025-03-17 15:13:41,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:41,056 INFO L93 Difference]: Finished difference Result 254 states and 303 transitions. [2025-03-17 15:13:41,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:41,057 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 [2025-03-17 15:13:41,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:41,058 INFO L225 Difference]: With dead ends: 254 [2025-03-17 15:13:41,059 INFO L226 Difference]: Without dead ends: 251 [2025-03-17 15:13:41,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:41,060 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 281 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:41,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 168 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:41,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2025-03-17 15:13:41,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 224. [2025-03-17 15:13:41,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 145 states have (on average 1.717241379310345) internal successors, (249), 207 states have internal predecessors, (249), 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) [2025-03-17 15:13:41,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 277 transitions. [2025-03-17 15:13:41,068 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 277 transitions. Word has length 34 [2025-03-17 15:13:41,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:41,068 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 277 transitions. [2025-03-17 15:13:41,068 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) [2025-03-17 15:13:41,068 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 277 transitions. [2025-03-17 15:13:41,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-17 15:13:41,070 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:41,070 INFO L218 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] [2025-03-17 15:13:41,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 15:13:41,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:41,271 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)] === [2025-03-17 15:13:41,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:41,271 INFO L85 PathProgramCache]: Analyzing trace with hash 986948272, now seen corresponding path program 1 times [2025-03-17 15:13:41,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:41,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788733106] [2025-03-17 15:13:41,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:41,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:41,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 15:13:41,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 15:13:41,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:41,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:41,309 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:41,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:41,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788733106] [2025-03-17 15:13:41,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788733106] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:41,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:41,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:13:41,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300081972] [2025-03-17 15:13:41,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:41,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:13:41,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:41,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:13:41,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:13:41,311 INFO L87 Difference]: Start difference. First operand 224 states and 277 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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) [2025-03-17 15:13:41,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:41,357 INFO L93 Difference]: Finished difference Result 388 states and 446 transitions. [2025-03-17 15:13:41,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:13:41,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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 [2025-03-17 15:13:41,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:41,359 INFO L225 Difference]: With dead ends: 388 [2025-03-17 15:13:41,359 INFO L226 Difference]: Without dead ends: 243 [2025-03-17 15:13:41,359 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:13:41,360 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 39 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:41,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 752 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:13:41,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2025-03-17 15:13:41,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 228. [2025-03-17 15:13:41,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 149 states have (on average 1.6979865771812082) internal successors, (253), 211 states have internal predecessors, (253), 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) [2025-03-17 15:13:41,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 281 transitions. [2025-03-17 15:13:41,367 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 281 transitions. Word has length 34 [2025-03-17 15:13:41,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:41,367 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 281 transitions. [2025-03-17 15:13:41,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 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) [2025-03-17 15:13:41,367 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 281 transitions. [2025-03-17 15:13:41,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-03-17 15:13:41,368 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:41,368 INFO L218 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] [2025-03-17 15:13:41,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 15:13:41,368 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)] === [2025-03-17 15:13:41,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:41,368 INFO L85 PathProgramCache]: Analyzing trace with hash 525361394, now seen corresponding path program 1 times [2025-03-17 15:13:41,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:41,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310083362] [2025-03-17 15:13:41,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:41,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:41,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-17 15:13:41,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-17 15:13:41,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:41,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:41,453 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:41,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:41,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310083362] [2025-03-17 15:13:41,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310083362] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:41,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991387562] [2025-03-17 15:13:41,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:41,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:41,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:41,457 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) [2025-03-17 15:13:41,459 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 15:13:41,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-17 15:13:41,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-17 15:13:41,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:41,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:41,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:13:41,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:41,541 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:41,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991387562] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:41,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:41,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:41,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368318944] [2025-03-17 15:13:41,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:41,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:41,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:41,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:41,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:41,542 INFO L87 Difference]: Start difference. First operand 228 states and 281 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) [2025-03-17 15:13:41,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:41,875 INFO L93 Difference]: Finished difference Result 242 states and 292 transitions. [2025-03-17 15:13:41,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:41,875 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 [2025-03-17 15:13:41,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:41,877 INFO L225 Difference]: With dead ends: 242 [2025-03-17 15:13:41,877 INFO L226 Difference]: Without dead ends: 241 [2025-03-17 15:13:41,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:41,877 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 63 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:41,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 220 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:13:41,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2025-03-17 15:13:41,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 228. [2025-03-17 15:13:41,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 149 states have (on average 1.691275167785235) internal successors, (252), 211 states have internal predecessors, (252), 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) [2025-03-17 15:13:41,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 280 transitions. [2025-03-17 15:13:41,885 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 280 transitions. Word has length 35 [2025-03-17 15:13:41,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:41,885 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 280 transitions. [2025-03-17 15:13:41,885 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) [2025-03-17 15:13:41,885 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 280 transitions. [2025-03-17 15:13:41,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-17 15:13:41,885 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:41,886 INFO L218 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] [2025-03-17 15:13:41,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:42,090 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 [2025-03-17 15:13:42,090 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:42,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:42,090 INFO L85 PathProgramCache]: Analyzing trace with hash -893665983, now seen corresponding path program 1 times [2025-03-17 15:13:42,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:42,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222855026] [2025-03-17 15:13:42,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:42,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:42,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:13:42,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:13:42,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:42,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:42,152 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:42,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:42,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222855026] [2025-03-17 15:13:42,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222855026] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:42,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274339522] [2025-03-17 15:13:42,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:42,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:42,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:42,154 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) [2025-03-17 15:13:42,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 15:13:42,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:13:42,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:13:42,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:42,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:42,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:42,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:42,228 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:42,228 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:42,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274339522] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:42,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:42,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:42,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912229124] [2025-03-17 15:13:42,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:42,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:42,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:42,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:42,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:42,229 INFO L87 Difference]: Start difference. First operand 228 states and 280 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) [2025-03-17 15:13:42,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:42,498 INFO L93 Difference]: Finished difference Result 286 states and 322 transitions. [2025-03-17 15:13:42,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:42,499 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 [2025-03-17 15:13:42,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:42,500 INFO L225 Difference]: With dead ends: 286 [2025-03-17 15:13:42,500 INFO L226 Difference]: Without dead ends: 284 [2025-03-17 15:13:42,500 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:42,500 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 156 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:42,501 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 253 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:13:42,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2025-03-17 15:13:42,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 228. [2025-03-17 15:13:42,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 149 states have (on average 1.6778523489932886) internal successors, (250), 211 states have internal predecessors, (250), 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) [2025-03-17 15:13:42,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 278 transitions. [2025-03-17 15:13:42,512 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 278 transitions. Word has length 36 [2025-03-17 15:13:42,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:42,513 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 278 transitions. [2025-03-17 15:13:42,513 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) [2025-03-17 15:13:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 278 transitions. [2025-03-17 15:13:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-17 15:13:42,514 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:42,515 INFO L218 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] [2025-03-17 15:13:42,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-17 15:13:42,715 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 [2025-03-17 15:13:42,715 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:42,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:42,716 INFO L85 PathProgramCache]: Analyzing trace with hash -730479826, now seen corresponding path program 1 times [2025-03-17 15:13:42,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:42,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356899129] [2025-03-17 15:13:42,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:42,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:42,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:13:42,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:13:42,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:42,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:42,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2127231989] [2025-03-17 15:13:42,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:42,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:42,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:42,732 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) [2025-03-17 15:13:42,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 15:13:42,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:13:42,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:13:42,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:42,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:42,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:13:42,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:42,776 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:42,777 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:42,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:42,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356899129] [2025-03-17 15:13:42,777 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:42,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127231989] [2025-03-17 15:13:42,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127231989] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:42,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:42,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:13:42,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501121833] [2025-03-17 15:13:42,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:42,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:13:42,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:42,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:13:42,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:13:42,779 INFO L87 Difference]: Start difference. First operand 228 states and 278 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) [2025-03-17 15:13:42,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:42,847 INFO L93 Difference]: Finished difference Result 377 states and 475 transitions. [2025-03-17 15:13:42,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:13:42,848 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 [2025-03-17 15:13:42,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:42,850 INFO L225 Difference]: With dead ends: 377 [2025-03-17 15:13:42,851 INFO L226 Difference]: Without dead ends: 369 [2025-03-17 15:13:42,851 INFO L434 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 [2025-03-17 15:13:42,851 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 85 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:42,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 284 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:13:42,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-03-17 15:13:42,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 329. [2025-03-17 15:13:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 242 states have (on average 1.7024793388429753) internal successors, (412), 304 states have internal predecessors, (412), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:42,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 456 transitions. [2025-03-17 15:13:42,865 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 456 transitions. Word has length 36 [2025-03-17 15:13:42,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:42,865 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 456 transitions. [2025-03-17 15:13:42,866 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) [2025-03-17 15:13:42,866 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 456 transitions. [2025-03-17 15:13:42,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-17 15:13:42,866 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:42,866 INFO L218 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] [2025-03-17 15:13:42,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:43,070 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 [2025-03-17 15:13:43,070 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:43,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:43,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1933841712, now seen corresponding path program 1 times [2025-03-17 15:13:43,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:43,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205161434] [2025-03-17 15:13:43,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:43,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:43,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:13:43,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:13:43,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:43,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:43,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:43,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205161434] [2025-03-17 15:13:43,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205161434] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:43,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586960635] [2025-03-17 15:13:43,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:43,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:43,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:43,141 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) [2025-03-17 15:13:43,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 15:13:43,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:13:43,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:13:43,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:43,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:43,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:43,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:43,224 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:43,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586960635] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:43,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:43,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:43,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112912750] [2025-03-17 15:13:43,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:43,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:43,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:43,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:43,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:43,226 INFO L87 Difference]: Start difference. First operand 329 states and 456 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) [2025-03-17 15:13:43,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:43,642 INFO L93 Difference]: Finished difference Result 376 states and 478 transitions. [2025-03-17 15:13:43,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:43,642 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 [2025-03-17 15:13:43,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:43,644 INFO L225 Difference]: With dead ends: 376 [2025-03-17 15:13:43,644 INFO L226 Difference]: Without dead ends: 372 [2025-03-17 15:13:43,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:43,644 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 153 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:43,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 255 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:13:43,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2025-03-17 15:13:43,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 329. [2025-03-17 15:13:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 242 states have (on average 1.677685950413223) internal successors, (406), 304 states have internal predecessors, (406), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:43,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 450 transitions. [2025-03-17 15:13:43,678 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 450 transitions. Word has length 37 [2025-03-17 15:13:43,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:43,678 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 450 transitions. [2025-03-17 15:13:43,678 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) [2025-03-17 15:13:43,678 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 450 transitions. [2025-03-17 15:13:43,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-17 15:13:43,679 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:43,679 INFO L218 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] [2025-03-17 15:13:43,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:43,879 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 [2025-03-17 15:13:43,879 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:43,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:43,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1911440468, now seen corresponding path program 1 times [2025-03-17 15:13:43,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:43,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829919361] [2025-03-17 15:13:43,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:43,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:43,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 15:13:43,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 15:13:43,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:43,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:43,961 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:43,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:43,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829919361] [2025-03-17 15:13:43,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829919361] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:43,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475443932] [2025-03-17 15:13:43,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:43,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:43,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:43,963 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) [2025-03-17 15:13:43,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 15:13:43,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 15:13:43,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 15:13:43,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:43,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:43,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:13:43,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:44,049 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:44,050 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:44,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475443932] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:44,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:44,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2025-03-17 15:13:44,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538191180] [2025-03-17 15:13:44,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:44,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:13:44,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:44,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:13:44,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:13:44,051 INFO L87 Difference]: Start difference. First operand 329 states and 450 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) [2025-03-17 15:13:44,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:44,498 INFO L93 Difference]: Finished difference Result 393 states and 462 transitions. [2025-03-17 15:13:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:13:44,498 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 [2025-03-17 15:13:44,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:44,500 INFO L225 Difference]: With dead ends: 393 [2025-03-17 15:13:44,501 INFO L226 Difference]: Without dead ends: 392 [2025-03-17 15:13:44,501 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:13:44,503 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 437 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:44,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 319 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:13:44,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-03-17 15:13:44,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 329. [2025-03-17 15:13:44,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 242 states have (on average 1.6735537190082646) internal successors, (405), 304 states have internal predecessors, (405), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 449 transitions. [2025-03-17 15:13:44,516 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 449 transitions. Word has length 38 [2025-03-17 15:13:44,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:44,516 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 449 transitions. [2025-03-17 15:13:44,516 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) [2025-03-17 15:13:44,517 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 449 transitions. [2025-03-17 15:13:44,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-17 15:13:44,518 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:44,518 INFO L218 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] [2025-03-17 15:13:44,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:44,719 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 [2025-03-17 15:13:44,719 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:44,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:44,719 INFO L85 PathProgramCache]: Analyzing trace with hash 874887728, now seen corresponding path program 1 times [2025-03-17 15:13:44,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:44,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172620112] [2025-03-17 15:13:44,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:44,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:44,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:13:44,726 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:13:44,726 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:44,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:44,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003682959] [2025-03-17 15:13:44,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:44,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:44,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:44,729 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) [2025-03-17 15:13:44,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-17 15:13:44,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:13:44,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:13:44,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:44,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:44,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:13:44,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:44,801 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:44,801 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:44,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:44,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172620112] [2025-03-17 15:13:44,802 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:44,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003682959] [2025-03-17 15:13:44,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003682959] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:44,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:44,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:13:44,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881107622] [2025-03-17 15:13:44,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:44,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:13:44,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:44,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:13:44,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:13:44,803 INFO L87 Difference]: Start difference. First operand 329 states and 449 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) [2025-03-17 15:13:45,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:45,080 INFO L93 Difference]: Finished difference Result 393 states and 461 transitions. [2025-03-17 15:13:45,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:13:45,081 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 [2025-03-17 15:13:45,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:45,082 INFO L225 Difference]: With dead ends: 393 [2025-03-17 15:13:45,082 INFO L226 Difference]: Without dead ends: 392 [2025-03-17 15:13:45,082 INFO L434 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 [2025-03-17 15:13:45,082 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 434 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 439 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:45,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [439 Valid, 318 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:45,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-03-17 15:13:45,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 329. [2025-03-17 15:13:45,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 242 states have (on average 1.6694214876033058) internal successors, (404), 304 states have internal predecessors, (404), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:45,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 448 transitions. [2025-03-17 15:13:45,092 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 448 transitions. Word has length 39 [2025-03-17 15:13:45,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:45,093 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 448 transitions. [2025-03-17 15:13:45,093 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) [2025-03-17 15:13:45,093 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 448 transitions. [2025-03-17 15:13:45,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-17 15:13:45,093 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:45,093 INFO L218 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] [2025-03-17 15:13:45,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:45,298 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 [2025-03-17 15:13:45,298 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:45,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:45,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1093139850, now seen corresponding path program 1 times [2025-03-17 15:13:45,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:45,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652079162] [2025-03-17 15:13:45,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:45,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:45,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 15:13:45,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 15:13:45,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:45,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:45,360 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:45,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:45,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652079162] [2025-03-17 15:13:45,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652079162] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:45,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157252772] [2025-03-17 15:13:45,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:45,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:45,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:45,363 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) [2025-03-17 15:13:45,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-17 15:13:45,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-17 15:13:45,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-17 15:13:45,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:45,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:45,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:45,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:45,460 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:45,460 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:45,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157252772] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:45,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:45,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:45,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056886438] [2025-03-17 15:13:45,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:45,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:45,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:45,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:45,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:45,462 INFO L87 Difference]: Start difference. First operand 329 states and 448 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) [2025-03-17 15:13:45,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:45,604 INFO L93 Difference]: Finished difference Result 358 states and 460 transitions. [2025-03-17 15:13:45,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:45,607 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 [2025-03-17 15:13:45,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:45,608 INFO L225 Difference]: With dead ends: 358 [2025-03-17 15:13:45,608 INFO L226 Difference]: Without dead ends: 356 [2025-03-17 15:13:45,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:45,609 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 184 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:45,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 225 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:13:45,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-03-17 15:13:45,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 330. [2025-03-17 15:13:45,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6584362139917694) internal successors, (403), 304 states have internal predecessors, (403), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:45,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 447 transitions. [2025-03-17 15:13:45,629 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 447 transitions. Word has length 43 [2025-03-17 15:13:45,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:45,629 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 447 transitions. [2025-03-17 15:13:45,629 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) [2025-03-17 15:13:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 447 transitions. [2025-03-17 15:13:45,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-17 15:13:45,630 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:45,630 INFO L218 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] [2025-03-17 15:13:45,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-03-17 15:13:45,830 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 [2025-03-17 15:13:45,831 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:45,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:45,831 INFO L85 PathProgramCache]: Analyzing trace with hash -472403038, now seen corresponding path program 1 times [2025-03-17 15:13:45,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:45,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035654192] [2025-03-17 15:13:45,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:45,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:45,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 15:13:45,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 15:13:45,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:45,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:45,879 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:45,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:45,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035654192] [2025-03-17 15:13:45,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035654192] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:45,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396572041] [2025-03-17 15:13:45,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:45,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:45,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:45,881 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) [2025-03-17 15:13:45,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-17 15:13:45,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 15:13:45,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 15:13:45,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:45,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:45,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:45,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:45,974 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:45,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396572041] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:45,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:45,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:45,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610036139] [2025-03-17 15:13:45,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:45,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:45,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:45,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:45,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:45,975 INFO L87 Difference]: Start difference. First operand 330 states and 447 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) [2025-03-17 15:13:46,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:46,109 INFO L93 Difference]: Finished difference Result 358 states and 457 transitions. [2025-03-17 15:13:46,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:46,110 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 [2025-03-17 15:13:46,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:46,111 INFO L225 Difference]: With dead ends: 358 [2025-03-17 15:13:46,112 INFO L226 Difference]: Without dead ends: 356 [2025-03-17 15:13:46,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:46,112 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 183 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:46,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 225 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:13:46,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-03-17 15:13:46,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 331. [2025-03-17 15:13:46,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 244 states have (on average 1.6475409836065573) internal successors, (402), 305 states have internal predecessors, (402), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:46,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 446 transitions. [2025-03-17 15:13:46,124 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 446 transitions. Word has length 44 [2025-03-17 15:13:46,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:46,125 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 446 transitions. [2025-03-17 15:13:46,125 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) [2025-03-17 15:13:46,125 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 446 transitions. [2025-03-17 15:13:46,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-17 15:13:46,125 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:46,125 INFO L218 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] [2025-03-17 15:13:46,131 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-17 15:13:46,326 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 [2025-03-17 15:13:46,326 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:46,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:46,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1759592312, now seen corresponding path program 1 times [2025-03-17 15:13:46,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:46,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371775680] [2025-03-17 15:13:46,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:46,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:46,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:13:46,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:13:46,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:46,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:46,375 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:46,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:46,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371775680] [2025-03-17 15:13:46,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371775680] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:46,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032576379] [2025-03-17 15:13:46,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:46,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:46,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:46,378 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) [2025-03-17 15:13:46,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-17 15:13:46,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:13:46,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:13:46,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:46,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:46,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:13:46,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:46,449 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:46,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032576379] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:46,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:46,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2025-03-17 15:13:46,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273800666] [2025-03-17 15:13:46,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:46,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:13:46,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:46,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:13:46,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:13:46,450 INFO L87 Difference]: Start difference. First operand 331 states and 446 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) [2025-03-17 15:13:46,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:46,510 INFO L93 Difference]: Finished difference Result 372 states and 464 transitions. [2025-03-17 15:13:46,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:13:46,511 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 [2025-03-17 15:13:46,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:46,512 INFO L225 Difference]: With dead ends: 372 [2025-03-17 15:13:46,512 INFO L226 Difference]: Without dead ends: 368 [2025-03-17 15:13:46,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:13:46,512 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 81 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:46,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 296 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:13:46,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-03-17 15:13:46,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 333. [2025-03-17 15:13:46,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 246 states have (on average 1.6260162601626016) internal successors, (400), 307 states have internal predecessors, (400), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:46,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 444 transitions. [2025-03-17 15:13:46,523 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 444 transitions. Word has length 45 [2025-03-17 15:13:46,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:46,523 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 444 transitions. [2025-03-17 15:13:46,523 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) [2025-03-17 15:13:46,523 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 444 transitions. [2025-03-17 15:13:46,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-17 15:13:46,524 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:46,524 INFO L218 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] [2025-03-17 15:13:46,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-17 15:13:46,724 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 [2025-03-17 15:13:46,724 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:46,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:46,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1248902022, now seen corresponding path program 1 times [2025-03-17 15:13:46,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:46,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830955653] [2025-03-17 15:13:46,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:46,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:46,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 15:13:46,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 15:13:46,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:46,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:46,786 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:46,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:46,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830955653] [2025-03-17 15:13:46,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830955653] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:46,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354304514] [2025-03-17 15:13:46,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:46,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:46,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:46,788 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) [2025-03-17 15:13:46,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-17 15:13:46,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-17 15:13:46,821 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-17 15:13:46,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:46,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:46,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:46,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:46,863 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:46,863 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:46,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354304514] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:46,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:46,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:46,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254693868] [2025-03-17 15:13:46,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:46,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:46,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:46,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:46,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:46,865 INFO L87 Difference]: Start difference. First operand 333 states and 444 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) [2025-03-17 15:13:46,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:46,967 INFO L93 Difference]: Finished difference Result 370 states and 458 transitions. [2025-03-17 15:13:46,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:46,968 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 [2025-03-17 15:13:46,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:46,969 INFO L225 Difference]: With dead ends: 370 [2025-03-17 15:13:46,969 INFO L226 Difference]: Without dead ends: 368 [2025-03-17 15:13:46,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:46,969 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 142 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:46,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 307 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:13:46,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-03-17 15:13:46,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 334. [2025-03-17 15:13:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 247 states have (on average 1.6153846153846154) internal successors, (399), 308 states have internal predecessors, (399), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:13:46,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 443 transitions. [2025-03-17 15:13:46,984 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 443 transitions. Word has length 47 [2025-03-17 15:13:46,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:46,984 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 443 transitions. [2025-03-17 15:13:46,985 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) [2025-03-17 15:13:46,985 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 443 transitions. [2025-03-17 15:13:46,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-17 15:13:46,985 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:46,985 INFO L218 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] [2025-03-17 15:13:46,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:47,185 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 [2025-03-17 15:13:47,186 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:47,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:47,186 INFO L85 PathProgramCache]: Analyzing trace with hash 61256990, now seen corresponding path program 1 times [2025-03-17 15:13:47,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:47,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999592264] [2025-03-17 15:13:47,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:47,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:47,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 15:13:47,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 15:13:47,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:47,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:47,257 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:13:47,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:47,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999592264] [2025-03-17 15:13:47,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999592264] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:13:47,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091205243] [2025-03-17 15:13:47,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:47,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:47,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:47,260 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) [2025-03-17 15:13:47,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-17 15:13:47,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 15:13:47,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 15:13:47,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:47,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:47,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:47,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:47,378 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:13:47,379 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:47,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091205243] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:47,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:13:47,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-03-17 15:13:47,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256512032] [2025-03-17 15:13:47,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:47,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:47,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:47,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:47,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:47,379 INFO L87 Difference]: Start difference. First operand 334 states and 443 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) [2025-03-17 15:13:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:47,682 INFO L93 Difference]: Finished difference Result 370 states and 455 transitions. [2025-03-17 15:13:47,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:47,683 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 [2025-03-17 15:13:47,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:47,684 INFO L225 Difference]: With dead ends: 370 [2025-03-17 15:13:47,684 INFO L226 Difference]: Without dead ends: 351 [2025-03-17 15:13:47,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:13:47,684 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 140 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:47,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 311 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:13:47,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2025-03-17 15:13:47,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 318. [2025-03-17 15:13:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6394849785407726) internal successors, (382), 294 states have internal predecessors, (382), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:13:47,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 424 transitions. [2025-03-17 15:13:47,695 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 424 transitions. Word has length 48 [2025-03-17 15:13:47,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:47,695 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 424 transitions. [2025-03-17 15:13:47,695 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) [2025-03-17 15:13:47,695 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 424 transitions. [2025-03-17 15:13:47,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-03-17 15:13:47,695 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:47,696 INFO L218 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] [2025-03-17 15:13:47,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:47,896 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 [2025-03-17 15:13:47,896 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:47,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:47,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1746333298, now seen corresponding path program 1 times [2025-03-17 15:13:47,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:47,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775849195] [2025-03-17 15:13:47,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:47,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:47,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 15:13:47,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 15:13:47,907 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:47,907 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:47,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [851995976] [2025-03-17 15:13:47,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:47,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:47,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:47,909 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) [2025-03-17 15:13:47,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-17 15:13:47,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-03-17 15:13:47,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-03-17 15:13:47,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:47,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:47,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:47,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-17 15:13:48,011 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:48,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:48,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775849195] [2025-03-17 15:13:48,011 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:48,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851995976] [2025-03-17 15:13:48,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851995976] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:48,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:48,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:13:48,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329232014] [2025-03-17 15:13:48,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:48,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:48,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:48,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:48,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:48,013 INFO L87 Difference]: Start difference. First operand 318 states and 424 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) [2025-03-17 15:13:48,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:48,177 INFO L93 Difference]: Finished difference Result 343 states and 445 transitions. [2025-03-17 15:13:48,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:48,177 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 [2025-03-17 15:13:48,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:48,179 INFO L225 Difference]: With dead ends: 343 [2025-03-17 15:13:48,179 INFO L226 Difference]: Without dead ends: 342 [2025-03-17 15:13:48,179 INFO L434 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 [2025-03-17 15:13:48,181 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 219 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:48,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 168 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:48,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2025-03-17 15:13:48,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 318. [2025-03-17 15:13:48,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6351931330472103) internal successors, (381), 294 states have internal predecessors, (381), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:13:48,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 423 transitions. [2025-03-17 15:13:48,191 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 423 transitions. Word has length 59 [2025-03-17 15:13:48,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:48,191 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 423 transitions. [2025-03-17 15:13:48,191 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) [2025-03-17 15:13:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 423 transitions. [2025-03-17 15:13:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-17 15:13:48,192 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:48,192 INFO L218 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] [2025-03-17 15:13:48,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-17 15:13:48,392 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 [2025-03-17 15:13:48,393 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:48,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:48,393 INFO L85 PathProgramCache]: Analyzing trace with hash -60553363, now seen corresponding path program 1 times [2025-03-17 15:13:48,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:48,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313610442] [2025-03-17 15:13:48,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:48,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:48,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 15:13:48,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 15:13:48,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:48,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:48,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1727020473] [2025-03-17 15:13:48,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:48,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:48,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:48,407 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) [2025-03-17 15:13:48,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-17 15:13:48,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 15:13:48,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 15:13:48,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:48,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:48,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:13:48,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:48,593 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:13:48,594 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:48,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:48,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313610442] [2025-03-17 15:13:48,594 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:48,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727020473] [2025-03-17 15:13:48,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727020473] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:48,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:48,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:13:48,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371454573] [2025-03-17 15:13:48,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:48,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:48,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:48,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:48,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:48,595 INFO L87 Difference]: Start difference. First operand 318 states and 423 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) [2025-03-17 15:13:48,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:48,815 INFO L93 Difference]: Finished difference Result 345 states and 444 transitions. [2025-03-17 15:13:48,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:48,815 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 [2025-03-17 15:13:48,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:48,816 INFO L225 Difference]: With dead ends: 345 [2025-03-17 15:13:48,816 INFO L226 Difference]: Without dead ends: 344 [2025-03-17 15:13:48,816 INFO L434 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 [2025-03-17 15:13:48,817 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 46 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:48,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 341 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:48,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-03-17 15:13:48,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 318. [2025-03-17 15:13:48,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6266094420600858) internal successors, (379), 294 states have internal predecessors, (379), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:13:48,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 421 transitions. [2025-03-17 15:13:48,828 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 421 transitions. Word has length 69 [2025-03-17 15:13:48,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:48,828 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 421 transitions. [2025-03-17 15:13:48,828 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) [2025-03-17 15:13:48,828 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 421 transitions. [2025-03-17 15:13:48,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-17 15:13:48,828 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:48,828 INFO L218 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] [2025-03-17 15:13:48,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-03-17 15:13:49,029 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 [2025-03-17 15:13:49,029 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:49,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:49,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1877154196, now seen corresponding path program 1 times [2025-03-17 15:13:49,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:49,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471232221] [2025-03-17 15:13:49,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:49,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:49,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-17 15:13:49,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-17 15:13:49,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:49,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:49,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [166758614] [2025-03-17 15:13:49,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:49,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:49,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:49,043 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) [2025-03-17 15:13:49,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-17 15:13:49,068 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-17 15:13:49,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-17 15:13:49,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:49,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:49,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:13:49,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:13:50,163 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:50,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:50,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471232221] [2025-03-17 15:13:50,164 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:50,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166758614] [2025-03-17 15:13:50,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166758614] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:50,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:50,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:13:50,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623558832] [2025-03-17 15:13:50,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:50,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:50,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:50,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:50,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-03-17 15:13:50,164 INFO L87 Difference]: Start difference. First operand 318 states and 421 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) [2025-03-17 15:13:53,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:53,148 INFO L93 Difference]: Finished difference Result 345 states and 442 transitions. [2025-03-17 15:13:53,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:53,149 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 [2025-03-17 15:13:53,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:53,150 INFO L225 Difference]: With dead ends: 345 [2025-03-17 15:13:53,150 INFO L226 Difference]: Without dead ends: 344 [2025-03-17 15:13:53,150 INFO L434 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 [2025-03-17 15:13:53,151 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 90 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:53,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 234 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 3 Unknown, 0 Unchecked, 3.0s Time] [2025-03-17 15:13:53,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-03-17 15:13:53,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 318. [2025-03-17 15:13:53,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6180257510729614) internal successors, (377), 294 states have internal predecessors, (377), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:13:53,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 419 transitions. [2025-03-17 15:13:53,174 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 419 transitions. Word has length 70 [2025-03-17 15:13:53,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:53,175 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 419 transitions. [2025-03-17 15:13:53,175 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) [2025-03-17 15:13:53,175 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 419 transitions. [2025-03-17 15:13:53,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-17 15:13:53,175 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:53,175 INFO L218 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] [2025-03-17 15:13:53,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:53,376 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 [2025-03-17 15:13:53,376 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:53,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:53,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1937762123, now seen corresponding path program 1 times [2025-03-17 15:13:53,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:53,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899064169] [2025-03-17 15:13:53,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:53,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:53,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 15:13:53,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 15:13:53,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:53,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:53,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1718257820] [2025-03-17 15:13:53,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:53,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:53,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:53,386 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) [2025-03-17 15:13:53,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-17 15:13:53,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 15:13:53,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 15:13:53,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:53,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:53,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:53,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:53,463 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:13:53,463 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:53,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:53,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899064169] [2025-03-17 15:13:53,464 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:53,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718257820] [2025-03-17 15:13:53,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718257820] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:53,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:53,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:13:53,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249005246] [2025-03-17 15:13:53,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:53,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:53,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:53,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:53,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:53,465 INFO L87 Difference]: Start difference. First operand 318 states and 419 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) [2025-03-17 15:13:53,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:53,722 INFO L93 Difference]: Finished difference Result 338 states and 430 transitions. [2025-03-17 15:13:53,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:53,723 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 [2025-03-17 15:13:53,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:53,724 INFO L225 Difference]: With dead ends: 338 [2025-03-17 15:13:53,724 INFO L226 Difference]: Without dead ends: 336 [2025-03-17 15:13:53,724 INFO L434 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 [2025-03-17 15:13:53,724 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 60 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:53,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 342 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:53,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-03-17 15:13:53,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 318. [2025-03-17 15:13:53,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.6008583690987124) internal successors, (373), 294 states have internal predecessors, (373), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:13:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 415 transitions. [2025-03-17 15:13:53,737 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 415 transitions. Word has length 71 [2025-03-17 15:13:53,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:53,737 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 415 transitions. [2025-03-17 15:13:53,737 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) [2025-03-17 15:13:53,738 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 415 transitions. [2025-03-17 15:13:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-17 15:13:53,738 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:53,738 INFO L218 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] [2025-03-17 15:13:53,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-17 15:13:53,938 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 [2025-03-17 15:13:53,939 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:53,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:53,939 INFO L85 PathProgramCache]: Analyzing trace with hash -58916278, now seen corresponding path program 1 times [2025-03-17 15:13:53,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:53,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982789212] [2025-03-17 15:13:53,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:53,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:53,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-17 15:13:53,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-17 15:13:53,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:53,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:53,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [674502312] [2025-03-17 15:13:53,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:53,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:53,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:53,950 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) [2025-03-17 15:13:53,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-17 15:13:53,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-17 15:13:53,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-17 15:13:53,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:53,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:53,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:13:53,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:54,047 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:13:54,047 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:13:54,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:54,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982789212] [2025-03-17 15:13:54,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:54,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674502312] [2025-03-17 15:13:54,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [674502312] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:13:54,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:13:54,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:13:54,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701099528] [2025-03-17 15:13:54,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:13:54,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:13:54,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:54,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:13:54,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:54,049 INFO L87 Difference]: Start difference. First operand 318 states and 415 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) [2025-03-17 15:13:54,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:54,252 INFO L93 Difference]: Finished difference Result 338 states and 426 transitions. [2025-03-17 15:13:54,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:13:54,253 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 [2025-03-17 15:13:54,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:54,254 INFO L225 Difference]: With dead ends: 338 [2025-03-17 15:13:54,254 INFO L226 Difference]: Without dead ends: 336 [2025-03-17 15:13:54,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:13:54,254 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 97 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:54,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 283 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:13:54,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-03-17 15:13:54,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 318. [2025-03-17 15:13:54,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.5836909871244635) internal successors, (369), 294 states have internal predecessors, (369), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:13:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 411 transitions. [2025-03-17 15:13:54,275 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 411 transitions. Word has length 72 [2025-03-17 15:13:54,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:54,275 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 411 transitions. [2025-03-17 15:13:54,275 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) [2025-03-17 15:13:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 411 transitions. [2025-03-17 15:13:54,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-17 15:13:54,275 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:54,275 INFO L218 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] [2025-03-17 15:13:54,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:54,476 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 [2025-03-17 15:13:54,476 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:54,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:54,476 INFO L85 PathProgramCache]: Analyzing trace with hash 880838373, now seen corresponding path program 1 times [2025-03-17 15:13:54,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:54,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6893573] [2025-03-17 15:13:54,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:54,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:54,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 15:13:54,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 15:13:54,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:54,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:54,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [40732042] [2025-03-17 15:13:54,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:54,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:54,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:54,488 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) [2025-03-17 15:13:54,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-17 15:13:54,515 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 15:13:54,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 15:13:54,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:54,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:54,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:13:54,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:54,641 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 15:13:54,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:13:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 15:13:54,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:54,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6893573] [2025-03-17 15:13:54,788 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:54,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [40732042] [2025-03-17 15:13:54,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [40732042] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:13:54,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:13:54,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-03-17 15:13:54,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354186692] [2025-03-17 15:13:54,788 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:13:54,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:13:54,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:54,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:13:54,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:13:54,789 INFO L87 Difference]: Start difference. First operand 318 states and 411 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) [2025-03-17 15:13:55,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:55,276 INFO L93 Difference]: Finished difference Result 339 states and 413 transitions. [2025-03-17 15:13:55,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:13:55,277 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 [2025-03-17 15:13:55,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:55,278 INFO L225 Difference]: With dead ends: 339 [2025-03-17 15:13:55,278 INFO L226 Difference]: Without dead ends: 338 [2025-03-17 15:13:55,278 INFO L434 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 [2025-03-17 15:13:55,278 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 287 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:55,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 603 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:13:55,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-03-17 15:13:55,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 318. [2025-03-17 15:13:55,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.5708154506437768) internal successors, (366), 294 states have internal predecessors, (366), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:13:55,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 408 transitions. [2025-03-17 15:13:55,287 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 408 transitions. Word has length 77 [2025-03-17 15:13:55,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:55,288 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 408 transitions. [2025-03-17 15:13:55,288 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) [2025-03-17 15:13:55,288 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 408 transitions. [2025-03-17 15:13:55,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-17 15:13:55,288 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:55,288 INFO L218 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] [2025-03-17 15:13:55,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-03-17 15:13:55,488 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 [2025-03-17 15:13:55,489 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:55,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:55,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1536185828, now seen corresponding path program 1 times [2025-03-17 15:13:55,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:55,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011034329] [2025-03-17 15:13:55,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:55,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:55,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 15:13:55,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 15:13:55,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:55,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:55,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1469602348] [2025-03-17 15:13:55,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:55,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:55,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:55,502 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) [2025-03-17 15:13:55,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-17 15:13:55,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 15:13:55,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 15:13:55,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:55,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:55,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:13:55,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:55,715 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 15:13:55,715 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:13:56,154 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 15:13:56,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:13:56,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011034329] [2025-03-17 15:13:56,155 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:13:56,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469602348] [2025-03-17 15:13:56,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469602348] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:13:56,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:13:56,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-03-17 15:13:56,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843988025] [2025-03-17 15:13:56,155 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:13:56,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:13:56,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:13:56,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:13:56,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:13:56,156 INFO L87 Difference]: Start difference. First operand 318 states and 408 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) [2025-03-17 15:13:56,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:13:56,927 INFO L93 Difference]: Finished difference Result 339 states and 410 transitions. [2025-03-17 15:13:56,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:13:56,927 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 [2025-03-17 15:13:56,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:13:56,928 INFO L225 Difference]: With dead ends: 339 [2025-03-17 15:13:56,928 INFO L226 Difference]: Without dead ends: 338 [2025-03-17 15:13:56,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 144 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:13:56,929 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 402 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 15:13:56,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 631 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 15:13:56,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-03-17 15:13:56,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 318. [2025-03-17 15:13:56,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.55793991416309) internal successors, (363), 294 states have internal predecessors, (363), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:13:56,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 405 transitions. [2025-03-17 15:13:56,938 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 405 transitions. Word has length 78 [2025-03-17 15:13:56,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:13:56,938 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 405 transitions. [2025-03-17 15:13:56,938 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) [2025-03-17 15:13:56,938 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 405 transitions. [2025-03-17 15:13:56,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 15:13:56,938 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:13:56,938 INFO L218 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] [2025-03-17 15:13:56,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-03-17 15:13:57,139 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 [2025-03-17 15:13:57,139 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:13:57,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:13:57,139 INFO L85 PathProgramCache]: Analyzing trace with hash 377120451, now seen corresponding path program 1 times [2025-03-17 15:13:57,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:13:57,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938948191] [2025-03-17 15:13:57,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:57,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:13:57,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 15:13:57,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 15:13:57,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:57,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:13:57,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [561874274] [2025-03-17 15:13:57,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:13:57,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:13:57,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:13:57,149 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) [2025-03-17 15:13:57,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-17 15:13:57,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 15:13:57,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 15:13:57,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:13:57,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:13:57,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:13:57,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:13:57,441 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 15:13:57,441 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:01,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:01,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938948191] [2025-03-17 15:14:01,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:01,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561874274] [2025-03-17 15:14:01,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561874274] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:01,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:01,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:14:01,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366770994] [2025-03-17 15:14:01,674 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:01,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:14:01,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:01,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:14:01,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-03-17 15:14:01,676 INFO L87 Difference]: Start difference. First operand 318 states and 405 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) [2025-03-17 15:14:02,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:02,075 INFO L93 Difference]: Finished difference Result 337 states and 416 transitions. [2025-03-17 15:14:02,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:14:02,076 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 [2025-03-17 15:14:02,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:02,077 INFO L225 Difference]: With dead ends: 337 [2025-03-17 15:14:02,077 INFO L226 Difference]: Without dead ends: 334 [2025-03-17 15:14:02,077 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-03-17 15:14:02,077 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 190 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:02,077 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 394 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:14:02,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2025-03-17 15:14:02,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 318. [2025-03-17 15:14:02,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.5321888412017168) internal successors, (357), 294 states have internal predecessors, (357), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:14:02,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 399 transitions. [2025-03-17 15:14:02,086 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 399 transitions. Word has length 79 [2025-03-17 15:14:02,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:02,086 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 399 transitions. [2025-03-17 15:14:02,086 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) [2025-03-17 15:14:02,086 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 399 transitions. [2025-03-17 15:14:02,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-17 15:14:02,086 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:02,086 INFO L218 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] [2025-03-17 15:14:02,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:02,286 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,SelfDestructingSolverStorable28 [2025-03-17 15:14:02,287 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:02,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:02,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1194167870, now seen corresponding path program 1 times [2025-03-17 15:14:02,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:02,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906535453] [2025-03-17 15:14:02,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:02,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:02,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 15:14:02,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 15:14:02,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:02,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:02,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [510661493] [2025-03-17 15:14:02,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:02,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:02,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:02,299 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) [2025-03-17 15:14:02,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-17 15:14:02,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 15:14:02,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 15:14:02,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:02,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:02,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-17 15:14:02,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-03-17 15:14:02,733 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:02,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:02,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906535453] [2025-03-17 15:14:02,798 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:02,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510661493] [2025-03-17 15:14:02,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510661493] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:02,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:02,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-17 15:14:02,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629436621] [2025-03-17 15:14:02,798 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:02,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:14:02,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:02,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:14:02,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:14:02,799 INFO L87 Difference]: Start difference. First operand 318 states and 399 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) [2025-03-17 15:14:03,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:03,207 INFO L93 Difference]: Finished difference Result 325 states and 400 transitions. [2025-03-17 15:14:03,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:14:03,208 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 [2025-03-17 15:14:03,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:03,209 INFO L225 Difference]: With dead ends: 325 [2025-03-17 15:14:03,209 INFO L226 Difference]: Without dead ends: 322 [2025-03-17 15:14:03,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:14:03,209 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 168 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:03,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 258 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:14:03,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2025-03-17 15:14:03,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 318. [2025-03-17 15:14:03,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 233 states have (on average 1.5064377682403434) internal successors, (351), 294 states have internal predecessors, (351), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:14:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 393 transitions. [2025-03-17 15:14:03,229 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 393 transitions. Word has length 80 [2025-03-17 15:14:03,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:03,229 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 393 transitions. [2025-03-17 15:14:03,229 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) [2025-03-17 15:14:03,229 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 393 transitions. [2025-03-17 15:14:03,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-17 15:14:03,230 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:03,230 INFO L218 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] [2025-03-17 15:14:03,236 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:03,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:03,434 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:03,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:03,435 INFO L85 PathProgramCache]: Analyzing trace with hash 726640313, now seen corresponding path program 1 times [2025-03-17 15:14:03,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:03,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398549761] [2025-03-17 15:14:03,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:03,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:03,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 15:14:03,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 15:14:03,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:03,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:03,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:03,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398549761] [2025-03-17 15:14:03,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398549761] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:03,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:03,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:14:03,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839016218] [2025-03-17 15:14:03,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:03,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:14:03,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:03,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:14:03,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:14:03,464 INFO L87 Difference]: Start difference. First operand 318 states and 393 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) [2025-03-17 15:14:03,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:03,514 INFO L93 Difference]: Finished difference Result 318 states and 393 transitions. [2025-03-17 15:14:03,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:14:03,514 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 [2025-03-17 15:14:03,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:03,515 INFO L225 Difference]: With dead ends: 318 [2025-03-17 15:14:03,515 INFO L226 Difference]: Without dead ends: 317 [2025-03-17 15:14:03,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:14:03,516 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 1 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:03,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 293 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:14:03,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2025-03-17 15:14:03,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2025-03-17 15:14:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 233 states have (on average 1.4892703862660943) internal successors, (347), 293 states have internal predecessors, (347), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:14:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 389 transitions. [2025-03-17 15:14:03,525 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 389 transitions. Word has length 93 [2025-03-17 15:14:03,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:03,527 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 389 transitions. [2025-03-17 15:14:03,528 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) [2025-03-17 15:14:03,528 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 389 transitions. [2025-03-17 15:14:03,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-17 15:14:03,528 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:03,528 INFO L218 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] [2025-03-17 15:14:03,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2025-03-17 15:14:03,528 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:03,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:03,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1051013241, now seen corresponding path program 1 times [2025-03-17 15:14:03,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:03,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074024206] [2025-03-17 15:14:03,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:03,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:03,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 15:14:03,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 15:14:03,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:03,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:03,580 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:03,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:03,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074024206] [2025-03-17 15:14:03,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074024206] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:03,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:03,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:14:03,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400552854] [2025-03-17 15:14:03,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:03,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:14:03,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:03,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:14:03,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:03,582 INFO L87 Difference]: Start difference. First operand 317 states and 389 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) [2025-03-17 15:14:03,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:03,941 INFO L93 Difference]: Finished difference Result 325 states and 393 transitions. [2025-03-17 15:14:03,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:14:03,942 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 [2025-03-17 15:14:03,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:03,943 INFO L225 Difference]: With dead ends: 325 [2025-03-17 15:14:03,943 INFO L226 Difference]: Without dead ends: 324 [2025-03-17 15:14:03,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:14:03,943 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 273 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:03,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 223 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:14:03,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2025-03-17 15:14:03,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 317. [2025-03-17 15:14:03,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 233 states have (on average 1.4849785407725322) internal successors, (346), 293 states have internal predecessors, (346), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:14:03,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 388 transitions. [2025-03-17 15:14:03,954 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 388 transitions. Word has length 94 [2025-03-17 15:14:03,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:03,954 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 388 transitions. [2025-03-17 15:14:03,954 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) [2025-03-17 15:14:03,954 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 388 transitions. [2025-03-17 15:14:03,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 15:14:03,955 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:03,955 INFO L218 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] [2025-03-17 15:14:03,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-03-17 15:14:03,955 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:03,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:03,955 INFO L85 PathProgramCache]: Analyzing trace with hash 705271542, now seen corresponding path program 1 times [2025-03-17 15:14:03,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:03,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696339324] [2025-03-17 15:14:03,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:03,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:03,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 15:14:03,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 15:14:03,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:03,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:04,035 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:04,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:04,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696339324] [2025-03-17 15:14:04,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696339324] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:04,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:04,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:14:04,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426011622] [2025-03-17 15:14:04,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:04,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:14:04,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:04,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:14:04,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:04,037 INFO L87 Difference]: Start difference. First operand 317 states and 388 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) [2025-03-17 15:14:04,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:04,332 INFO L93 Difference]: Finished difference Result 333 states and 399 transitions. [2025-03-17 15:14:04,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:14:04,332 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 [2025-03-17 15:14:04,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:04,333 INFO L225 Difference]: With dead ends: 333 [2025-03-17 15:14:04,333 INFO L226 Difference]: Without dead ends: 332 [2025-03-17 15:14:04,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:04,334 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 15 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:04,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 534 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:14:04,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-03-17 15:14:04,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 322. [2025-03-17 15:14:04,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 238 states have (on average 1.4747899159663866) internal successors, (351), 298 states have internal predecessors, (351), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:14:04,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 393 transitions. [2025-03-17 15:14:04,353 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 393 transitions. Word has length 96 [2025-03-17 15:14:04,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:04,353 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 393 transitions. [2025-03-17 15:14:04,353 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) [2025-03-17 15:14:04,353 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 393 transitions. [2025-03-17 15:14:04,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-17 15:14:04,353 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:04,353 INFO L218 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] [2025-03-17 15:14:04,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2025-03-17 15:14:04,353 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:04,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:04,354 INFO L85 PathProgramCache]: Analyzing trace with hash 388581327, now seen corresponding path program 1 times [2025-03-17 15:14:04,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:04,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476675672] [2025-03-17 15:14:04,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:04,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:04,358 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-17 15:14:04,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-17 15:14:04,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:04,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:04,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877808605] [2025-03-17 15:14:04,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:04,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:04,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:04,368 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) [2025-03-17 15:14:04,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-17 15:14:04,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-17 15:14:04,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-17 15:14:04,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:04,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:04,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:14:04,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:04,542 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:04,543 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:14:04,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:04,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476675672] [2025-03-17 15:14:04,543 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:04,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877808605] [2025-03-17 15:14:04,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877808605] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:04,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:04,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:14:04,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127371228] [2025-03-17 15:14:04,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:04,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:14:04,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:04,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:14:04,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:14:04,544 INFO L87 Difference]: Start difference. First operand 322 states and 393 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) [2025-03-17 15:14:04,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:04,686 INFO L93 Difference]: Finished difference Result 333 states and 397 transitions. [2025-03-17 15:14:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:14:04,687 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 [2025-03-17 15:14:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:04,688 INFO L225 Difference]: With dead ends: 333 [2025-03-17 15:14:04,688 INFO L226 Difference]: Without dead ends: 332 [2025-03-17 15:14:04,688 INFO L434 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 [2025-03-17 15:14:04,688 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 17 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:04,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 323 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:14:04,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-03-17 15:14:04,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 324. [2025-03-17 15:14:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 240 states have (on average 1.4708333333333334) internal successors, (353), 300 states have internal predecessors, (353), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:14:04,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 395 transitions. [2025-03-17 15:14:04,701 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 395 transitions. Word has length 97 [2025-03-17 15:14:04,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:04,701 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 395 transitions. [2025-03-17 15:14:04,701 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) [2025-03-17 15:14:04,701 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 395 transitions. [2025-03-17 15:14:04,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-17 15:14:04,702 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:04,702 INFO L218 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] [2025-03-17 15:14:04,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:04,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:04,905 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:04,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:04,905 INFO L85 PathProgramCache]: Analyzing trace with hash -662920367, now seen corresponding path program 1 times [2025-03-17 15:14:04,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:04,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200607841] [2025-03-17 15:14:04,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:04,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:04,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 15:14:04,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 15:14:04,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:04,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:04,964 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:04,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:04,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200607841] [2025-03-17 15:14:04,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200607841] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:04,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802869098] [2025-03-17 15:14:04,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:04,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:04,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:04,967 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) [2025-03-17 15:14:04,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-17 15:14:04,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 15:14:05,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 15:14:05,010 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:05,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:05,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:14:05,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:05,079 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:05,079 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:05,170 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:05,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802869098] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:14:05,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:14:05,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2025-03-17 15:14:05,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824725253] [2025-03-17 15:14:05,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:05,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:14:05,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:05,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:14:05,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:14:05,171 INFO L87 Difference]: Start difference. First operand 324 states and 395 transitions. Second operand has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-17 15:14:05,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:05,370 INFO L93 Difference]: Finished difference Result 819 states and 965 transitions. [2025-03-17 15:14:05,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-17 15:14:05,370 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 99 [2025-03-17 15:14:05,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:05,372 INFO L225 Difference]: With dead ends: 819 [2025-03-17 15:14:05,372 INFO L226 Difference]: Without dead ends: 617 [2025-03-17 15:14:05,373 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2025-03-17 15:14:05,373 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 318 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 952 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:05,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 952 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:14:05,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2025-03-17 15:14:05,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 516. [2025-03-17 15:14:05,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 415 states have (on average 1.4313253012048193) internal successors, (594), 476 states have internal predecessors, (594), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 15:14:05,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 662 transitions. [2025-03-17 15:14:05,391 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 662 transitions. Word has length 99 [2025-03-17 15:14:05,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:05,391 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 662 transitions. [2025-03-17 15:14:05,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.0) internal successors, (130), 14 states have internal predecessors, (130), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-17 15:14:05,391 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 662 transitions. [2025-03-17 15:14:05,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-03-17 15:14:05,393 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:05,393 INFO L218 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] [2025-03-17 15:14:05,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:05,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:05,595 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:05,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:05,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1289452850, now seen corresponding path program 1 times [2025-03-17 15:14:05,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:05,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5281033] [2025-03-17 15:14:05,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:05,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:05,599 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-03-17 15:14:05,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-03-17 15:14:05,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:05,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:05,675 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:05,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:05,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5281033] [2025-03-17 15:14:05,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5281033] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:05,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:05,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:14:05,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856960442] [2025-03-17 15:14:05,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:05,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:14:05,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:05,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:14:05,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:05,676 INFO L87 Difference]: Start difference. First operand 516 states and 662 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) [2025-03-17 15:14:06,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:06,023 INFO L93 Difference]: Finished difference Result 531 states and 670 transitions. [2025-03-17 15:14:06,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:14:06,024 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 [2025-03-17 15:14:06,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:06,026 INFO L225 Difference]: With dead ends: 531 [2025-03-17 15:14:06,026 INFO L226 Difference]: Without dead ends: 530 [2025-03-17 15:14:06,026 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:06,026 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 17 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:06,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 537 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:14:06,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2025-03-17 15:14:06,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 519. [2025-03-17 15:14:06,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 418 states have (on average 1.430622009569378) internal successors, (598), 479 states have internal predecessors, (598), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 15:14:06,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 666 transitions. [2025-03-17 15:14:06,044 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 666 transitions. Word has length 100 [2025-03-17 15:14:06,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:06,044 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 666 transitions. [2025-03-17 15:14:06,047 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) [2025-03-17 15:14:06,048 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 666 transitions. [2025-03-17 15:14:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 15:14:06,048 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:06,048 INFO L218 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] [2025-03-17 15:14:06,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2025-03-17 15:14:06,048 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:06,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:06,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1318332683, now seen corresponding path program 1 times [2025-03-17 15:14:06,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:06,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614484790] [2025-03-17 15:14:06,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:06,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:06,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 15:14:06,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 15:14:06,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:06,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:06,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1756880132] [2025-03-17 15:14:06,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:06,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:06,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:06,066 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) [2025-03-17 15:14:06,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-17 15:14:06,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 15:14:06,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 15:14:06,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:06,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:06,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:14:06,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:06,231 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:14:06,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:06,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614484790] [2025-03-17 15:14:06,231 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:06,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756880132] [2025-03-17 15:14:06,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756880132] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:06,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:06,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:14:06,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805715044] [2025-03-17 15:14:06,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:06,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:14:06,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:06,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:14:06,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:06,233 INFO L87 Difference]: Start difference. First operand 519 states and 666 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) [2025-03-17 15:14:06,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:06,353 INFO L93 Difference]: Finished difference Result 530 states and 669 transitions. [2025-03-17 15:14:06,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:14:06,354 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 [2025-03-17 15:14:06,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:06,355 INFO L225 Difference]: With dead ends: 530 [2025-03-17 15:14:06,355 INFO L226 Difference]: Without dead ends: 529 [2025-03-17 15:14:06,355 INFO L434 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 [2025-03-17 15:14:06,356 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 68 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:06,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 462 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:14:06,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2025-03-17 15:14:06,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 521. [2025-03-17 15:14:06,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 420 states have (on average 1.4285714285714286) internal successors, (600), 481 states have internal predecessors, (600), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 15:14:06,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 668 transitions. [2025-03-17 15:14:06,373 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 668 transitions. Word has length 101 [2025-03-17 15:14:06,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:06,373 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 668 transitions. [2025-03-17 15:14:06,373 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) [2025-03-17 15:14:06,374 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 668 transitions. [2025-03-17 15:14:06,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 15:14:06,375 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:06,375 INFO L218 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] [2025-03-17 15:14:06,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-03-17 15:14:06,575 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 [2025-03-17 15:14:06,575 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:06,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:06,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1411309681, now seen corresponding path program 1 times [2025-03-17 15:14:06,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:06,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822701509] [2025-03-17 15:14:06,576 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:06,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:06,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 15:14:06,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 15:14:06,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:06,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:06,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [80329880] [2025-03-17 15:14:06,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:06,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:06,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:06,588 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) [2025-03-17 15:14:06,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-17 15:14:06,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-03-17 15:14:06,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 15:14:06,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:06,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:06,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:14:06,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:06,781 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:06,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:06,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:06,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822701509] [2025-03-17 15:14:06,840 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:06,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80329880] [2025-03-17 15:14:06,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80329880] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:06,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:06,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:14:06,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033751996] [2025-03-17 15:14:06,840 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:06,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:14:06,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:06,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:14:06,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:14:06,840 INFO L87 Difference]: Start difference. First operand 521 states and 668 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) [2025-03-17 15:14:07,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:07,145 INFO L93 Difference]: Finished difference Result 525 states and 668 transitions. [2025-03-17 15:14:07,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:14:07,146 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 [2025-03-17 15:14:07,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:07,147 INFO L225 Difference]: With dead ends: 525 [2025-03-17 15:14:07,147 INFO L226 Difference]: Without dead ends: 523 [2025-03-17 15:14:07,148 INFO L434 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 [2025-03-17 15:14:07,148 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 218 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:07,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 532 Invalid, 572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:14:07,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2025-03-17 15:14:07,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 521. [2025-03-17 15:14:07,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 420 states have (on average 1.4142857142857144) internal successors, (594), 481 states have internal predecessors, (594), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 15:14:07,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 662 transitions. [2025-03-17 15:14:07,163 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 662 transitions. Word has length 101 [2025-03-17 15:14:07,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:07,164 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 662 transitions. [2025-03-17 15:14:07,164 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) [2025-03-17 15:14:07,164 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 662 transitions. [2025-03-17 15:14:07,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-17 15:14:07,164 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:07,164 INFO L218 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] [2025-03-17 15:14:07,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:07,365 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,SelfDestructingSolverStorable37 [2025-03-17 15:14:07,365 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:07,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:07,365 INFO L85 PathProgramCache]: Analyzing trace with hash -800927055, now seen corresponding path program 1 times [2025-03-17 15:14:07,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:07,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273199106] [2025-03-17 15:14:07,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:07,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:07,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 15:14:07,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 15:14:07,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:07,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:07,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [430486511] [2025-03-17 15:14:07,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:07,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:07,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:07,384 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) [2025-03-17 15:14:07,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-17 15:14:07,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 15:14:07,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 15:14:07,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:07,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:07,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-17 15:14:07,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:07,642 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:07,643 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:07,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:07,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273199106] [2025-03-17 15:14:07,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:07,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430486511] [2025-03-17 15:14:07,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430486511] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:07,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:07,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:14:07,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893211658] [2025-03-17 15:14:07,774 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:07,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:14:07,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:07,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:14:07,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:14:07,774 INFO L87 Difference]: Start difference. First operand 521 states and 662 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) [2025-03-17 15:14:08,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:08,081 INFO L93 Difference]: Finished difference Result 525 states and 662 transitions. [2025-03-17 15:14:08,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:14:08,081 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 [2025-03-17 15:14:08,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:08,082 INFO L225 Difference]: With dead ends: 525 [2025-03-17 15:14:08,082 INFO L226 Difference]: Without dead ends: 523 [2025-03-17 15:14:08,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:14:08,083 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 349 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:08,083 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 422 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:14:08,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2025-03-17 15:14:08,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 521. [2025-03-17 15:14:08,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 420 states have (on average 1.4095238095238096) internal successors, (592), 481 states have internal predecessors, (592), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 15:14:08,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 660 transitions. [2025-03-17 15:14:08,098 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 660 transitions. Word has length 102 [2025-03-17 15:14:08,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:08,099 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 660 transitions. [2025-03-17 15:14:08,099 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) [2025-03-17 15:14:08,099 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 660 transitions. [2025-03-17 15:14:08,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-17 15:14:08,099 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:08,099 INFO L218 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] [2025-03-17 15:14:08,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-03-17 15:14:08,303 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,SelfDestructingSolverStorable38 [2025-03-17 15:14:08,304 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:08,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:08,304 INFO L85 PathProgramCache]: Analyzing trace with hash 941065165, now seen corresponding path program 1 times [2025-03-17 15:14:08,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:08,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450007682] [2025-03-17 15:14:08,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:08,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:08,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 15:14:08,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 15:14:08,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:08,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:08,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:08,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450007682] [2025-03-17 15:14:08,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450007682] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:14:08,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:14:08,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:14:08,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981370994] [2025-03-17 15:14:08,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:08,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:14:08,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:08,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:14:08,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:14:08,345 INFO L87 Difference]: Start difference. First operand 521 states and 660 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) [2025-03-17 15:14:08,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:08,607 INFO L93 Difference]: Finished difference Result 556 states and 663 transitions. [2025-03-17 15:14:08,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:14:08,608 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 [2025-03-17 15:14:08,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:08,610 INFO L225 Difference]: With dead ends: 556 [2025-03-17 15:14:08,610 INFO L226 Difference]: Without dead ends: 555 [2025-03-17 15:14:08,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:14:08,610 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 135 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:08,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 588 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:14:08,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2025-03-17 15:14:08,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 521. [2025-03-17 15:14:08,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 420 states have (on average 1.4) internal successors, (588), 481 states have internal predecessors, (588), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 15:14:08,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 656 transitions. [2025-03-17 15:14:08,628 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 656 transitions. Word has length 103 [2025-03-17 15:14:08,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:08,628 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 656 transitions. [2025-03-17 15:14:08,628 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) [2025-03-17 15:14:08,628 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 656 transitions. [2025-03-17 15:14:08,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-17 15:14:08,629 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:08,629 INFO L218 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] [2025-03-17 15:14:08,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-03-17 15:14:08,629 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)] === [2025-03-17 15:14:08,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:08,629 INFO L85 PathProgramCache]: Analyzing trace with hash -891750865, now seen corresponding path program 1 times [2025-03-17 15:14:08,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:08,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946952883] [2025-03-17 15:14:08,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:08,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:08,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-17 15:14:08,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-17 15:14:08,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:08,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:08,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [494230547] [2025-03-17 15:14:08,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:08,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:08,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:08,644 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) [2025-03-17 15:14:08,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-17 15:14:08,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-17 15:14:08,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-17 15:14:08,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:08,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:08,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-17 15:14:08,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:08,851 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:08,980 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-03-17 15:14:08,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:08,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946952883] [2025-03-17 15:14:08,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:08,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494230547] [2025-03-17 15:14:08,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494230547] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:08,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:08,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2025-03-17 15:14:08,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480637612] [2025-03-17 15:14:08,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:14:08,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:14:08,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:08,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:14:08,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:14:08,981 INFO L87 Difference]: Start difference. First operand 521 states and 656 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) [2025-03-17 15:14:09,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:09,373 INFO L93 Difference]: Finished difference Result 528 states and 657 transitions. [2025-03-17 15:14:09,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:14:09,374 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 [2025-03-17 15:14:09,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:09,375 INFO L225 Difference]: With dead ends: 528 [2025-03-17 15:14:09,375 INFO L226 Difference]: Without dead ends: 527 [2025-03-17 15:14:09,375 INFO L434 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 [2025-03-17 15:14:09,378 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 250 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:09,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 314 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:14:09,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2025-03-17 15:14:09,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 521. [2025-03-17 15:14:09,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 420 states have (on average 1.3904761904761904) internal successors, (584), 481 states have internal predecessors, (584), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 15:14:09,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 652 transitions. [2025-03-17 15:14:09,404 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 652 transitions. Word has length 104 [2025-03-17 15:14:09,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:09,404 INFO L471 AbstractCegarLoop]: Abstraction has 521 states and 652 transitions. [2025-03-17 15:14:09,404 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) [2025-03-17 15:14:09,404 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 652 transitions. [2025-03-17 15:14:09,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-03-17 15:14:09,404 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:09,404 INFO L218 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] [2025-03-17 15:14:09,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:09,605 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 [2025-03-17 15:14:09,605 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:09,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:09,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1105719309, now seen corresponding path program 1 times [2025-03-17 15:14:09,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:09,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790607343] [2025-03-17 15:14:09,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:09,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:09,610 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-17 15:14:09,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-17 15:14:09,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:09,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:09,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:09,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790607343] [2025-03-17 15:14:09,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790607343] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:09,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925817997] [2025-03-17 15:14:09,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:09,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:09,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:09,673 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) [2025-03-17 15:14:09,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-17 15:14:09,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-03-17 15:14:09,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-03-17 15:14:09,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:09,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:09,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:14:09,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:09,800 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:09,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:09,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925817997] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:14:09,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:14:09,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2025-03-17 15:14:09,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446900356] [2025-03-17 15:14:09,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:09,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:14:09,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:09,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:14:09,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:14:09,923 INFO L87 Difference]: Start difference. First operand 521 states and 652 transitions. Second operand has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-17 15:14:10,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:10,054 INFO L93 Difference]: Finished difference Result 873 states and 1063 transitions. [2025-03-17 15:14:10,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 15:14:10,054 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 106 [2025-03-17 15:14:10,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:10,056 INFO L225 Difference]: With dead ends: 873 [2025-03-17 15:14:10,056 INFO L226 Difference]: Without dead ends: 665 [2025-03-17 15:14:10,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2025-03-17 15:14:10,057 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 125 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:10,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1143 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:14:10,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2025-03-17 15:14:10,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 588. [2025-03-17 15:14:10,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 482 states have (on average 1.4211618257261411) internal successors, (685), 543 states have internal predecessors, (685), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-17 15:14:10,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 761 transitions. [2025-03-17 15:14:10,077 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 761 transitions. Word has length 106 [2025-03-17 15:14:10,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:10,077 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 761 transitions. [2025-03-17 15:14:10,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.214285714285714) internal successors, (143), 14 states have internal predecessors, (143), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-17 15:14:10,078 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 761 transitions. [2025-03-17 15:14:10,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-17 15:14:10,078 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:10,078 INFO L218 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] [2025-03-17 15:14:10,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:10,282 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 [2025-03-17 15:14:10,282 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:10,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:10,282 INFO L85 PathProgramCache]: Analyzing trace with hash 82442357, now seen corresponding path program 1 times [2025-03-17 15:14:10,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:10,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917362580] [2025-03-17 15:14:10,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:10,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:10,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 15:14:10,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 15:14:10,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:10,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:10,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:10,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917362580] [2025-03-17 15:14:10,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917362580] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:10,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994784970] [2025-03-17 15:14:10,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:10,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:10,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:10,365 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) [2025-03-17 15:14:10,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-17 15:14:10,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-17 15:14:10,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-17 15:14:10,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:10,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:10,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:14:10,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:10,462 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:10,462 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:10,548 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:10,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994784970] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:14:10,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:14:10,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2025-03-17 15:14:10,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869932235] [2025-03-17 15:14:10,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:10,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:14:10,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:10,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:14:10,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:14:10,549 INFO L87 Difference]: Start difference. First operand 588 states and 761 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) [2025-03-17 15:14:11,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:11,198 INFO L93 Difference]: Finished difference Result 1224 states and 1513 transitions. [2025-03-17 15:14:11,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 15:14:11,199 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 [2025-03-17 15:14:11,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:11,201 INFO L225 Difference]: With dead ends: 1224 [2025-03-17 15:14:11,202 INFO L226 Difference]: Without dead ends: 1184 [2025-03-17 15:14:11,202 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 209 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:14:11,203 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 827 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 1143 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:11,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 1143 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1046 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:14:11,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2025-03-17 15:14:11,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 832. [2025-03-17 15:14:11,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 710 states have (on average 1.532394366197183) internal successors, (1088), 771 states have internal predecessors, (1088), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54) [2025-03-17 15:14:11,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1196 transitions. [2025-03-17 15:14:11,236 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1196 transitions. Word has length 107 [2025-03-17 15:14:11,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:11,237 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1196 transitions. [2025-03-17 15:14:11,237 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) [2025-03-17 15:14:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1196 transitions. [2025-03-17 15:14:11,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-03-17 15:14:11,239 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:11,240 INFO L218 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] [2025-03-17 15:14:11,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-03-17 15:14:11,440 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 [2025-03-17 15:14:11,440 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:11,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:11,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1616681316, now seen corresponding path program 1 times [2025-03-17 15:14:11,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:11,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210061634] [2025-03-17 15:14:11,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:11,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:11,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 15:14:11,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 15:14:11,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:11,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:11,563 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:14:11,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:11,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210061634] [2025-03-17 15:14:11,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210061634] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:11,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071311474] [2025-03-17 15:14:11,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:11,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:11,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:11,565 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) [2025-03-17 15:14:11,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-17 15:14:11,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-03-17 15:14:11,610 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-03-17 15:14:11,610 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:11,610 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:11,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:14:11,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:11,722 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:11,722 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:11,843 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:11,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071311474] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:14:11,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:14:11,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 18 [2025-03-17 15:14:11,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769156768] [2025-03-17 15:14:11,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:11,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-17 15:14:11,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:11,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-17 15:14:11,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:14:11,844 INFO L87 Difference]: Start difference. First operand 832 states and 1196 transitions. Second operand has 19 states, 18 states have (on average 12.666666666666666) internal successors, (228), 18 states have internal predecessors, (228), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 7 states have call predecessors, (24), 8 states have call successors, (24) [2025-03-17 15:14:15,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:15,258 INFO L93 Difference]: Finished difference Result 2756 states and 3480 transitions. [2025-03-17 15:14:15,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-03-17 15:14:15,258 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 12.666666666666666) internal successors, (228), 18 states have internal predecessors, (228), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 7 states have call predecessors, (24), 8 states have call successors, (24) Word has length 113 [2025-03-17 15:14:15,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:15,264 INFO L225 Difference]: With dead ends: 2756 [2025-03-17 15:14:15,264 INFO L226 Difference]: Without dead ends: 2755 [2025-03-17 15:14:15,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3024 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1565, Invalid=6807, Unknown=0, NotChecked=0, Total=8372 [2025-03-17 15:14:15,266 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 4123 mSDsluCounter, 1598 mSDsCounter, 0 mSdLazyCounter, 3694 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4123 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 3917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 3694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:15,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4123 Valid, 1754 Invalid, 3917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 3694 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-03-17 15:14:15,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2025-03-17 15:14:15,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 1306. [2025-03-17 15:14:15,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1306 states, 1152 states have (on average 1.6267361111111112) internal successors, (1874), 1213 states have internal predecessors, (1874), 86 states have call successors, (86), 7 states have call predecessors, (86), 7 states have return successors, (86), 85 states have call predecessors, (86), 86 states have call successors, (86) [2025-03-17 15:14:15,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1306 states and 2046 transitions. [2025-03-17 15:14:15,322 INFO L78 Accepts]: Start accepts. Automaton has 1306 states and 2046 transitions. Word has length 113 [2025-03-17 15:14:15,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:15,322 INFO L471 AbstractCegarLoop]: Abstraction has 1306 states and 2046 transitions. [2025-03-17 15:14:15,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 12.666666666666666) internal successors, (228), 18 states have internal predecessors, (228), 8 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 7 states have call predecessors, (24), 8 states have call successors, (24) [2025-03-17 15:14:15,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 2046 transitions. [2025-03-17 15:14:15,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-17 15:14:15,324 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:15,324 INFO L218 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] [2025-03-17 15:14:15,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:15,525 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 [2025-03-17 15:14:15,525 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:15,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:15,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1422486848, now seen corresponding path program 1 times [2025-03-17 15:14:15,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:15,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529009501] [2025-03-17 15:14:15,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:15,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:15,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-17 15:14:15,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-17 15:14:15,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:15,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:15,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [423959517] [2025-03-17 15:14:15,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:15,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:15,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:15,541 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) [2025-03-17 15:14:15,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-17 15:14:15,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-17 15:14:15,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-17 15:14:15,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:15,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:15,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:14:15,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:15,677 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:15,677 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:15,770 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:14:15,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:15,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529009501] [2025-03-17 15:14:15,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:15,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423959517] [2025-03-17 15:14:15,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423959517] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:14:15,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:14:15,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-17 15:14:15,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670718318] [2025-03-17 15:14:15,770 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:15,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:14:15,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:15,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:14:15,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:14:15,771 INFO L87 Difference]: Start difference. First operand 1306 states and 2046 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) [2025-03-17 15:14:20,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-03-17 15:14:20,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:20,373 INFO L93 Difference]: Finished difference Result 1884 states and 2907 transitions. [2025-03-17 15:14:20,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:14:20,374 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 [2025-03-17 15:14:20,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:20,378 INFO L225 Difference]: With dead ends: 1884 [2025-03-17 15:14:20,378 INFO L226 Difference]: Without dead ends: 1883 [2025-03-17 15:14:20,379 INFO L434 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 [2025-03-17 15:14:20,379 INFO L435 NwaCegarLoop]: 207 mSDtfsCounter, 768 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 769 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:20,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [769 Valid, 812 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 895 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2025-03-17 15:14:20,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1883 states. [2025-03-17 15:14:20,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1883 to 1542. [2025-03-17 15:14:20,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1542 states, 1372 states have (on average 1.6443148688046647) internal successors, (2256), 1433 states have internal predecessors, (2256), 102 states have call successors, (102), 7 states have call predecessors, (102), 7 states have return successors, (102), 101 states have call predecessors, (102), 102 states have call successors, (102) [2025-03-17 15:14:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1542 states and 2460 transitions. [2025-03-17 15:14:20,428 INFO L78 Accepts]: Start accepts. Automaton has 1542 states and 2460 transitions. Word has length 114 [2025-03-17 15:14:20,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:20,428 INFO L471 AbstractCegarLoop]: Abstraction has 1542 states and 2460 transitions. [2025-03-17 15:14:20,428 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) [2025-03-17 15:14:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 2460 transitions. [2025-03-17 15:14:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-03-17 15:14:20,428 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:20,428 INFO L218 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] [2025-03-17 15:14:20,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:20,629 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 [2025-03-17 15:14:20,629 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:20,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:20,629 INFO L85 PathProgramCache]: Analyzing trace with hash 669823573, now seen corresponding path program 1 times [2025-03-17 15:14:20,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:20,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48550789] [2025-03-17 15:14:20,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:20,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:20,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-17 15:14:20,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-17 15:14:20,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:20,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:20,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2097812413] [2025-03-17 15:14:20,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:20,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:20,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:20,641 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) [2025-03-17 15:14:20,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-03-17 15:14:20,669 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-17 15:14:20,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-17 15:14:20,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:20,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:20,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:14:20,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:21,042 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 15:14:21,042 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:21,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:21,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48550789] [2025-03-17 15:14:21,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:21,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097812413] [2025-03-17 15:14:21,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097812413] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:21,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:21,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-17 15:14:21,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660907502] [2025-03-17 15:14:21,126 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:21,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:14:21,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:21,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:14:21,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:14:21,126 INFO L87 Difference]: Start difference. First operand 1542 states and 2460 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) [2025-03-17 15:14:21,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:21,736 INFO L93 Difference]: Finished difference Result 1623 states and 2560 transitions. [2025-03-17 15:14:21,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:14:21,737 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 [2025-03-17 15:14:21,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:21,742 INFO L225 Difference]: With dead ends: 1623 [2025-03-17 15:14:21,742 INFO L226 Difference]: Without dead ends: 1622 [2025-03-17 15:14:21,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:14:21,742 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 455 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:21,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 599 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:14:21,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2025-03-17 15:14:21,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1591. [2025-03-17 15:14:21,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1417 states have (on average 1.6492589978828511) internal successors, (2337), 1478 states have internal predecessors, (2337), 106 states have call successors, (106), 7 states have call predecessors, (106), 7 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2025-03-17 15:14:21,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2549 transitions. [2025-03-17 15:14:21,794 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2549 transitions. Word has length 120 [2025-03-17 15:14:21,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:21,794 INFO L471 AbstractCegarLoop]: Abstraction has 1591 states and 2549 transitions. [2025-03-17 15:14:21,794 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) [2025-03-17 15:14:21,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2549 transitions. [2025-03-17 15:14:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-17 15:14:21,795 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:21,795 INFO L218 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] [2025-03-17 15:14:21,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-03-17 15:14:21,995 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 [2025-03-17 15:14:21,996 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:21,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:21,996 INFO L85 PathProgramCache]: Analyzing trace with hash -710305630, now seen corresponding path program 1 times [2025-03-17 15:14:21,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:21,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16372820] [2025-03-17 15:14:21,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:21,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:22,000 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 15:14:22,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 15:14:22,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:22,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:22,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [269711797] [2025-03-17 15:14:22,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:22,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:22,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:22,014 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) [2025-03-17 15:14:22,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-03-17 15:14:22,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 15:14:22,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 15:14:22,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:22,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:22,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:14:22,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:22,442 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 15:14:22,442 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:22,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:22,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16372820] [2025-03-17 15:14:22,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:22,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269711797] [2025-03-17 15:14:22,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269711797] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:22,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:22,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-17 15:14:22,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858343102] [2025-03-17 15:14:22,655 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:22,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:14:22,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:22,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:14:22,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:14:22,656 INFO L87 Difference]: Start difference. First operand 1591 states and 2549 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) [2025-03-17 15:14:23,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:23,221 INFO L93 Difference]: Finished difference Result 1623 states and 2558 transitions. [2025-03-17 15:14:23,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:14:23,222 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 [2025-03-17 15:14:23,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:23,225 INFO L225 Difference]: With dead ends: 1623 [2025-03-17 15:14:23,225 INFO L226 Difference]: Without dead ends: 1622 [2025-03-17 15:14:23,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=260, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:14:23,226 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 454 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:23,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 599 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:14:23,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2025-03-17 15:14:23,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1591. [2025-03-17 15:14:23,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1417 states have (on average 1.6478475652787579) internal successors, (2335), 1478 states have internal predecessors, (2335), 106 states have call successors, (106), 7 states have call predecessors, (106), 7 states have return successors, (106), 105 states have call predecessors, (106), 106 states have call successors, (106) [2025-03-17 15:14:23,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2547 transitions. [2025-03-17 15:14:23,273 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2547 transitions. Word has length 121 [2025-03-17 15:14:23,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:23,273 INFO L471 AbstractCegarLoop]: Abstraction has 1591 states and 2547 transitions. [2025-03-17 15:14:23,273 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) [2025-03-17 15:14:23,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2547 transitions. [2025-03-17 15:14:23,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-17 15:14:23,274 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:23,274 INFO L218 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] [2025-03-17 15:14:23,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:23,474 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 [2025-03-17 15:14:23,475 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:23,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:23,475 INFO L85 PathProgramCache]: Analyzing trace with hash -544637965, now seen corresponding path program 1 times [2025-03-17 15:14:23,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:23,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6697347] [2025-03-17 15:14:23,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:23,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:23,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-17 15:14:23,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-17 15:14:23,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:23,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:23,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1011882324] [2025-03-17 15:14:23,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:23,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:23,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:23,494 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) [2025-03-17 15:14:23,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-03-17 15:14:23,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-17 15:14:23,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-17 15:14:23,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:23,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:23,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:14:23,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:23,758 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 15:14:23,758 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:23,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:23,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6697347] [2025-03-17 15:14:23,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:23,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011882324] [2025-03-17 15:14:23,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011882324] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:23,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:23,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:14:23,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094329412] [2025-03-17 15:14:23,805 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:23,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:14:23,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:23,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:14:23,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:14:23,806 INFO L87 Difference]: Start difference. First operand 1591 states and 2547 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) [2025-03-17 15:14:24,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:24,192 INFO L93 Difference]: Finished difference Result 1746 states and 2766 transitions. [2025-03-17 15:14:24,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:14:24,193 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 [2025-03-17 15:14:24,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:24,198 INFO L225 Difference]: With dead ends: 1746 [2025-03-17 15:14:24,198 INFO L226 Difference]: Without dead ends: 1744 [2025-03-17 15:14:24,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:14:24,201 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 324 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:24,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 475 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:14:24,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2025-03-17 15:14:24,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1703. [2025-03-17 15:14:24,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1703 states, 1520 states have (on average 1.6559210526315788) internal successors, (2517), 1581 states have internal predecessors, (2517), 115 states have call successors, (115), 7 states have call predecessors, (115), 7 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2025-03-17 15:14:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2747 transitions. [2025-03-17 15:14:24,258 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2747 transitions. Word has length 122 [2025-03-17 15:14:24,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:24,258 INFO L471 AbstractCegarLoop]: Abstraction has 1703 states and 2747 transitions. [2025-03-17 15:14:24,258 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) [2025-03-17 15:14:24,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2747 transitions. [2025-03-17 15:14:24,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-03-17 15:14:24,259 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:24,259 INFO L218 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] [2025-03-17 15:14:24,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-03-17 15:14:24,459 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 [2025-03-17 15:14:24,459 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:24,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:24,460 INFO L85 PathProgramCache]: Analyzing trace with hash 296092352, now seen corresponding path program 1 times [2025-03-17 15:14:24,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:24,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602034497] [2025-03-17 15:14:24,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:24,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:24,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-17 15:14:24,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-17 15:14:24,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:24,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:24,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1319687157] [2025-03-17 15:14:24,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:24,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:24,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:24,471 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) [2025-03-17 15:14:24,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-03-17 15:14:24,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-03-17 15:14:24,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-03-17 15:14:24,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:24,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:24,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:14:24,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 15:14:24,810 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:25,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:25,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602034497] [2025-03-17 15:14:25,009 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:25,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319687157] [2025-03-17 15:14:25,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319687157] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:25,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:25,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:14:25,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838122456] [2025-03-17 15:14:25,009 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:25,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:14:25,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:25,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:14:25,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:14:25,010 INFO L87 Difference]: Start difference. First operand 1703 states and 2747 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) [2025-03-17 15:14:25,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:25,276 INFO L93 Difference]: Finished difference Result 1746 states and 2760 transitions. [2025-03-17 15:14:25,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:14:25,276 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 [2025-03-17 15:14:25,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:25,280 INFO L225 Difference]: With dead ends: 1746 [2025-03-17 15:14:25,280 INFO L226 Difference]: Without dead ends: 1744 [2025-03-17 15:14:25,281 INFO L434 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 [2025-03-17 15:14:25,281 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 210 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:25,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 621 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:14:25,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2025-03-17 15:14:25,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1704. [2025-03-17 15:14:25,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1704 states, 1521 states have (on average 1.6522024983563446) internal successors, (2513), 1582 states have internal predecessors, (2513), 115 states have call successors, (115), 7 states have call predecessors, (115), 7 states have return successors, (115), 114 states have call predecessors, (115), 115 states have call successors, (115) [2025-03-17 15:14:25,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1704 states and 2743 transitions. [2025-03-17 15:14:25,330 INFO L78 Accepts]: Start accepts. Automaton has 1704 states and 2743 transitions. Word has length 123 [2025-03-17 15:14:25,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:25,331 INFO L471 AbstractCegarLoop]: Abstraction has 1704 states and 2743 transitions. [2025-03-17 15:14:25,331 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) [2025-03-17 15:14:25,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2743 transitions. [2025-03-17 15:14:25,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-17 15:14:25,331 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:25,332 INFO L218 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] [2025-03-17 15:14:25,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:25,536 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 [2025-03-17 15:14:25,536 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:25,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:25,536 INFO L85 PathProgramCache]: Analyzing trace with hash 588928401, now seen corresponding path program 1 times [2025-03-17 15:14:25,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:25,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029058731] [2025-03-17 15:14:25,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:25,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:25,540 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-17 15:14:25,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-17 15:14:25,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:25,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:25,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1511266008] [2025-03-17 15:14:25,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:25,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:25,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:25,548 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) [2025-03-17 15:14:25,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-03-17 15:14:25,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-17 15:14:25,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-17 15:14:25,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:25,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:25,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-17 15:14:25,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:26,051 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 15:14:26,051 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:26,333 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 15:14:26,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:26,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029058731] [2025-03-17 15:14:26,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:26,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511266008] [2025-03-17 15:14:26,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511266008] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:14:26,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:14:26,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2025-03-17 15:14:26,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046257741] [2025-03-17 15:14:26,334 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:26,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-17 15:14:26,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:26,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-17 15:14:26,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:14:26,335 INFO L87 Difference]: Start difference. First operand 1704 states and 2743 transitions. Second operand has 17 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 9 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 8 states have call predecessors, (18), 9 states have call successors, (18) [2025-03-17 15:14:28,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:28,830 INFO L93 Difference]: Finished difference Result 2072 states and 3254 transitions. [2025-03-17 15:14:28,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-17 15:14:28,830 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 9 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 8 states have call predecessors, (18), 9 states have call successors, (18) Word has length 124 [2025-03-17 15:14:28,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:28,835 INFO L225 Difference]: With dead ends: 2072 [2025-03-17 15:14:28,835 INFO L226 Difference]: Without dead ends: 2067 [2025-03-17 15:14:28,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=213, Invalid=779, Unknown=0, NotChecked=0, Total=992 [2025-03-17 15:14:28,835 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 912 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 1700 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 914 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:28,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [914 Valid, 660 Invalid, 1784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1700 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-17 15:14:28,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2025-03-17 15:14:28,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 2024. [2025-03-17 15:14:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2024 states, 1829 states have (on average 1.6172772006560963) internal successors, (2958), 1890 states have internal predecessors, (2958), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-17 15:14:28,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 3212 transitions. [2025-03-17 15:14:28,911 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 3212 transitions. Word has length 124 [2025-03-17 15:14:28,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:28,912 INFO L471 AbstractCegarLoop]: Abstraction has 2024 states and 3212 transitions. [2025-03-17 15:14:28,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 10.5) internal successors, (168), 15 states have internal predecessors, (168), 9 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 8 states have call predecessors, (18), 9 states have call successors, (18) [2025-03-17 15:14:28,912 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 3212 transitions. [2025-03-17 15:14:28,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-03-17 15:14:28,912 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:28,912 INFO L218 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] [2025-03-17 15:14:28,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:29,113 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 [2025-03-17 15:14:29,113 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:29,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:29,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1076911326, now seen corresponding path program 1 times [2025-03-17 15:14:29,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:29,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809457728] [2025-03-17 15:14:29,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:29,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:29,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-17 15:14:29,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-17 15:14:29,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:29,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:29,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [237289828] [2025-03-17 15:14:29,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:29,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:29,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:29,129 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) [2025-03-17 15:14:29,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-03-17 15:14:29,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-03-17 15:14:29,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-03-17 15:14:29,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:29,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:29,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-17 15:14:29,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:29,430 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-03-17 15:14:29,430 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:29,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:29,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809457728] [2025-03-17 15:14:29,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:29,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237289828] [2025-03-17 15:14:29,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237289828] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:29,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:29,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-17 15:14:29,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801545868] [2025-03-17 15:14:29,459 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:29,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:14:29,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:29,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:14:29,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:14:29,460 INFO L87 Difference]: Start difference. First operand 2024 states and 3212 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 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) [2025-03-17 15:14:29,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:29,750 INFO L93 Difference]: Finished difference Result 2064 states and 3222 transitions. [2025-03-17 15:14:29,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:14:29,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 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 125 [2025-03-17 15:14:29,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:29,754 INFO L225 Difference]: With dead ends: 2064 [2025-03-17 15:14:29,754 INFO L226 Difference]: Without dead ends: 2057 [2025-03-17 15:14:29,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:14:29,755 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 279 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:29,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 319 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:14:29,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2057 states. [2025-03-17 15:14:29,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2057 to 2025. [2025-03-17 15:14:29,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1830 states have (on average 1.612568306010929) internal successors, (2951), 1891 states have internal predecessors, (2951), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-17 15:14:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3205 transitions. [2025-03-17 15:14:29,817 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3205 transitions. Word has length 125 [2025-03-17 15:14:29,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:29,817 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 3205 transitions. [2025-03-17 15:14:29,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 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) [2025-03-17 15:14:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3205 transitions. [2025-03-17 15:14:29,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-17 15:14:29,818 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:29,818 INFO L218 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] [2025-03-17 15:14:29,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2025-03-17 15:14:30,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:30,019 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:30,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:30,019 INFO L85 PathProgramCache]: Analyzing trace with hash 47399402, now seen corresponding path program 1 times [2025-03-17 15:14:30,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:30,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600820850] [2025-03-17 15:14:30,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:30,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:30,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-17 15:14:30,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-17 15:14:30,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:30,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:30,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [647980923] [2025-03-17 15:14:30,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:30,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:30,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:30,034 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:30,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-03-17 15:14:30,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-17 15:14:30,079 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-17 15:14:30,079 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:30,079 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:30,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:14:30,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:30,444 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-03-17 15:14:30,444 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:34,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:34,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600820850] [2025-03-17 15:14:34,541 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:34,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647980923] [2025-03-17 15:14:34,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647980923] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:34,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:34,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:14:34,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085061711] [2025-03-17 15:14:34,541 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:34,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:14:34,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:34,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:14:34,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=97, Unknown=1, NotChecked=0, Total=132 [2025-03-17 15:14:34,542 INFO L87 Difference]: Start difference. First operand 2025 states and 3205 transitions. Second operand has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-17 15:14:34,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:34,928 INFO L93 Difference]: Finished difference Result 2074 states and 3237 transitions. [2025-03-17 15:14:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:14:34,928 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 131 [2025-03-17 15:14:34,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:34,932 INFO L225 Difference]: With dead ends: 2074 [2025-03-17 15:14:34,932 INFO L226 Difference]: Without dead ends: 2071 [2025-03-17 15:14:34,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=34, Invalid=97, Unknown=1, NotChecked=0, Total=132 [2025-03-17 15:14:34,932 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 315 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:34,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 690 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:14:34,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2071 states. [2025-03-17 15:14:34,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2071 to 2025. [2025-03-17 15:14:34,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1830 states have (on average 1.6060109289617486) internal successors, (2939), 1891 states have internal predecessors, (2939), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-17 15:14:34,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3193 transitions. [2025-03-17 15:14:34,994 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3193 transitions. Word has length 131 [2025-03-17 15:14:34,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:34,994 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 3193 transitions. [2025-03-17 15:14:34,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-17 15:14:34,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3193 transitions. [2025-03-17 15:14:34,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-03-17 15:14:34,995 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:34,995 INFO L218 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, 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] [2025-03-17 15:14:35,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2025-03-17 15:14:35,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2025-03-17 15:14:35,196 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:35,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:35,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1469381536, now seen corresponding path program 1 times [2025-03-17 15:14:35,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:35,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355147252] [2025-03-17 15:14:35,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:35,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:35,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-17 15:14:35,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-17 15:14:35,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:35,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:35,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [607184147] [2025-03-17 15:14:35,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:35,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:35,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:35,211 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:35,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-03-17 15:14:35,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-17 15:14:35,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-17 15:14:35,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:35,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:35,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:14:35,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-03-17 15:14:35,573 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:40,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:40,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355147252] [2025-03-17 15:14:40,214 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:40,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607184147] [2025-03-17 15:14:40,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607184147] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:40,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:40,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:14:40,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408803214] [2025-03-17 15:14:40,214 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:40,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:14:40,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:40,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:14:40,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=95, Unknown=1, NotChecked=0, Total=132 [2025-03-17 15:14:40,215 INFO L87 Difference]: Start difference. First operand 2025 states and 3193 transitions. Second operand has 9 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-17 15:14:40,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:40,631 INFO L93 Difference]: Finished difference Result 2074 states and 3225 transitions. [2025-03-17 15:14:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:14:40,631 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 132 [2025-03-17 15:14:40,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:40,634 INFO L225 Difference]: With dead ends: 2074 [2025-03-17 15:14:40,634 INFO L226 Difference]: Without dead ends: 2071 [2025-03-17 15:14:40,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=46, Invalid=109, Unknown=1, NotChecked=0, Total=156 [2025-03-17 15:14:40,634 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 267 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:40,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 501 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:14:40,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2071 states. [2025-03-17 15:14:40,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2071 to 2025. [2025-03-17 15:14:40,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1830 states have (on average 1.5994535519125683) internal successors, (2927), 1891 states have internal predecessors, (2927), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-17 15:14:40,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3181 transitions. [2025-03-17 15:14:40,695 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3181 transitions. Word has length 132 [2025-03-17 15:14:40,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:40,696 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 3181 transitions. [2025-03-17 15:14:40,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 13.0) internal successors, (91), 8 states have internal predecessors, (91), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-17 15:14:40,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3181 transitions. [2025-03-17 15:14:40,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-17 15:14:40,696 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:40,696 INFO L218 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, 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] [2025-03-17 15:14:40,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:40,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:40,896 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:40,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:40,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1693812568, now seen corresponding path program 1 times [2025-03-17 15:14:40,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:40,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424611133] [2025-03-17 15:14:40,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:40,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:40,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-17 15:14:40,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-17 15:14:40,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:40,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:40,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806564067] [2025-03-17 15:14:40,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:40,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:40,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:40,908 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:40,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-03-17 15:14:40,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-17 15:14:40,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-17 15:14:40,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:40,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:40,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 15:14:40,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:41,376 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-03-17 15:14:41,376 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:45,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:45,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424611133] [2025-03-17 15:14:45,502 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:45,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806564067] [2025-03-17 15:14:45,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806564067] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:45,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:45,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-17 15:14:45,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941650261] [2025-03-17 15:14:45,503 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:45,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:14:45,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:45,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:14:45,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=170, Unknown=1, NotChecked=0, Total=210 [2025-03-17 15:14:45,503 INFO L87 Difference]: Start difference. First operand 2025 states and 3181 transitions. Second operand has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-17 15:14:46,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:46,221 INFO L93 Difference]: Finished difference Result 2049 states and 3198 transitions. [2025-03-17 15:14:46,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:14:46,221 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 133 [2025-03-17 15:14:46,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:46,225 INFO L225 Difference]: With dead ends: 2049 [2025-03-17 15:14:46,225 INFO L226 Difference]: Without dead ends: 2048 [2025-03-17 15:14:46,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=83, Invalid=336, Unknown=1, NotChecked=0, Total=420 [2025-03-17 15:14:46,225 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 437 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:46,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 492 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:14:46,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2025-03-17 15:14:46,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 2025. [2025-03-17 15:14:46,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1830 states have (on average 1.5989071038251366) internal successors, (2926), 1891 states have internal predecessors, (2926), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-17 15:14:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3180 transitions. [2025-03-17 15:14:46,294 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3180 transitions. Word has length 133 [2025-03-17 15:14:46,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:46,295 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 3180 transitions. [2025-03-17 15:14:46,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-17 15:14:46,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3180 transitions. [2025-03-17 15:14:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-17 15:14:46,295 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:46,295 INFO L218 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, 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] [2025-03-17 15:14:46,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:46,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-03-17 15:14:46,496 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:46,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:46,496 INFO L85 PathProgramCache]: Analyzing trace with hash -968581986, now seen corresponding path program 1 times [2025-03-17 15:14:46,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:46,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025478486] [2025-03-17 15:14:46,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:46,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:46,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-17 15:14:46,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-17 15:14:46,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:46,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:46,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2096967019] [2025-03-17 15:14:46,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:46,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:46,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:46,509 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:46,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-03-17 15:14:46,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-17 15:14:46,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-17 15:14:46,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:46,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:46,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 15:14:46,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:46,965 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-03-17 15:14:46,965 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:51,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:51,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025478486] [2025-03-17 15:14:51,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:51,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096967019] [2025-03-17 15:14:51,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096967019] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:51,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:51,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-17 15:14:51,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425325470] [2025-03-17 15:14:51,278 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:51,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:14:51,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:51,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:14:51,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=170, Unknown=1, NotChecked=0, Total=210 [2025-03-17 15:14:51,278 INFO L87 Difference]: Start difference. First operand 2025 states and 3180 transitions. Second operand has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-17 15:14:51,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:51,944 INFO L93 Difference]: Finished difference Result 2050 states and 3197 transitions. [2025-03-17 15:14:51,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:14:51,945 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 134 [2025-03-17 15:14:51,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:51,948 INFO L225 Difference]: With dead ends: 2050 [2025-03-17 15:14:51,948 INFO L226 Difference]: Without dead ends: 2048 [2025-03-17 15:14:51,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=83, Invalid=336, Unknown=1, NotChecked=0, Total=420 [2025-03-17 15:14:51,948 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 436 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:51,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 492 Invalid, 1233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:14:51,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2025-03-17 15:14:52,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 2025. [2025-03-17 15:14:52,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1830 states have (on average 1.5967213114754097) internal successors, (2922), 1891 states have internal predecessors, (2922), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-17 15:14:52,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3176 transitions. [2025-03-17 15:14:52,012 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3176 transitions. Word has length 134 [2025-03-17 15:14:52,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:52,013 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 3176 transitions. [2025-03-17 15:14:52,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 10.333333333333334) internal successors, (93), 10 states have internal predecessors, (93), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-17 15:14:52,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3176 transitions. [2025-03-17 15:14:52,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-03-17 15:14:52,013 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:52,013 INFO L218 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, 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] [2025-03-17 15:14:52,019 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-03-17 15:14:52,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:52,218 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:52,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:52,218 INFO L85 PathProgramCache]: Analyzing trace with hash 38729574, now seen corresponding path program 1 times [2025-03-17 15:14:52,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:52,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736169543] [2025-03-17 15:14:52,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:52,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:52,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-17 15:14:52,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-17 15:14:52,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:52,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:52,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [800041951] [2025-03-17 15:14:52,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:52,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:52,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:52,230 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:52,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-03-17 15:14:52,257 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 135 statements into 1 equivalence classes. [2025-03-17 15:14:52,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 135 of 135 statements. [2025-03-17 15:14:52,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:52,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:52,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-17 15:14:52,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:52,765 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-03-17 15:14:52,765 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:52,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:52,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736169543] [2025-03-17 15:14:52,896 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:52,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800041951] [2025-03-17 15:14:52,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800041951] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:52,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:52,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-17 15:14:52,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057562354] [2025-03-17 15:14:52,896 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:52,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:14:52,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:52,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:14:52,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:14:52,898 INFO L87 Difference]: Start difference. First operand 2025 states and 3176 transitions. Second operand has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-17 15:14:53,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:53,509 INFO L93 Difference]: Finished difference Result 2045 states and 3185 transitions. [2025-03-17 15:14:53,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:14:53,510 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 135 [2025-03-17 15:14:53,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:53,513 INFO L225 Difference]: With dead ends: 2045 [2025-03-17 15:14:53,513 INFO L226 Difference]: Without dead ends: 2042 [2025-03-17 15:14:53,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:14:53,514 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 290 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:53,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 667 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1095 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:14:53,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2025-03-17 15:14:53,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 2025. [2025-03-17 15:14:53,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1830 states have (on average 1.5939890710382514) internal successors, (2917), 1891 states have internal predecessors, (2917), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-17 15:14:53,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3171 transitions. [2025-03-17 15:14:53,625 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3171 transitions. Word has length 135 [2025-03-17 15:14:53,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:53,626 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 3171 transitions. [2025-03-17 15:14:53,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 9 states have internal predecessors, (94), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-03-17 15:14:53,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3171 transitions. [2025-03-17 15:14:53,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-17 15:14:53,626 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:53,626 INFO L218 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, 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] [2025-03-17 15:14:53,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2025-03-17 15:14:53,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:53,827 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:53,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:53,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1200616860, now seen corresponding path program 1 times [2025-03-17 15:14:53,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:53,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772799854] [2025-03-17 15:14:53,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:53,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:53,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-17 15:14:53,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-17 15:14:53,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:53,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:53,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [17628115] [2025-03-17 15:14:53,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:53,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:53,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:53,841 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:53,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-03-17 15:14:53,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-17 15:14:53,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-17 15:14:53,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:53,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:53,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-17 15:14:53,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:14:54,298 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-17 15:14:54,298 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:14:58,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:14:58,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772799854] [2025-03-17 15:14:58,471 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:14:58,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17628115] [2025-03-17 15:14:58,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17628115] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:14:58,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:14:58,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:14:58,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862059170] [2025-03-17 15:14:58,471 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:14:58,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:14:58,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:14:58,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:14:58,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=100, Unknown=1, NotChecked=0, Total=132 [2025-03-17 15:14:58,472 INFO L87 Difference]: Start difference. First operand 2025 states and 3171 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-17 15:14:58,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:14:58,921 INFO L93 Difference]: Finished difference Result 2043 states and 3180 transitions. [2025-03-17 15:14:58,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:14:58,921 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 136 [2025-03-17 15:14:58,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:14:58,924 INFO L225 Difference]: With dead ends: 2043 [2025-03-17 15:14:58,924 INFO L226 Difference]: Without dead ends: 2042 [2025-03-17 15:14:58,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=31, Invalid=100, Unknown=1, NotChecked=0, Total=132 [2025-03-17 15:14:58,924 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 267 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:14:58,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 449 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:14:58,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2025-03-17 15:14:58,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 2025. [2025-03-17 15:14:58,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1830 states have (on average 1.592896174863388) internal successors, (2915), 1891 states have internal predecessors, (2915), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-17 15:14:58,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3169 transitions. [2025-03-17 15:14:58,990 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3169 transitions. Word has length 136 [2025-03-17 15:14:58,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:14:58,990 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 3169 transitions. [2025-03-17 15:14:58,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-17 15:14:58,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3169 transitions. [2025-03-17 15:14:58,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-03-17 15:14:58,991 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:14:58,991 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 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] [2025-03-17 15:14:58,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2025-03-17 15:14:59,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2025-03-17 15:14:59,194 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:14:59,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:14:59,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1181277537, now seen corresponding path program 1 times [2025-03-17 15:14:59,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:14:59,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667252953] [2025-03-17 15:14:59,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:59,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:14:59,199 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-17 15:14:59,204 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-17 15:14:59,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:59,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:14:59,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [297953391] [2025-03-17 15:14:59,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:14:59,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:14:59,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:14:59,209 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:14:59,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-03-17 15:14:59,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-17 15:14:59,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-17 15:14:59,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:14:59,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:14:59,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 15:14:59,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:00,114 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-03-17 15:15:00,114 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:08,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:08,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667252953] [2025-03-17 15:15:08,275 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:08,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297953391] [2025-03-17 15:15:08,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297953391] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:08,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:08,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-17 15:15:08,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497505385] [2025-03-17 15:15:08,275 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:08,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:15:08,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:08,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:15:08,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=169, Unknown=2, NotChecked=0, Total=210 [2025-03-17 15:15:08,276 INFO L87 Difference]: Start difference. First operand 2025 states and 3169 transitions. Second operand has 11 states, 10 states have (on average 9.6) internal successors, (96), 10 states have internal predecessors, (96), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-03-17 15:15:09,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:09,886 INFO L93 Difference]: Finished difference Result 2041 states and 3178 transitions. [2025-03-17 15:15:09,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:15:09,886 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.6) internal successors, (96), 10 states have internal predecessors, (96), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 142 [2025-03-17 15:15:09,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:09,890 INFO L225 Difference]: With dead ends: 2041 [2025-03-17 15:15:09,890 INFO L226 Difference]: Without dead ends: 2040 [2025-03-17 15:15:09,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=77, Invalid=301, Unknown=2, NotChecked=0, Total=380 [2025-03-17 15:15:09,890 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 421 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 1168 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:09,890 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 817 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1168 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-17 15:15:09,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2025-03-17 15:15:09,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 2025. [2025-03-17 15:15:09,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2025 states, 1830 states have (on average 1.5918032786885246) internal successors, (2913), 1891 states have internal predecessors, (2913), 127 states have call successors, (127), 7 states have call predecessors, (127), 7 states have return successors, (127), 126 states have call predecessors, (127), 127 states have call successors, (127) [2025-03-17 15:15:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 3167 transitions. [2025-03-17 15:15:09,956 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 3167 transitions. Word has length 142 [2025-03-17 15:15:09,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:09,956 INFO L471 AbstractCegarLoop]: Abstraction has 2025 states and 3167 transitions. [2025-03-17 15:15:09,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.6) internal successors, (96), 10 states have internal predecessors, (96), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-03-17 15:15:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 3167 transitions. [2025-03-17 15:15:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-03-17 15:15:09,957 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:09,957 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 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] [2025-03-17 15:15:09,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2025-03-17 15:15:10,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2025-03-17 15:15:10,157 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2025-03-17 15:15:10,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:10,158 INFO L85 PathProgramCache]: Analyzing trace with hash 2035102078, now seen corresponding path program 1 times [2025-03-17 15:15:10,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:10,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878786554] [2025-03-17 15:15:10,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:10,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:10,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-17 15:15:10,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-17 15:15:10,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:10,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:10,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1153838578] [2025-03-17 15:15:10,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:10,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:10,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:10,171 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:10,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2025-03-17 15:15:10,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-17 15:15:10,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-17 15:15:10,225 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:10,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:10,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-17 15:15:10,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:11,230 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-03-17 15:15:11,230 INFO L312 TraceCheckSpWp]: Computing backward predicates...