./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-1.i --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/uthash-2.0.2/uthash_BER_nondet_test1-1.i -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 fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 19:02:57,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 19:02:57,762 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 19:02:57,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 19:02:57,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 19:02:57,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 19:02:57,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 19:02:57,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 19:02:57,794 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 19:02:57,795 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 19:02:57,795 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 19:02:57,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 19:02:57,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 19:02:57,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 19:02:57,796 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 19:02:57,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 19:02:57,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 19:02:57,796 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 19:02:57,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 19:02:57,796 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 19:02:57,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 19:02:57,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 19:02:57,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 19:02:57,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 19:02:57,797 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 19:02:57,797 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 19:02:57,797 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 19:02:57,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 19:02:57,797 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 19:02:57,798 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 19:02:57,798 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 19:02:57,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 19:02:57,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 19:02:57,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 19:02:57,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:02:57,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 19:02:57,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 19:02:57,799 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 19:02:57,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 19:02:57,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 19:02:57,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 19:02:57,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 19:02:57,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 19:02:57,799 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 19:02:57,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 19:02:57,799 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 -> fdc85b042221b41aa26e62667e19ce1f6c246be9a2cb4f81fe8b15c8429db160 [2025-03-17 19:02:58,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 19:02:58,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 19:02:58,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 19:02:58,080 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 19:02:58,080 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 19:02:58,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-1.i [2025-03-17 19:02:59,349 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeef3042f/c967b9bcd5464afd8ebc5da4969a7637/FLAG5a4623906 [2025-03-17 19:02:59,660 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 19:02:59,661 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test1-1.i [2025-03-17 19:02:59,673 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeef3042f/c967b9bcd5464afd8ebc5da4969a7637/FLAG5a4623906 [2025-03-17 19:02:59,912 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeef3042f/c967b9bcd5464afd8ebc5da4969a7637 [2025-03-17 19:02:59,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 19:02:59,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 19:02:59,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 19:02:59,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 19:02:59,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 19:02:59,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:02:59" (1/1) ... [2025-03-17 19:02:59,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6ac0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:02:59, skipping insertion in model container [2025-03-17 19:02:59,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:02:59" (1/1) ... [2025-03-17 19:02:59,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 19:03:00,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:03:00,214 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 19:03:00,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 19:03:00,298 INFO L204 MainTranslator]: Completed translation [2025-03-17 19:03:00,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:00 WrapperNode [2025-03-17 19:03:00,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 19:03:00,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 19:03:00,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 19:03:00,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 19:03:00,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:00" (1/1) ... [2025-03-17 19:03:00,322 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:00" (1/1) ... [2025-03-17 19:03:00,352 INFO L138 Inliner]: procedures = 176, calls = 170, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 779 [2025-03-17 19:03:00,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 19:03:00,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 19:03:00,353 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 19:03:00,353 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 19:03:00,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:00" (1/1) ... [2025-03-17 19:03:00,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:00" (1/1) ... [2025-03-17 19:03:00,366 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:00" (1/1) ... [2025-03-17 19:03:00,397 INFO L175 MemorySlicer]: Split 158 memory accesses to 2 slices as follows [2, 156]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 42 writes are split as follows [0, 42]. [2025-03-17 19:03:00,397 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:00" (1/1) ... [2025-03-17 19:03:00,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:00" (1/1) ... [2025-03-17 19:03:00,419 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:00" (1/1) ... [2025-03-17 19:03:00,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:00" (1/1) ... [2025-03-17 19:03:00,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:00" (1/1) ... [2025-03-17 19:03:00,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:00" (1/1) ... [2025-03-17 19:03:00,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 19:03:00,437 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 19:03:00,437 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 19:03:00,437 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 19:03:00,438 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:00" (1/1) ... [2025-03-17 19:03:00,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 19:03:00,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:03:00,466 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 19:03:00,470 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 19:03:00,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 19:03:00,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 19:03:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 19:03:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 19:03:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-17 19:03:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-17 19:03:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-17 19:03:00,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-17 19:03:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 19:03:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 19:03:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 19:03:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 19:03:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 19:03:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 19:03:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 19:03:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 19:03:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 19:03:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 19:03:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 19:03:00,624 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 19:03:00,626 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 19:03:01,469 INFO L? ?]: Removed 205 outVars from TransFormulas that were not future-live. [2025-03-17 19:03:01,469 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 19:03:01,498 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 19:03:01,498 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-17 19:03:01,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:03:01 BoogieIcfgContainer [2025-03-17 19:03:01,499 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 19:03:01,500 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 19:03:01,500 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 19:03:01,505 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 19:03:01,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:02:59" (1/3) ... [2025-03-17 19:03:01,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c68c9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:03:01, skipping insertion in model container [2025-03-17 19:03:01,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:03:00" (2/3) ... [2025-03-17 19:03:01,506 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c68c9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:03:01, skipping insertion in model container [2025-03-17 19:03:01,506 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:03:01" (3/3) ... [2025-03-17 19:03:01,507 INFO L128 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test1-1.i [2025-03-17 19:03:01,517 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 19:03:01,518 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG uthash_BER_nondet_test1-1.i that has 3 procedures, 219 locations, 1 initial locations, 19 loop locations, and 6 error locations. [2025-03-17 19:03:01,556 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 19:03:01,564 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;@64980690, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 19:03:01,565 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-17 19:03:01,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 215 states, 204 states have (on average 1.6176470588235294) internal successors, (330), 210 states have internal predecessors, (330), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 19:03:01,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-17 19:03:01,572 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:01,573 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-17 19:03:01,573 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:01,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:01,577 INFO L85 PathProgramCache]: Analyzing trace with hash 11638317, now seen corresponding path program 1 times [2025-03-17 19:03:01,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:01,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350472481] [2025-03-17 19:03:01,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:01,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:01,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 19:03:01,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 19:03:01,658 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:01,658 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:01,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:03:01,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:01,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350472481] [2025-03-17 19:03:01,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350472481] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:03:01,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:03:01,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:03:01,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726674105] [2025-03-17 19:03:01,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:03:01,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:03:01,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:01,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:03:01,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:03:01,781 INFO L87 Difference]: Start difference. First operand has 215 states, 204 states have (on average 1.6176470588235294) internal successors, (330), 210 states have internal predecessors, (330), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:03:01,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:01,932 INFO L93 Difference]: Finished difference Result 623 states and 984 transitions. [2025-03-17 19:03:01,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:03:01,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-03-17 19:03:01,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:01,943 INFO L225 Difference]: With dead ends: 623 [2025-03-17 19:03:01,944 INFO L226 Difference]: Without dead ends: 404 [2025-03-17 19:03:01,946 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 19:03:01,950 INFO L435 NwaCegarLoop]: 277 mSDtfsCounter, 275 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:01,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 550 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:03:01,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-03-17 19:03:01,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 210. [2025-03-17 19:03:01,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 200 states have (on average 1.46) internal successors, (292), 205 states have internal predecessors, (292), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 19:03:01,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 298 transitions. [2025-03-17 19:03:01,996 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 298 transitions. Word has length 4 [2025-03-17 19:03:01,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:01,996 INFO L471 AbstractCegarLoop]: Abstraction has 210 states and 298 transitions. [2025-03-17 19:03:01,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:03:01,997 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 298 transitions. [2025-03-17 19:03:01,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-17 19:03:01,997 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:01,997 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-17 19:03:01,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 19:03:01,997 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:01,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:01,998 INFO L85 PathProgramCache]: Analyzing trace with hash 371192804, now seen corresponding path program 1 times [2025-03-17 19:03:01,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:01,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104537966] [2025-03-17 19:03:01,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:01,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:02,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-17 19:03:02,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-17 19:03:02,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:02,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:02,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:03:02,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:02,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104537966] [2025-03-17 19:03:02,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104537966] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:03:02,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:03:02,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:03:02,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183271058] [2025-03-17 19:03:02,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:03:02,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:03:02,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:02,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:03:02,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:03:02,168 INFO L87 Difference]: Start difference. First operand 210 states and 298 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:03:02,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:02,231 INFO L93 Difference]: Finished difference Result 215 states and 304 transitions. [2025-03-17 19:03:02,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:03:02,231 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-03-17 19:03:02,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:02,232 INFO L225 Difference]: With dead ends: 215 [2025-03-17 19:03:02,232 INFO L226 Difference]: Without dead ends: 214 [2025-03-17 19:03:02,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 19:03:02,233 INFO L435 NwaCegarLoop]: 272 mSDtfsCounter, 2 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:02,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 540 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 19:03:02,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-03-17 19:03:02,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 213. [2025-03-17 19:03:02,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 203 states have (on average 1.4532019704433496) internal successors, (295), 208 states have internal predecessors, (295), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 19:03:02,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 301 transitions. [2025-03-17 19:03:02,240 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 301 transitions. Word has length 5 [2025-03-17 19:03:02,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:02,241 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 301 transitions. [2025-03-17 19:03:02,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:03:02,241 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 301 transitions. [2025-03-17 19:03:02,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 19:03:02,241 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:02,241 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 19:03:02,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 19:03:02,241 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:02,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:02,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1377924643, now seen corresponding path program 1 times [2025-03-17 19:03:02,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:02,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238070863] [2025-03-17 19:03:02,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:02,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:02,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 19:03:02,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 19:03:02,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:02,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:02,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:03:02,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:02,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238070863] [2025-03-17 19:03:02,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238070863] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:03:02,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:03:02,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:03:02,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391807236] [2025-03-17 19:03:02,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:03:02,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:03:02,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:02,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:03:02,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:03:02,361 INFO L87 Difference]: Start difference. First operand 213 states and 301 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:03:02,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:02,445 INFO L93 Difference]: Finished difference Result 215 states and 303 transitions. [2025-03-17 19:03:02,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:03:02,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-17 19:03:02,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:02,446 INFO L225 Difference]: With dead ends: 215 [2025-03-17 19:03:02,447 INFO L226 Difference]: Without dead ends: 214 [2025-03-17 19:03:02,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 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 19:03:02,447 INFO L435 NwaCegarLoop]: 273 mSDtfsCounter, 0 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:02,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 804 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:03:02,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-03-17 19:03:02,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2025-03-17 19:03:02,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 204 states have (on average 1.4509803921568627) internal successors, (296), 209 states have internal predecessors, (296), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 19:03:02,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 302 transitions. [2025-03-17 19:03:02,460 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 302 transitions. Word has length 6 [2025-03-17 19:03:02,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:02,460 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 302 transitions. [2025-03-17 19:03:02,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:03:02,460 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 302 transitions. [2025-03-17 19:03:02,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-17 19:03:02,461 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:02,461 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:02,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 19:03:02,462 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:02,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:02,462 INFO L85 PathProgramCache]: Analyzing trace with hash 91902548, now seen corresponding path program 1 times [2025-03-17 19:03:02,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:02,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566302748] [2025-03-17 19:03:02,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:02,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:02,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 19:03:02,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 19:03:02,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:02,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:03:02,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:02,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566302748] [2025-03-17 19:03:02,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566302748] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:03:02,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:03:02,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 19:03:02,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254816683] [2025-03-17 19:03:02,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:03:02,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:03:02,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:02,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:03:02,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:03:02,670 INFO L87 Difference]: Start difference. First operand 214 states and 302 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:03:02,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:02,771 INFO L93 Difference]: Finished difference Result 425 states and 601 transitions. [2025-03-17 19:03:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:03:02,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2025-03-17 19:03:02,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:02,772 INFO L225 Difference]: With dead ends: 425 [2025-03-17 19:03:02,773 INFO L226 Difference]: Without dead ends: 217 [2025-03-17 19:03:02,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 19:03:02,774 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 105 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:02,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 660 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:03:02,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2025-03-17 19:03:02,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 214. [2025-03-17 19:03:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 204 states have (on average 1.4166666666666667) internal successors, (289), 209 states have internal predecessors, (289), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 19:03:02,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 295 transitions. [2025-03-17 19:03:02,786 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 295 transitions. Word has length 77 [2025-03-17 19:03:02,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:02,786 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 295 transitions. [2025-03-17 19:03:02,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:03:02,786 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 295 transitions. [2025-03-17 19:03:02,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-17 19:03:02,788 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:02,788 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:02,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 19:03:02,788 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:02,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:02,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1294041171, now seen corresponding path program 1 times [2025-03-17 19:03:02,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:02,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746789655] [2025-03-17 19:03:02,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:02,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:02,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 19:03:02,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 19:03:02,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:02,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 19:03:02,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:02,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746789655] [2025-03-17 19:03:02,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746789655] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:03:02,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:03:02,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 19:03:02,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240783283] [2025-03-17 19:03:02,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:03:02,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 19:03:02,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:02,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 19:03:02,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 19:03:02,949 INFO L87 Difference]: Start difference. First operand 214 states and 295 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:03:03,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:03,044 INFO L93 Difference]: Finished difference Result 547 states and 769 transitions. [2025-03-17 19:03:03,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 19:03:03,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2025-03-17 19:03:03,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:03,046 INFO L225 Difference]: With dead ends: 547 [2025-03-17 19:03:03,046 INFO L226 Difference]: Without dead ends: 339 [2025-03-17 19:03:03,047 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 19:03:03,047 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 134 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:03,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 526 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:03:03,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-03-17 19:03:03,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2025-03-17 19:03:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 329 states have (on average 1.4376899696048633) internal successors, (473), 334 states have internal predecessors, (473), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 19:03:03,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 479 transitions. [2025-03-17 19:03:03,067 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 479 transitions. Word has length 77 [2025-03-17 19:03:03,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:03,067 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 479 transitions. [2025-03-17 19:03:03,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 2 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 19:03:03,068 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 479 transitions. [2025-03-17 19:03:03,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-17 19:03:03,072 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:03,072 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:03,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 19:03:03,073 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:03,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:03,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1596369666, now seen corresponding path program 1 times [2025-03-17 19:03:03,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:03,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075860664] [2025-03-17 19:03:03,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:03,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:03,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-17 19:03:03,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-17 19:03:03,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:03,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:03,314 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 19:03:03,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:03,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075860664] [2025-03-17 19:03:03,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075860664] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:03:03,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:03:03,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:03:03,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120221060] [2025-03-17 19:03:03,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:03:03,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:03:03,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:03,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:03:03,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:03:03,315 INFO L87 Difference]: Start difference. First operand 339 states and 479 transitions. Second operand has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:03:03,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:03,408 INFO L93 Difference]: Finished difference Result 404 states and 564 transitions. [2025-03-17 19:03:03,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:03:03,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 92 [2025-03-17 19:03:03,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:03,411 INFO L225 Difference]: With dead ends: 404 [2025-03-17 19:03:03,411 INFO L226 Difference]: Without dead ends: 402 [2025-03-17 19:03:03,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:03:03,412 INFO L435 NwaCegarLoop]: 302 mSDtfsCounter, 185 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:03,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 862 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:03:03,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2025-03-17 19:03:03,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2025-03-17 19:03:03,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 389 states have (on average 1.4138817480719794) internal successors, (550), 394 states have internal predecessors, (550), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 19:03:03,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 562 transitions. [2025-03-17 19:03:03,422 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 562 transitions. Word has length 92 [2025-03-17 19:03:03,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:03,422 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 562 transitions. [2025-03-17 19:03:03,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:03:03,422 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 562 transitions. [2025-03-17 19:03:03,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 19:03:03,424 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:03,424 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:03,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 19:03:03,424 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:03,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:03,424 INFO L85 PathProgramCache]: Analyzing trace with hash -974054465, now seen corresponding path program 1 times [2025-03-17 19:03:03,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:03,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068075493] [2025-03-17 19:03:03,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:03,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:03,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 19:03:03,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 19:03:03,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:03,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:03,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:03,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:03,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068075493] [2025-03-17 19:03:03,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068075493] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:03:03,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1461957006] [2025-03-17 19:03:03,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:03,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:03:03,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:03:03,667 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 19:03:03,668 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 19:03:03,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 19:03:03,896 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 19:03:03,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:03,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:03,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 19:03:03,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:03:04,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:04,057 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:03:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:04,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1461957006] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:03:04,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:03:04,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-03-17 19:03:04,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164095308] [2025-03-17 19:03:04,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:03:04,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 19:03:04,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:04,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 19:03:04,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:03:04,195 INFO L87 Difference]: Start difference. First operand 402 states and 562 transitions. Second operand has 10 states, 10 states have (on average 25.6) internal successors, (256), 10 states have internal predecessors, (256), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 19:03:04,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:04,363 INFO L93 Difference]: Finished difference Result 606 states and 849 transitions. [2025-03-17 19:03:04,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:03:04,364 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 25.6) internal successors, (256), 10 states have internal predecessors, (256), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 96 [2025-03-17 19:03:04,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:04,366 INFO L225 Difference]: With dead ends: 606 [2025-03-17 19:03:04,366 INFO L226 Difference]: Without dead ends: 600 [2025-03-17 19:03:04,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-17 19:03:04,367 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 1088 mSDsluCounter, 1369 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 1670 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:04,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1095 Valid, 1670 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:03:04,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2025-03-17 19:03:04,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 598. [2025-03-17 19:03:04,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 582 states have (on average 1.4140893470790379) internal successors, (823), 587 states have internal predecessors, (823), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 19:03:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 841 transitions. [2025-03-17 19:03:04,396 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 841 transitions. Word has length 96 [2025-03-17 19:03:04,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:04,397 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 841 transitions. [2025-03-17 19:03:04,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.6) internal successors, (256), 10 states have internal predecessors, (256), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 19:03:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 841 transitions. [2025-03-17 19:03:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-17 19:03:04,398 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:04,398 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:04,406 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 19:03:04,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:03:04,599 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:04,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:04,599 INFO L85 PathProgramCache]: Analyzing trace with hash -120512366, now seen corresponding path program 1 times [2025-03-17 19:03:04,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:04,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608305617] [2025-03-17 19:03:04,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:04,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:04,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-17 19:03:04,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-17 19:03:04,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:04,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:05,145 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:05,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:05,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608305617] [2025-03-17 19:03:05,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608305617] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:03:05,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858969862] [2025-03-17 19:03:05,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:05,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:03:05,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:03:05,152 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 19:03:05,154 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 19:03:05,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-17 19:03:05,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-17 19:03:05,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:05,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:05,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 19:03:05,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:03:05,540 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:05,540 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:03:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:05,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858969862] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:03:05,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:03:05,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-17 19:03:05,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416943536] [2025-03-17 19:03:05,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:03:05,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 19:03:05,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:05,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 19:03:05,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-03-17 19:03:05,693 INFO L87 Difference]: Start difference. First operand 598 states and 841 transitions. Second operand has 13 states, 12 states have (on average 15.416666666666666) internal successors, (185), 13 states have internal predecessors, (185), 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 19:03:05,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:05,947 INFO L93 Difference]: Finished difference Result 804 states and 1132 transitions. [2025-03-17 19:03:05,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 19:03:05,949 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.416666666666666) internal successors, (185), 13 states have internal predecessors, (185), 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 97 [2025-03-17 19:03:05,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:05,953 INFO L225 Difference]: With dead ends: 804 [2025-03-17 19:03:05,953 INFO L226 Difference]: Without dead ends: 803 [2025-03-17 19:03:05,954 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2025-03-17 19:03:05,955 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 649 mSDsluCounter, 2137 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 654 SdHoareTripleChecker+Valid, 2398 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:05,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [654 Valid, 2398 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:03:05,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2025-03-17 19:03:05,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 796. [2025-03-17 19:03:05,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 777 states have (on average 1.4131274131274132) internal successors, (1098), 782 states have internal predecessors, (1098), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 19:03:05,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1122 transitions. [2025-03-17 19:03:05,999 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1122 transitions. Word has length 97 [2025-03-17 19:03:06,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:06,000 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1122 transitions. [2025-03-17 19:03:06,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.416666666666666) internal successors, (185), 13 states have internal predecessors, (185), 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 19:03:06,000 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1122 transitions. [2025-03-17 19:03:06,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-03-17 19:03:06,001 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:06,001 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:06,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 19:03:06,202 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,SelfDestructingSolverStorable7 [2025-03-17 19:03:06,202 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:06,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:06,203 INFO L85 PathProgramCache]: Analyzing trace with hash 559084271, now seen corresponding path program 1 times [2025-03-17 19:03:06,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:06,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554175768] [2025-03-17 19:03:06,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:06,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:06,241 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-17 19:03:06,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 19:03:06,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:06,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:06,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:06,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554175768] [2025-03-17 19:03:06,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554175768] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:03:06,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424626050] [2025-03-17 19:03:06,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:06,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:03:06,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:03:06,664 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 19:03:06,667 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 19:03:06,805 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-03-17 19:03:06,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-03-17 19:03:06,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:06,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:06,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 19:03:06,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:03:07,013 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:07,014 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:03:07,164 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:07,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424626050] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:03:07,165 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:03:07,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-17 19:03:07,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789577839] [2025-03-17 19:03:07,165 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:03:07,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 19:03:07,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:07,166 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 19:03:07,166 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-03-17 19:03:07,166 INFO L87 Difference]: Start difference. First operand 796 states and 1122 transitions. Second operand has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 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 19:03:07,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:07,419 INFO L93 Difference]: Finished difference Result 804 states and 1129 transitions. [2025-03-17 19:03:07,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 19:03:07,420 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 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 98 [2025-03-17 19:03:07,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:07,426 INFO L225 Difference]: With dead ends: 804 [2025-03-17 19:03:07,426 INFO L226 Difference]: Without dead ends: 803 [2025-03-17 19:03:07,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2025-03-17 19:03:07,428 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 645 mSDsluCounter, 2239 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 650 SdHoareTripleChecker+Valid, 2540 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:07,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [650 Valid, 2540 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:03:07,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2025-03-17 19:03:07,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 797. [2025-03-17 19:03:07,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 778 states have (on average 1.4100257069408741) internal successors, (1097), 783 states have internal predecessors, (1097), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 19:03:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1121 transitions. [2025-03-17 19:03:07,456 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1121 transitions. Word has length 98 [2025-03-17 19:03:07,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:07,456 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 1121 transitions. [2025-03-17 19:03:07,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 15.666666666666666) internal successors, (188), 13 states have internal predecessors, (188), 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 19:03:07,457 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1121 transitions. [2025-03-17 19:03:07,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-03-17 19:03:07,459 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:07,460 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:07,470 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 19:03:07,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:03:07,661 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:07,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:07,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1571115429, now seen corresponding path program 1 times [2025-03-17 19:03:07,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:07,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35593968] [2025-03-17 19:03:07,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:07,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:07,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-17 19:03:07,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-17 19:03:07,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:07,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:07,991 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:07,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:07,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35593968] [2025-03-17 19:03:07,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35593968] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:03:07,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794960848] [2025-03-17 19:03:07,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:07,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:03:07,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:03:07,995 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 19:03:07,996 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 19:03:08,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-17 19:03:08,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-17 19:03:08,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:08,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:08,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 19:03:08,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:03:08,456 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:08,456 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 19:03:08,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794960848] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:03:08,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 19:03:08,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-17 19:03:08,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697856522] [2025-03-17 19:03:08,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:03:08,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:03:08,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:08,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:03:08,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 19:03:08,458 INFO L87 Difference]: Start difference. First operand 797 states and 1121 transitions. Second operand has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:03:08,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:08,594 INFO L93 Difference]: Finished difference Result 797 states and 1121 transitions. [2025-03-17 19:03:08,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 19:03:08,595 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 169 [2025-03-17 19:03:08,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:08,598 INFO L225 Difference]: With dead ends: 797 [2025-03-17 19:03:08,598 INFO L226 Difference]: Without dead ends: 796 [2025-03-17 19:03:08,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 19:03:08,599 INFO L435 NwaCegarLoop]: 466 mSDtfsCounter, 379 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:08,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1665 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 19:03:08,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2025-03-17 19:03:08,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 796. [2025-03-17 19:03:08,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 778 states have (on average 1.4061696658097687) internal successors, (1094), 782 states have internal predecessors, (1094), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 19:03:08,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1118 transitions. [2025-03-17 19:03:08,622 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1118 transitions. Word has length 169 [2025-03-17 19:03:08,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:08,622 INFO L471 AbstractCegarLoop]: Abstraction has 796 states and 1118 transitions. [2025-03-17 19:03:08,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.4) internal successors, (162), 6 states have internal predecessors, (162), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:03:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1118 transitions. [2025-03-17 19:03:08,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2025-03-17 19:03:08,625 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:08,625 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:08,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 19:03:08,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:03:08,829 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:08,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:08,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1727231851, now seen corresponding path program 1 times [2025-03-17 19:03:08,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:08,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971019397] [2025-03-17 19:03:08,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:08,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:08,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-03-17 19:03:08,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-03-17 19:03:08,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:08,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:09,084 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-03-17 19:03:09,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:09,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971019397] [2025-03-17 19:03:09,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971019397] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:03:09,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:03:09,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 19:03:09,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862056279] [2025-03-17 19:03:09,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:03:09,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 19:03:09,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:09,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 19:03:09,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:03:09,086 INFO L87 Difference]: Start difference. First operand 796 states and 1118 transitions. Second operand has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 4 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:03:09,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:09,133 INFO L93 Difference]: Finished difference Result 796 states and 1118 transitions. [2025-03-17 19:03:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 19:03:09,133 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 4 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 247 [2025-03-17 19:03:09,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:09,136 INFO L225 Difference]: With dead ends: 796 [2025-03-17 19:03:09,136 INFO L226 Difference]: Without dead ends: 795 [2025-03-17 19:03:09,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 19:03:09,137 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 194 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:09,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 533 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 19:03:09,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2025-03-17 19:03:09,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 795. [2025-03-17 19:03:09,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 778 states have (on average 1.4035989717223651) internal successors, (1092), 781 states have internal predecessors, (1092), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 19:03:09,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1116 transitions. [2025-03-17 19:03:09,155 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1116 transitions. Word has length 247 [2025-03-17 19:03:09,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:09,155 INFO L471 AbstractCegarLoop]: Abstraction has 795 states and 1116 transitions. [2025-03-17 19:03:09,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 55.333333333333336) internal successors, (166), 4 states have internal predecessors, (166), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:03:09,155 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1116 transitions. [2025-03-17 19:03:09,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2025-03-17 19:03:09,159 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:09,159 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:09,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 19:03:09,159 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:09,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:09,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2039090271, now seen corresponding path program 1 times [2025-03-17 19:03:09,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:09,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23775726] [2025-03-17 19:03:09,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:09,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:09,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-03-17 19:03:09,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-03-17 19:03:09,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:09,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:09,687 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 230 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:09,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:09,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23775726] [2025-03-17 19:03:09,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23775726] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:03:09,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129792336] [2025-03-17 19:03:09,688 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:09,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:03:09,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:03:09,690 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 19:03:09,692 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 19:03:09,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-03-17 19:03:10,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-03-17 19:03:10,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:10,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:10,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 19:03:10,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:03:10,367 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 230 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:10,367 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:03:10,640 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 230 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:10,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129792336] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:03:10,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:03:10,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-03-17 19:03:10,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978046968] [2025-03-17 19:03:10,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:03:10,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-17 19:03:10,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:10,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-17 19:03:10,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-17 19:03:10,644 INFO L87 Difference]: Start difference. First operand 795 states and 1116 transitions. Second operand has 18 states, 18 states have (on average 31.333333333333332) internal successors, (564), 18 states have internal predecessors, (564), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 19:03:10,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:10,986 INFO L93 Difference]: Finished difference Result 1385 states and 1949 transitions. [2025-03-17 19:03:10,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 19:03:10,986 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 31.333333333333332) internal successors, (564), 18 states have internal predecessors, (564), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 250 [2025-03-17 19:03:10,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:10,992 INFO L225 Difference]: With dead ends: 1385 [2025-03-17 19:03:10,992 INFO L226 Difference]: Without dead ends: 1380 [2025-03-17 19:03:10,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2025-03-17 19:03:10,993 INFO L435 NwaCegarLoop]: 339 mSDtfsCounter, 2626 mSDsluCounter, 2693 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2645 SdHoareTripleChecker+Valid, 3032 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:10,993 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2645 Valid, 3032 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 19:03:10,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2025-03-17 19:03:11,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1376. [2025-03-17 19:03:11,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 1350 states have (on average 1.405925925925926) internal successors, (1898), 1353 states have internal predecessors, (1898), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 19:03:11,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1940 transitions. [2025-03-17 19:03:11,029 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1940 transitions. Word has length 250 [2025-03-17 19:03:11,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:11,030 INFO L471 AbstractCegarLoop]: Abstraction has 1376 states and 1940 transitions. [2025-03-17 19:03:11,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 31.333333333333332) internal successors, (564), 18 states have internal predecessors, (564), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 19:03:11,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1940 transitions. [2025-03-17 19:03:11,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2025-03-17 19:03:11,034 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:11,034 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:11,042 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 19:03:11,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-03-17 19:03:11,235 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:11,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:11,237 INFO L85 PathProgramCache]: Analyzing trace with hash -473389703, now seen corresponding path program 1 times [2025-03-17 19:03:11,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:11,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69123615] [2025-03-17 19:03:11,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:11,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:11,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 328 statements into 1 equivalence classes. [2025-03-17 19:03:11,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 328 of 328 statements. [2025-03-17 19:03:11,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:11,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:13,273 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 472 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:13,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:13,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69123615] [2025-03-17 19:03:13,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69123615] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:03:13,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1016583723] [2025-03-17 19:03:13,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:13,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:03:13,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:03:13,277 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 19:03:13,278 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 19:03:13,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 328 statements into 1 equivalence classes. [2025-03-17 19:03:13,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 328 of 328 statements. [2025-03-17 19:03:13,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:13,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:13,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 1711 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-03-17 19:03:13,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:03:14,164 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 472 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:14,164 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:03:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 472 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:14,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1016583723] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:03:14,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:03:14,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-03-17 19:03:14,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22820595] [2025-03-17 19:03:14,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:03:14,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-03-17 19:03:14,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:14,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-03-17 19:03:14,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2025-03-17 19:03:14,531 INFO L87 Difference]: Start difference. First operand 1376 states and 1940 transitions. Second operand has 28 states, 27 states have (on average 24.296296296296298) internal successors, (656), 28 states have internal predecessors, (656), 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 19:03:15,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:15,064 INFO L93 Difference]: Finished difference Result 1975 states and 2795 transitions. [2025-03-17 19:03:15,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-17 19:03:15,065 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.296296296296298) internal successors, (656), 28 states have internal predecessors, (656), 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 328 [2025-03-17 19:03:15,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:15,072 INFO L225 Difference]: With dead ends: 1975 [2025-03-17 19:03:15,073 INFO L226 Difference]: Without dead ends: 1974 [2025-03-17 19:03:15,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 639 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2025-03-17 19:03:15,074 INFO L435 NwaCegarLoop]: 337 mSDtfsCounter, 2691 mSDsluCounter, 3634 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2714 SdHoareTripleChecker+Valid, 3971 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:15,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2714 Valid, 3971 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 19:03:15,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2025-03-17 19:03:15,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1964. [2025-03-17 19:03:15,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1964 states, 1929 states have (on average 1.405909797822706) internal successors, (2712), 1932 states have internal predecessors, (2712), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 19:03:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1964 states and 2772 transitions. [2025-03-17 19:03:15,120 INFO L78 Accepts]: Start accepts. Automaton has 1964 states and 2772 transitions. Word has length 328 [2025-03-17 19:03:15,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:15,121 INFO L471 AbstractCegarLoop]: Abstraction has 1964 states and 2772 transitions. [2025-03-17 19:03:15,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.296296296296298) internal successors, (656), 28 states have internal predecessors, (656), 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 19:03:15,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2772 transitions. [2025-03-17 19:03:15,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2025-03-17 19:03:15,126 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:15,126 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:15,140 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 19:03:15,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:03:15,330 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:15,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:15,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1790178584, now seen corresponding path program 1 times [2025-03-17 19:03:15,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:15,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834706699] [2025-03-17 19:03:15,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:15,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:15,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 329 statements into 1 equivalence classes. [2025-03-17 19:03:15,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 329 of 329 statements. [2025-03-17 19:03:15,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:15,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:17,041 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:17,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:17,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834706699] [2025-03-17 19:03:17,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834706699] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:03:17,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867762250] [2025-03-17 19:03:17,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:17,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:03:17,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:03:17,045 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 19:03:17,046 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 19:03:17,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 329 statements into 1 equivalence classes. [2025-03-17 19:03:17,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 329 of 329 statements. [2025-03-17 19:03:17,524 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:17,524 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:17,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-17 19:03:17,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:03:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:17,912 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:03:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:18,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1867762250] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:03:18,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:03:18,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 27 [2025-03-17 19:03:18,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761361504] [2025-03-17 19:03:18,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:03:18,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-03-17 19:03:18,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:18,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-03-17 19:03:18,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=498, Unknown=0, NotChecked=0, Total=756 [2025-03-17 19:03:18,214 INFO L87 Difference]: Start difference. First operand 1964 states and 2772 transitions. Second operand has 28 states, 27 states have (on average 24.40740740740741) internal successors, (659), 28 states have internal predecessors, (659), 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 19:03:18,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:18,685 INFO L93 Difference]: Finished difference Result 1975 states and 2789 transitions. [2025-03-17 19:03:18,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-03-17 19:03:18,686 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 24.40740740740741) internal successors, (659), 28 states have internal predecessors, (659), 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 329 [2025-03-17 19:03:18,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:18,692 INFO L225 Difference]: With dead ends: 1975 [2025-03-17 19:03:18,692 INFO L226 Difference]: Without dead ends: 1974 [2025-03-17 19:03:18,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 641 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=338, Invalid=718, Unknown=0, NotChecked=0, Total=1056 [2025-03-17 19:03:18,693 INFO L435 NwaCegarLoop]: 338 mSDtfsCounter, 2725 mSDsluCounter, 3854 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2748 SdHoareTripleChecker+Valid, 4192 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:18,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2748 Valid, 4192 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 19:03:18,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2025-03-17 19:03:18,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1965. [2025-03-17 19:03:18,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1965 states, 1930 states have (on average 1.4031088082901555) internal successors, (2708), 1933 states have internal predecessors, (2708), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 19:03:18,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2768 transitions. [2025-03-17 19:03:18,729 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2768 transitions. Word has length 329 [2025-03-17 19:03:18,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:18,729 INFO L471 AbstractCegarLoop]: Abstraction has 1965 states and 2768 transitions. [2025-03-17 19:03:18,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 24.40740740740741) internal successors, (659), 28 states have internal predecessors, (659), 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 19:03:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2768 transitions. [2025-03-17 19:03:18,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2025-03-17 19:03:18,737 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:18,738 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:18,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 19:03:18,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:03:18,938 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:18,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:18,939 INFO L85 PathProgramCache]: Analyzing trace with hash 531846559, now seen corresponding path program 2 times [2025-03-17 19:03:18,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:18,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401326609] [2025-03-17 19:03:18,939 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:03:18,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:19,063 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 558 statements into 2 equivalence classes. [2025-03-17 19:03:19,180 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 558 of 558 statements. [2025-03-17 19:03:19,180 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:03:19,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:20,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1616 backedges. 0 proven. 1612 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:20,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:20,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401326609] [2025-03-17 19:03:20,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401326609] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 19:03:20,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627500949] [2025-03-17 19:03:20,233 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 19:03:20,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 19:03:20,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 19:03:20,235 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 19:03:20,236 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 19:03:20,665 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 558 statements into 2 equivalence classes. [2025-03-17 19:03:20,941 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 558 of 558 statements. [2025-03-17 19:03:20,941 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 19:03:20,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:20,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 2807 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 19:03:20,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 19:03:21,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1616 backedges. 0 proven. 1612 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:21,389 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 19:03:21,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1616 backedges. 0 proven. 1612 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 19:03:21,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627500949] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 19:03:21,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 19:03:21,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2025-03-17 19:03:21,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803051291] [2025-03-17 19:03:21,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 19:03:21,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-03-17 19:03:21,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:21,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-03-17 19:03:21,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-03-17 19:03:21,874 INFO L87 Difference]: Start difference. First operand 1965 states and 2768 transitions. Second operand has 23 states, 23 states have (on average 34.69565217391305) internal successors, (798), 23 states have internal predecessors, (798), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 19:03:22,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:22,323 INFO L93 Difference]: Finished difference Result 1970 states and 2773 transitions. [2025-03-17 19:03:22,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-03-17 19:03:22,324 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 34.69565217391305) internal successors, (798), 23 states have internal predecessors, (798), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 558 [2025-03-17 19:03:22,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:22,330 INFO L225 Difference]: With dead ends: 1970 [2025-03-17 19:03:22,330 INFO L226 Difference]: Without dead ends: 1965 [2025-03-17 19:03:22,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1131 GetRequests, 1099 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2025-03-17 19:03:22,330 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 3169 mSDsluCounter, 3488 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3195 SdHoareTripleChecker+Valid, 3749 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:22,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3195 Valid, 3749 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 19:03:22,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1965 states. [2025-03-17 19:03:22,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1965 to 1965. [2025-03-17 19:03:22,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1965 states, 1930 states have (on average 1.4015544041450778) internal successors, (2705), 1933 states have internal predecessors, (2705), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 19:03:22,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1965 states and 2765 transitions. [2025-03-17 19:03:22,362 INFO L78 Accepts]: Start accepts. Automaton has 1965 states and 2765 transitions. Word has length 558 [2025-03-17 19:03:22,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:22,362 INFO L471 AbstractCegarLoop]: Abstraction has 1965 states and 2765 transitions. [2025-03-17 19:03:22,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 34.69565217391305) internal successors, (798), 23 states have internal predecessors, (798), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 19:03:22,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 2765 transitions. [2025-03-17 19:03:22,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 790 [2025-03-17 19:03:22,368 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:22,369 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:22,384 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 19:03:22,569 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,SelfDestructingSolverStorable14 [2025-03-17 19:03:22,569 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:22,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:22,570 INFO L85 PathProgramCache]: Analyzing trace with hash -624867304, now seen corresponding path program 3 times [2025-03-17 19:03:22,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:22,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425165636] [2025-03-17 19:03:22,570 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 19:03:22,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:22,738 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 789 statements into 12 equivalence classes. [2025-03-17 19:03:22,826 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 81 of 789 statements. [2025-03-17 19:03:22,826 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-17 19:03:22,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:23,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3461 backedges. 638 proven. 0 refuted. 0 times theorem prover too weak. 2823 trivial. 0 not checked. [2025-03-17 19:03:23,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:23,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425165636] [2025-03-17 19:03:23,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425165636] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:03:23,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:03:23,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 19:03:23,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90319122] [2025-03-17 19:03:23,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:03:23,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:03:23,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:23,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:03:23,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:03:23,055 INFO L87 Difference]: Start difference. First operand 1965 states and 2765 transitions. Second operand has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 6 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:03:23,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:23,508 INFO L93 Difference]: Finished difference Result 4186 states and 5861 transitions. [2025-03-17 19:03:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 19:03:23,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 6 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 789 [2025-03-17 19:03:23,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:23,514 INFO L225 Difference]: With dead ends: 4186 [2025-03-17 19:03:23,514 INFO L226 Difference]: Without dead ends: 2305 [2025-03-17 19:03:23,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:03:23,516 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 13 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:23,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 787 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 19:03:23,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2305 states. [2025-03-17 19:03:23,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2305 to 2265. [2025-03-17 19:03:23,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2265 states, 2230 states have (on average 1.3789237668161436) internal successors, (3075), 2233 states have internal predecessors, (3075), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 19:03:23,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 2265 states and 3135 transitions. [2025-03-17 19:03:23,588 INFO L78 Accepts]: Start accepts. Automaton has 2265 states and 3135 transitions. Word has length 789 [2025-03-17 19:03:23,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:23,589 INFO L471 AbstractCegarLoop]: Abstraction has 2265 states and 3135 transitions. [2025-03-17 19:03:23,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.166666666666668) internal successors, (163), 6 states have internal predecessors, (163), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:03:23,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 3135 transitions. [2025-03-17 19:03:23,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 800 [2025-03-17 19:03:23,594 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:23,595 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:23,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-17 19:03:23,595 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:23,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:23,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1063356940, now seen corresponding path program 1 times [2025-03-17 19:03:23,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:23,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775964308] [2025-03-17 19:03:23,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:23,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:23,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 799 statements into 1 equivalence classes. [2025-03-17 19:03:23,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 799 of 799 statements. [2025-03-17 19:03:23,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:23,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3506 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 3172 trivial. 0 not checked. [2025-03-17 19:03:24,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:24,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775964308] [2025-03-17 19:03:24,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775964308] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:03:24,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:03:24,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 19:03:24,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397358140] [2025-03-17 19:03:24,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:03:24,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 19:03:24,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:24,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 19:03:24,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:03:24,667 INFO L87 Difference]: Start difference. First operand 2265 states and 3135 transitions. Second operand has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:03:25,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:25,087 INFO L93 Difference]: Finished difference Result 4526 states and 6288 transitions. [2025-03-17 19:03:25,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 19:03:25,087 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 799 [2025-03-17 19:03:25,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:25,093 INFO L225 Difference]: With dead ends: 4526 [2025-03-17 19:03:25,093 INFO L226 Difference]: Without dead ends: 2385 [2025-03-17 19:03:25,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-17 19:03:25,095 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 14 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:25,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 946 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 19:03:25,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2385 states. [2025-03-17 19:03:25,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2385 to 2355. [2025-03-17 19:03:25,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2355 states, 2320 states have (on average 1.3814655172413792) internal successors, (3205), 2323 states have internal predecessors, (3205), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 19:03:25,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 2355 states and 3265 transitions. [2025-03-17 19:03:25,131 INFO L78 Accepts]: Start accepts. Automaton has 2355 states and 3265 transitions. Word has length 799 [2025-03-17 19:03:25,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:25,131 INFO L471 AbstractCegarLoop]: Abstraction has 2355 states and 3265 transitions. [2025-03-17 19:03:25,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.571428571428573) internal successors, (130), 7 states have internal predecessors, (130), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:03:25,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 3265 transitions. [2025-03-17 19:03:25,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 810 [2025-03-17 19:03:25,137 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:25,137 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:25,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-17 19:03:25,138 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:25,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:25,138 INFO L85 PathProgramCache]: Analyzing trace with hash -467594010, now seen corresponding path program 1 times [2025-03-17 19:03:25,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:25,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130332130] [2025-03-17 19:03:25,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:25,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:25,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 809 statements into 1 equivalence classes. [2025-03-17 19:03:25,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 809 of 809 statements. [2025-03-17 19:03:25,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:25,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:26,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 361 proven. 0 refuted. 0 times theorem prover too weak. 3190 trivial. 0 not checked. [2025-03-17 19:03:26,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:26,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130332130] [2025-03-17 19:03:26,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130332130] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:03:26,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:03:26,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2025-03-17 19:03:26,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933646181] [2025-03-17 19:03:26,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:03:26,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 19:03:26,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:26,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 19:03:26,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-17 19:03:26,789 INFO L87 Difference]: Start difference. First operand 2355 states and 3265 transitions. Second operand has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 9 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:03:27,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:27,375 INFO L93 Difference]: Finished difference Result 4722 states and 6561 transitions. [2025-03-17 19:03:27,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 19:03:27,378 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 9 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 809 [2025-03-17 19:03:27,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:27,386 INFO L225 Difference]: With dead ends: 4722 [2025-03-17 19:03:27,386 INFO L226 Difference]: Without dead ends: 2495 [2025-03-17 19:03:27,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-03-17 19:03:27,389 INFO L435 NwaCegarLoop]: 256 mSDtfsCounter, 31 mSDsluCounter, 1098 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1354 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:27,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 1354 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 19:03:27,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2025-03-17 19:03:27,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2435. [2025-03-17 19:03:27,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2435 states, 2400 states have (on average 1.3770833333333334) internal successors, (3305), 2403 states have internal predecessors, (3305), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 19:03:27,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 2435 states and 3365 transitions. [2025-03-17 19:03:27,439 INFO L78 Accepts]: Start accepts. Automaton has 2435 states and 3365 transitions. Word has length 809 [2025-03-17 19:03:27,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:27,439 INFO L471 AbstractCegarLoop]: Abstraction has 2435 states and 3365 transitions. [2025-03-17 19:03:27,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.88888888888889) internal successors, (134), 9 states have internal predecessors, (134), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:03:27,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 3365 transitions. [2025-03-17 19:03:27,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 810 [2025-03-17 19:03:27,480 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:27,480 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:27,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-17 19:03:27,481 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:27,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:27,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1956280034, now seen corresponding path program 1 times [2025-03-17 19:03:27,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:27,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266047811] [2025-03-17 19:03:27,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:27,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:27,743 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 809 statements into 1 equivalence classes. [2025-03-17 19:03:27,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 809 of 809 statements. [2025-03-17 19:03:27,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 19:03:27,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 19:03:28,879 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 3226 trivial. 0 not checked. [2025-03-17 19:03:28,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 19:03:28,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266047811] [2025-03-17 19:03:28,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266047811] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 19:03:28,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 19:03:28,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 19:03:28,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802617269] [2025-03-17 19:03:28,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 19:03:28,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 19:03:28,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 19:03:28,881 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 19:03:28,881 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:03:28,881 INFO L87 Difference]: Start difference. First operand 2435 states and 3365 transitions. Second operand has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:03:29,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 19:03:29,160 INFO L93 Difference]: Finished difference Result 4766 states and 6596 transitions. [2025-03-17 19:03:29,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 19:03:29,161 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 809 [2025-03-17 19:03:29,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 19:03:29,167 INFO L225 Difference]: With dead ends: 4766 [2025-03-17 19:03:29,167 INFO L226 Difference]: Without dead ends: 2465 [2025-03-17 19:03:29,170 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-17 19:03:29,170 INFO L435 NwaCegarLoop]: 257 mSDtfsCounter, 8 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 634 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 813 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 634 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 19:03:29,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 813 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 634 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 19:03:29,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2465 states. [2025-03-17 19:03:29,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2465 to 2465. [2025-03-17 19:03:29,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2465 states, 2430 states have (on average 1.3724279835390947) internal successors, (3335), 2433 states have internal predecessors, (3335), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 19:03:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 3395 transitions. [2025-03-17 19:03:29,214 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 3395 transitions. Word has length 809 [2025-03-17 19:03:29,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 19:03:29,215 INFO L471 AbstractCegarLoop]: Abstraction has 2465 states and 3395 transitions. [2025-03-17 19:03:29,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.666666666666668) internal successors, (130), 6 states have internal predecessors, (130), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 19:03:29,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 3395 transitions. [2025-03-17 19:03:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2025-03-17 19:03:29,248 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 19:03:29,249 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 19:03:29,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-17 19:03:29,253 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-17 19:03:29,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 19:03:29,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1346491348, now seen corresponding path program 1 times [2025-03-17 19:03:29,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 19:03:29,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937506917] [2025-03-17 19:03:29,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 19:03:29,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 19:03:29,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 819 statements into 1 equivalence classes.