./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/psyco/psyco_abp_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/psyco/psyco_abp_1-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 167b835a28653099821c6834c1cc6b8e30303efac27d569b21e43e89592d7586 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:45:52,523 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:45:52,620 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 18:45:52,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:45:52,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:45:52,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:45:52,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:45:52,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:45:52,655 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:45:52,656 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:45:52,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:45:52,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:45:52,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:45:52,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:45:52,658 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:45:52,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:45:52,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:45:52,659 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 18:45:52,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:45:52,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 18:45:52,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:45:52,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:45:52,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:45:52,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:45:52,662 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:45:52,662 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:45:52,662 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:45:52,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 18:45:52,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:45:52,663 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:45:52,663 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:45:52,663 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:45:52,664 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:45:52,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:45:52,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:45:52,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:45:52,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:45:52,669 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:45:52,670 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:45:52,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:45:52,670 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:45:52,671 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:45:52,671 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:45:52,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:45:52,672 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 167b835a28653099821c6834c1cc6b8e30303efac27d569b21e43e89592d7586 [2024-11-10 18:45:52,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:45:52,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:45:52,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:45:52,954 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:45:52,955 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:45:52,956 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_abp_1-2.c [2024-11-10 18:45:54,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:45:54,633 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:45:54,634 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_abp_1-2.c [2024-11-10 18:45:54,649 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/216ceef9b/1e6bc5cab15c4a1c85997564e7b46d5a/FLAG701028fbc [2024-11-10 18:45:54,661 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/216ceef9b/1e6bc5cab15c4a1c85997564e7b46d5a [2024-11-10 18:45:54,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:45:54,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:45:54,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:45:54,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:45:54,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:45:54,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:45:54" (1/1) ... [2024-11-10 18:45:54,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3502e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:54, skipping insertion in model container [2024-11-10 18:45:54,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:45:54" (1/1) ... [2024-11-10 18:45:54,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:45:55,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:45:55,057 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:45:55,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:45:55,153 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:45:55,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:55 WrapperNode [2024-11-10 18:45:55,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:45:55,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:45:55,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:45:55,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:45:55,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:55" (1/1) ... [2024-11-10 18:45:55,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:55" (1/1) ... [2024-11-10 18:45:55,222 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 508 [2024-11-10 18:45:55,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:45:55,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:45:55,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:45:55,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:45:55,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:55" (1/1) ... [2024-11-10 18:45:55,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:55" (1/1) ... [2024-11-10 18:45:55,242 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:55" (1/1) ... [2024-11-10 18:45:55,267 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 18:45:55,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:55" (1/1) ... [2024-11-10 18:45:55,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:55" (1/1) ... [2024-11-10 18:45:55,290 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:55" (1/1) ... [2024-11-10 18:45:55,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:55" (1/1) ... [2024-11-10 18:45:55,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:55" (1/1) ... [2024-11-10 18:45:55,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:55" (1/1) ... [2024-11-10 18:45:55,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:45:55,304 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:45:55,304 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:45:55,305 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:45:55,306 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:55" (1/1) ... [2024-11-10 18:45:55,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:45:55,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:45:55,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 18:45:55,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 18:45:55,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 18:45:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:45:55,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:45:55,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 18:45:55,485 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:45:55,487 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:45:56,372 INFO L? ?]: Removed 327 outVars from TransFormulas that were not future-live. [2024-11-10 18:45:56,372 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:45:56,394 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:45:56,394 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:45:56,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:45:56 BoogieIcfgContainer [2024-11-10 18:45:56,395 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:45:56,397 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:45:56,397 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:45:56,401 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:45:56,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:45:54" (1/3) ... [2024-11-10 18:45:56,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13acecb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:45:56, skipping insertion in model container [2024-11-10 18:45:56,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:45:55" (2/3) ... [2024-11-10 18:45:56,404 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13acecb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:45:56, skipping insertion in model container [2024-11-10 18:45:56,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:45:56" (3/3) ... [2024-11-10 18:45:56,406 INFO L112 eAbstractionObserver]: Analyzing ICFG psyco_abp_1-2.c [2024-11-10 18:45:56,428 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:45:56,428 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2024-11-10 18:45:56,505 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:45:56,511 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;@1b226e47, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:45:56,512 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2024-11-10 18:45:56,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 161 states have (on average 1.9006211180124224) internal successors, (306), 203 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:56,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 18:45:56,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:45:56,526 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:45:56,527 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:45:56,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:45:56,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1259437506, now seen corresponding path program 1 times [2024-11-10 18:45:56,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:45:56,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645839421] [2024-11-10 18:45:56,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:45:56,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:45:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:45:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:45:56,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:45:56,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645839421] [2024-11-10 18:45:56,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645839421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:45:56,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:45:56,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:45:56,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920388016] [2024-11-10 18:45:56,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:45:56,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:45:56,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:45:56,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:45:56,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:45:56,819 INFO L87 Difference]: Start difference. First operand has 204 states, 161 states have (on average 1.9006211180124224) internal successors, (306), 203 states have internal predecessors, (306), 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) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:56,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:45:56,913 INFO L93 Difference]: Finished difference Result 409 states and 616 transitions. [2024-11-10 18:45:56,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:45:56,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2024-11-10 18:45:56,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:45:56,927 INFO L225 Difference]: With dead ends: 409 [2024-11-10 18:45:56,927 INFO L226 Difference]: Without dead ends: 176 [2024-11-10 18:45:56,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:45:56,936 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 4 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:45:56,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 577 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:45:56,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-10 18:45:56,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-10 18:45:56,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 134 states have (on average 1.6343283582089552) internal successors, (219), 175 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:56,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 219 transitions. [2024-11-10 18:45:56,990 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 219 transitions. Word has length 11 [2024-11-10 18:45:56,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:45:56,990 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 219 transitions. [2024-11-10 18:45:56,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:56,991 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 219 transitions. [2024-11-10 18:45:56,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-10 18:45:56,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:45:56,992 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:45:56,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:45:56,993 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:45:56,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:45:56,994 INFO L85 PathProgramCache]: Analyzing trace with hash 59102874, now seen corresponding path program 1 times [2024-11-10 18:45:56,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:45:56,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295317237] [2024-11-10 18:45:56,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:45:56,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:45:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:45:57,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:45:57,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:45:57,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295317237] [2024-11-10 18:45:57,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295317237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:45:57,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:45:57,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:45:57,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81668079] [2024-11-10 18:45:57,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:45:57,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:45:57,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:45:57,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:45:57,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:45:57,141 INFO L87 Difference]: Start difference. First operand 176 states and 219 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:57,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:45:57,322 INFO L93 Difference]: Finished difference Result 339 states and 425 transitions. [2024-11-10 18:45:57,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:45:57,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2024-11-10 18:45:57,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:45:57,325 INFO L225 Difference]: With dead ends: 339 [2024-11-10 18:45:57,325 INFO L226 Difference]: Without dead ends: 279 [2024-11-10 18:45:57,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:45:57,327 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 157 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:45:57,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 336 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:45:57,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-10 18:45:57,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 267. [2024-11-10 18:45:57,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 225 states have (on average 1.5822222222222222) internal successors, (356), 266 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:57,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 356 transitions. [2024-11-10 18:45:57,348 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 356 transitions. Word has length 17 [2024-11-10 18:45:57,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:45:57,348 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 356 transitions. [2024-11-10 18:45:57,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:57,349 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 356 transitions. [2024-11-10 18:45:57,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-10 18:45:57,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:45:57,350 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:45:57,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:45:57,350 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:45:57,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:45:57,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1384976968, now seen corresponding path program 1 times [2024-11-10 18:45:57,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:45:57,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276285679] [2024-11-10 18:45:57,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:45:57,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:45:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:45:57,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:45:57,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:45:57,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276285679] [2024-11-10 18:45:57,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276285679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:45:57,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:45:57,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:45:57,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865080451] [2024-11-10 18:45:57,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:45:57,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:45:57,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:45:57,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:45:57,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:45:57,450 INFO L87 Difference]: Start difference. First operand 267 states and 356 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:57,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:45:57,519 INFO L93 Difference]: Finished difference Result 380 states and 512 transitions. [2024-11-10 18:45:57,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:45:57,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2024-11-10 18:45:57,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:45:57,522 INFO L225 Difference]: With dead ends: 380 [2024-11-10 18:45:57,522 INFO L226 Difference]: Without dead ends: 372 [2024-11-10 18:45:57,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:45:57,524 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 130 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:45:57,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 392 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:45:57,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2024-11-10 18:45:57,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 362. [2024-11-10 18:45:57,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 320 states have (on average 1.540625) internal successors, (493), 361 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:57,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 493 transitions. [2024-11-10 18:45:57,553 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 493 transitions. Word has length 20 [2024-11-10 18:45:57,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:45:57,554 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 493 transitions. [2024-11-10 18:45:57,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:57,554 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 493 transitions. [2024-11-10 18:45:57,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 18:45:57,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:45:57,555 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:45:57,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:45:57,556 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:45:57,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:45:57,556 INFO L85 PathProgramCache]: Analyzing trace with hash 702114062, now seen corresponding path program 1 times [2024-11-10 18:45:57,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:45:57,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725251400] [2024-11-10 18:45:57,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:45:57,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:45:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:45:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-10 18:45:57,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:45:57,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725251400] [2024-11-10 18:45:57,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725251400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:45:57,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:45:57,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:45:57,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105859454] [2024-11-10 18:45:57,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:45:57,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:45:57,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:45:57,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:45:57,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:45:57,685 INFO L87 Difference]: Start difference. First operand 362 states and 493 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:57,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:45:57,718 INFO L93 Difference]: Finished difference Result 739 states and 1013 transitions. [2024-11-10 18:45:57,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:45:57,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 30 [2024-11-10 18:45:57,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:45:57,721 INFO L225 Difference]: With dead ends: 739 [2024-11-10 18:45:57,721 INFO L226 Difference]: Without dead ends: 380 [2024-11-10 18:45:57,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:45:57,726 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 40 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:45:57,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 370 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:45:57,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2024-11-10 18:45:57,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2024-11-10 18:45:57,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 338 states have (on average 1.5118343195266273) internal successors, (511), 379 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:57,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 511 transitions. [2024-11-10 18:45:57,747 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 511 transitions. Word has length 30 [2024-11-10 18:45:57,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:45:57,748 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 511 transitions. [2024-11-10 18:45:57,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:57,748 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 511 transitions. [2024-11-10 18:45:57,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 18:45:57,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:45:57,754 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:45:57,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:45:57,755 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:45:57,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:45:57,755 INFO L85 PathProgramCache]: Analyzing trace with hash 709154791, now seen corresponding path program 1 times [2024-11-10 18:45:57,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:45:57,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687304754] [2024-11-10 18:45:57,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:45:57,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:45:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:45:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:45:57,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:45:57,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687304754] [2024-11-10 18:45:57,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687304754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:45:57,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591938078] [2024-11-10 18:45:57,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:45:57,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:45:57,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:45:57,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:45:57,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:45:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:45:57,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:45:57,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:45:58,035 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:45:58,036 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:45:58,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591938078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:45:58,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:45:58,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-10 18:45:58,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460566560] [2024-11-10 18:45:58,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:45:58,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:45:58,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:45:58,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:45:58,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:45:58,038 INFO L87 Difference]: Start difference. First operand 380 states and 511 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:58,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:45:58,157 INFO L93 Difference]: Finished difference Result 392 states and 520 transitions. [2024-11-10 18:45:58,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:45:58,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2024-11-10 18:45:58,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:45:58,159 INFO L225 Difference]: With dead ends: 392 [2024-11-10 18:45:58,159 INFO L226 Difference]: Without dead ends: 375 [2024-11-10 18:45:58,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:45:58,161 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 290 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:45:58,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 405 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:45:58,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2024-11-10 18:45:58,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 363. [2024-11-10 18:45:58,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 338 states have (on average 1.4615384615384615) internal successors, (494), 362 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:58,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 494 transitions. [2024-11-10 18:45:58,169 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 494 transitions. Word has length 33 [2024-11-10 18:45:58,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:45:58,170 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 494 transitions. [2024-11-10 18:45:58,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:58,170 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 494 transitions. [2024-11-10 18:45:58,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 18:45:58,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:45:58,172 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-10 18:45:58,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 18:45:58,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:45:58,373 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:45:58,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:45:58,373 INFO L85 PathProgramCache]: Analyzing trace with hash 508961181, now seen corresponding path program 1 times [2024-11-10 18:45:58,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:45:58,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844042302] [2024-11-10 18:45:58,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:45:58,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:45:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:45:58,422 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-10 18:45:58,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:45:58,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844042302] [2024-11-10 18:45:58,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844042302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:45:58,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:45:58,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:45:58,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194705607] [2024-11-10 18:45:58,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:45:58,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:45:58,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:45:58,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:45:58,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:45:58,426 INFO L87 Difference]: Start difference. First operand 363 states and 494 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:58,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:45:58,438 INFO L93 Difference]: Finished difference Result 726 states and 988 transitions. [2024-11-10 18:45:58,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:45:58,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 34 [2024-11-10 18:45:58,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:45:58,440 INFO L225 Difference]: With dead ends: 726 [2024-11-10 18:45:58,440 INFO L226 Difference]: Without dead ends: 363 [2024-11-10 18:45:58,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:45:58,441 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 0 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:45:58,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 390 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:45:58,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-10 18:45:58,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-11-10 18:45:58,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 338 states have (on average 1.452662721893491) internal successors, (491), 362 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:58,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 491 transitions. [2024-11-10 18:45:58,449 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 491 transitions. Word has length 34 [2024-11-10 18:45:58,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:45:58,449 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 491 transitions. [2024-11-10 18:45:58,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:58,450 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 491 transitions. [2024-11-10 18:45:58,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 18:45:58,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:45:58,451 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-10 18:45:58,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:45:58,452 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:45:58,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:45:58,452 INFO L85 PathProgramCache]: Analyzing trace with hash 508962274, now seen corresponding path program 1 times [2024-11-10 18:45:58,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:45:58,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410581491] [2024-11-10 18:45:58,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:45:58,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:45:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:45:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:45:58,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:45:58,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410581491] [2024-11-10 18:45:58,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410581491] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:45:58,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690027340] [2024-11-10 18:45:58,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:45:58,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:45:58,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:45:58,538 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:45:58,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:45:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:45:58,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:45:58,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:45:58,690 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:45:58,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:45:58,758 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:45:58,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690027340] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:45:58,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:45:58,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 18:45:58,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926862918] [2024-11-10 18:45:58,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:45:58,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:45:58,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:45:58,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:45:58,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:45:58,761 INFO L87 Difference]: Start difference. First operand 363 states and 491 transitions. Second operand has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:58,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:45:58,967 INFO L93 Difference]: Finished difference Result 665 states and 906 transitions. [2024-11-10 18:45:58,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:45:58,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 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 34 [2024-11-10 18:45:58,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:45:58,970 INFO L225 Difference]: With dead ends: 665 [2024-11-10 18:45:58,970 INFO L226 Difference]: Without dead ends: 570 [2024-11-10 18:45:58,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:45:58,971 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 889 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 889 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:45:58,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [889 Valid, 600 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:45:58,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2024-11-10 18:45:58,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 427. [2024-11-10 18:45:58,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 417 states have (on average 1.4484412470023982) internal successors, (604), 426 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:58,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 604 transitions. [2024-11-10 18:45:58,981 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 604 transitions. Word has length 34 [2024-11-10 18:45:58,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:45:58,981 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 604 transitions. [2024-11-10 18:45:58,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:58,982 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 604 transitions. [2024-11-10 18:45:58,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-10 18:45:58,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:45:58,983 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-10 18:45:58,999 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 18:45:59,187 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,SelfDestructingSolverStorable6 [2024-11-10 18:45:59,188 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:45:59,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:45:59,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1260780192, now seen corresponding path program 1 times [2024-11-10 18:45:59,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:45:59,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981626580] [2024-11-10 18:45:59,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:45:59,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:45:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:45:59,250 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:45:59,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:45:59,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981626580] [2024-11-10 18:45:59,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981626580] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:45:59,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885610494] [2024-11-10 18:45:59,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:45:59,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:45:59,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:45:59,254 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:45:59,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:45:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:45:59,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:45:59,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:45:59,369 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:45:59,369 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:45:59,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:45:59,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885610494] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:45:59,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:45:59,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 18:45:59,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69781320] [2024-11-10 18:45:59,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:45:59,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:45:59,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:45:59,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:45:59,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:45:59,420 INFO L87 Difference]: Start difference. First operand 427 states and 604 transitions. Second operand has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:59,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:45:59,584 INFO L93 Difference]: Finished difference Result 756 states and 1074 transitions. [2024-11-10 18:45:59,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:45:59,584 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 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 37 [2024-11-10 18:45:59,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:45:59,590 INFO L225 Difference]: With dead ends: 756 [2024-11-10 18:45:59,590 INFO L226 Difference]: Without dead ends: 748 [2024-11-10 18:45:59,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:45:59,591 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 882 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 769 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:45:59,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 769 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:45:59,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-11-10 18:45:59,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 629. [2024-11-10 18:45:59,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 623 states have (on average 1.418940609951846) internal successors, (884), 628 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 884 transitions. [2024-11-10 18:45:59,608 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 884 transitions. Word has length 37 [2024-11-10 18:45:59,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:45:59,609 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 884 transitions. [2024-11-10 18:45:59,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 7 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:45:59,609 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 884 transitions. [2024-11-10 18:45:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-10 18:45:59,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:45:59,611 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:45:59,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:45:59,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:45:59,812 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:45:59,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:45:59,812 INFO L85 PathProgramCache]: Analyzing trace with hash 429480511, now seen corresponding path program 1 times [2024-11-10 18:45:59,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:45:59,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558810635] [2024-11-10 18:45:59,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:45:59,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:45:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:45:59,865 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:45:59,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:45:59,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558810635] [2024-11-10 18:45:59,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558810635] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:45:59,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794763816] [2024-11-10 18:45:59,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:45:59,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:45:59,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:45:59,868 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:45:59,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:45:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:45:59,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:45:59,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:46:00,004 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:46:00,004 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:46:00,062 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:46:00,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794763816] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:46:00,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:46:00,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-10 18:46:00,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336060988] [2024-11-10 18:46:00,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:46:00,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:46:00,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:46:00,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:46:00,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:46:00,064 INFO L87 Difference]: Start difference. First operand 629 states and 884 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:46:00,134 INFO L93 Difference]: Finished difference Result 740 states and 1037 transitions. [2024-11-10 18:46:00,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:46:00,134 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 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 38 [2024-11-10 18:46:00,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:46:00,137 INFO L225 Difference]: With dead ends: 740 [2024-11-10 18:46:00,137 INFO L226 Difference]: Without dead ends: 736 [2024-11-10 18:46:00,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:46:00,139 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 740 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:46:00,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 268 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:46:00,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-10 18:46:00,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 318. [2024-11-10 18:46:00,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 316 states have (on average 1.3987341772151898) internal successors, (442), 317 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 442 transitions. [2024-11-10 18:46:00,149 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 442 transitions. Word has length 38 [2024-11-10 18:46:00,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:46:00,149 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 442 transitions. [2024-11-10 18:46:00,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 442 transitions. [2024-11-10 18:46:00,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-10 18:46:00,151 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:46:00,151 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:46:00,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:46:00,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:46:00,356 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:46:00,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:46:00,356 INFO L85 PathProgramCache]: Analyzing trace with hash -447210598, now seen corresponding path program 1 times [2024-11-10 18:46:00,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:46:00,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446526307] [2024-11-10 18:46:00,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:46:00,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:46:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:46:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-10 18:46:00,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:46:00,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446526307] [2024-11-10 18:46:00,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446526307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:46:00,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:46:00,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:46:00,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848752142] [2024-11-10 18:46:00,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:46:00,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:46:00,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:46:00,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:46:00,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:46:00,414 INFO L87 Difference]: Start difference. First operand 318 states and 442 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:46:00,438 INFO L93 Difference]: Finished difference Result 559 states and 779 transitions. [2024-11-10 18:46:00,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:46:00,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 56 [2024-11-10 18:46:00,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:46:00,440 INFO L225 Difference]: With dead ends: 559 [2024-11-10 18:46:00,440 INFO L226 Difference]: Without dead ends: 244 [2024-11-10 18:46:00,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:46:00,442 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 23 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:46:00,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 256 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:46:00,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-10 18:46:00,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2024-11-10 18:46:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 242 states have (on average 1.3801652892561984) internal successors, (334), 243 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 334 transitions. [2024-11-10 18:46:00,449 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 334 transitions. Word has length 56 [2024-11-10 18:46:00,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:46:00,449 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 334 transitions. [2024-11-10 18:46:00,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 334 transitions. [2024-11-10 18:46:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 18:46:00,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:46:00,450 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:46:00,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 18:46:00,451 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:46:00,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:46:00,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1580694294, now seen corresponding path program 1 times [2024-11-10 18:46:00,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:46:00,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064513547] [2024-11-10 18:46:00,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:46:00,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:46:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:46:00,548 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-10 18:46:00,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:46:00,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064513547] [2024-11-10 18:46:00,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064513547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:46:00,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:46:00,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:46:00,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492740855] [2024-11-10 18:46:00,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:46:00,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:46:00,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:46:00,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:46:00,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:46:00,550 INFO L87 Difference]: Start difference. First operand 244 states and 334 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:46:00,582 INFO L93 Difference]: Finished difference Result 503 states and 695 transitions. [2024-11-10 18:46:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:46:00,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 67 [2024-11-10 18:46:00,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:46:00,583 INFO L225 Difference]: With dead ends: 503 [2024-11-10 18:46:00,583 INFO L226 Difference]: Without dead ends: 262 [2024-11-10 18:46:00,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:46:00,584 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 31 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:46:00,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 250 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:46:00,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-10 18:46:00,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2024-11-10 18:46:00,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 260 states have (on average 1.3615384615384616) internal successors, (354), 261 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 354 transitions. [2024-11-10 18:46:00,591 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 354 transitions. Word has length 67 [2024-11-10 18:46:00,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:46:00,591 INFO L471 AbstractCegarLoop]: Abstraction has 262 states and 354 transitions. [2024-11-10 18:46:00,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,592 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 354 transitions. [2024-11-10 18:46:00,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-10 18:46:00,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:46:00,593 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 3, 3, 3, 3, 3, 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] [2024-11-10 18:46:00,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 18:46:00,593 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:46:00,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:46:00,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1524477282, now seen corresponding path program 1 times [2024-11-10 18:46:00,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:46:00,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630340947] [2024-11-10 18:46:00,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:46:00,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:46:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:46:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-10 18:46:00,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:46:00,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630340947] [2024-11-10 18:46:00,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630340947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:46:00,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:46:00,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:46:00,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232799969] [2024-11-10 18:46:00,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:46:00,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:46:00,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:46:00,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:46:00,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:46:00,656 INFO L87 Difference]: Start difference. First operand 262 states and 354 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:46:00,682 INFO L93 Difference]: Finished difference Result 497 states and 669 transitions. [2024-11-10 18:46:00,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:46:00,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 78 [2024-11-10 18:46:00,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:46:00,684 INFO L225 Difference]: With dead ends: 497 [2024-11-10 18:46:00,684 INFO L226 Difference]: Without dead ends: 238 [2024-11-10 18:46:00,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:46:00,685 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 58 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:46:00,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 186 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:46:00,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-10 18:46:00,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-11-10 18:46:00,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 236 states have (on average 1.3135593220338984) internal successors, (310), 237 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 310 transitions. [2024-11-10 18:46:00,692 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 310 transitions. Word has length 78 [2024-11-10 18:46:00,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:46:00,692 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 310 transitions. [2024-11-10 18:46:00,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,693 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 310 transitions. [2024-11-10 18:46:00,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 18:46:00,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:46:00,693 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:46:00,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 18:46:00,694 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:46:00,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:46:00,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1066456524, now seen corresponding path program 1 times [2024-11-10 18:46:00,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:46:00,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435991600] [2024-11-10 18:46:00,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:46:00,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:46:00,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:46:00,783 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-10 18:46:00,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:46:00,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435991600] [2024-11-10 18:46:00,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435991600] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:46:00,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:46:00,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:46:00,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810261726] [2024-11-10 18:46:00,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:46:00,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:46:00,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:46:00,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:46:00,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:46:00,785 INFO L87 Difference]: Start difference. First operand 238 states and 310 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:46:00,795 INFO L93 Difference]: Finished difference Result 370 states and 481 transitions. [2024-11-10 18:46:00,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:46:00,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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 87 [2024-11-10 18:46:00,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:46:00,797 INFO L225 Difference]: With dead ends: 370 [2024-11-10 18:46:00,797 INFO L226 Difference]: Without dead ends: 238 [2024-11-10 18:46:00,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:46:00,798 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 0 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:46:00,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 252 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:46:00,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-10 18:46:00,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-11-10 18:46:00,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 236 states have (on average 1.305084745762712) internal successors, (308), 237 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 308 transitions. [2024-11-10 18:46:00,804 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 308 transitions. Word has length 87 [2024-11-10 18:46:00,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:46:00,804 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 308 transitions. [2024-11-10 18:46:00,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:00,804 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 308 transitions. [2024-11-10 18:46:00,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-10 18:46:00,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:46:00,805 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:46:00,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 18:46:00,806 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:46:00,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:46:00,806 INFO L85 PathProgramCache]: Analyzing trace with hash -997121241, now seen corresponding path program 1 times [2024-11-10 18:46:00,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:46:00,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092719701] [2024-11-10 18:46:00,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:46:00,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:46:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:46:00,967 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 15 proven. 42 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-10 18:46:00,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:46:00,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092719701] [2024-11-10 18:46:00,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092719701] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:46:00,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [350888321] [2024-11-10 18:46:00,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:46:00,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:46:00,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:46:00,970 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:46:00,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:46:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:46:01,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:46:01,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:46:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 15 proven. 42 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-10 18:46:01,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:46:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 15 proven. 42 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-10 18:46:01,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [350888321] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:46:01,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:46:01,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-10 18:46:01,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349498178] [2024-11-10 18:46:01,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:46:01,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 18:46:01,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:46:01,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 18:46:01,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:46:01,314 INFO L87 Difference]: Start difference. First operand 238 states and 308 transitions. Second operand has 9 states, 8 states have (on average 20.875) internal successors, (167), 9 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:01,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:46:01,481 INFO L93 Difference]: Finished difference Result 664 states and 864 transitions. [2024-11-10 18:46:01,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:46:01,481 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 20.875) internal successors, (167), 9 states have internal predecessors, (167), 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 90 [2024-11-10 18:46:01,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:46:01,484 INFO L225 Difference]: With dead ends: 664 [2024-11-10 18:46:01,484 INFO L226 Difference]: Without dead ends: 662 [2024-11-10 18:46:01,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 176 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:46:01,485 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 653 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:46:01,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 830 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:46:01,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2024-11-10 18:46:01,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2024-11-10 18:46:01,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 660 states have (on average 1.2969696969696969) internal successors, (856), 661 states have internal predecessors, (856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:01,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 856 transitions. [2024-11-10 18:46:01,501 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 856 transitions. Word has length 90 [2024-11-10 18:46:01,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:46:01,501 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 856 transitions. [2024-11-10 18:46:01,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 20.875) internal successors, (167), 9 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 856 transitions. [2024-11-10 18:46:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-11-10 18:46:01,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:46:01,504 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 13, 9, 9, 6, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:46:01,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 18:46:01,708 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,SelfDestructingSolverStorable13 [2024-11-10 18:46:01,709 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:46:01,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:46:01,709 INFO L85 PathProgramCache]: Analyzing trace with hash -2139247807, now seen corresponding path program 2 times [2024-11-10 18:46:01,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:46:01,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121862707] [2024-11-10 18:46:01,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:46:01,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:46:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:46:02,349 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 39 proven. 528 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-10 18:46:02,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:46:02,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121862707] [2024-11-10 18:46:02,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121862707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:46:02,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523508453] [2024-11-10 18:46:02,349 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:46:02,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:46:02,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:46:02,351 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:46:02,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:46:02,535 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:46:02,535 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:46:02,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-10 18:46:02,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:46:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 39 proven. 528 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-10 18:46:02,820 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:46:03,170 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 39 proven. 528 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-10 18:46:03,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523508453] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:46:03,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:46:03,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-11-10 18:46:03,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301052119] [2024-11-10 18:46:03,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:46:03,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 18:46:03,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:46:03,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 18:46:03,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2024-11-10 18:46:03,173 INFO L87 Difference]: Start difference. First operand 662 states and 856 transitions. Second operand has 17 states, 16 states have (on average 26.4375) internal successors, (423), 17 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:03,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:46:03,563 INFO L93 Difference]: Finished difference Result 1512 states and 1968 transitions. [2024-11-10 18:46:03,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 18:46:03,564 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 26.4375) internal successors, (423), 17 states have internal predecessors, (423), 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 234 [2024-11-10 18:46:03,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:46:03,571 INFO L225 Difference]: With dead ends: 1512 [2024-11-10 18:46:03,571 INFO L226 Difference]: Without dead ends: 1510 [2024-11-10 18:46:03,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 464 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2024-11-10 18:46:03,573 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 1986 mSDsluCounter, 1446 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:46:03,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 1558 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 18:46:03,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2024-11-10 18:46:03,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1510. [2024-11-10 18:46:03,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1508 states have (on average 1.2944297082228118) internal successors, (1952), 1509 states have internal predecessors, (1952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 1952 transitions. [2024-11-10 18:46:03,599 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 1952 transitions. Word has length 234 [2024-11-10 18:46:03,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:46:03,600 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 1952 transitions. [2024-11-10 18:46:03,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 26.4375) internal successors, (423), 17 states have internal predecessors, (423), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:03,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1952 transitions. [2024-11-10 18:46:03,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2024-11-10 18:46:03,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:46:03,609 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 29, 21, 21, 14, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:46:03,626 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 18:46:03,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-10 18:46:03,813 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:46:03,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:46:03,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1472364683, now seen corresponding path program 3 times [2024-11-10 18:46:03,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:46:03,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223666742] [2024-11-10 18:46:03,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:46:03,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:46:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:46:05,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3265 backedges. 87 proven. 3108 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-10 18:46:05,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:46:05,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223666742] [2024-11-10 18:46:05,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223666742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:46:05,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [818288564] [2024-11-10 18:46:05,898 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:46:05,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:46:05,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:46:05,900 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:46:05,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:46:06,063 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-10 18:46:06,063 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:46:06,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:46:06,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:46:06,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3265 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 2835 trivial. 0 not checked. [2024-11-10 18:46:06,233 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:46:06,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [818288564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:46:06,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:46:06,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 20 [2024-11-10 18:46:06,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628891123] [2024-11-10 18:46:06,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:46:06,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:46:06,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:46:06,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:46:06,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=241, Unknown=0, NotChecked=0, Total=420 [2024-11-10 18:46:06,235 INFO L87 Difference]: Start difference. First operand 1510 states and 1952 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:06,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:46:06,332 INFO L93 Difference]: Finished difference Result 1510 states and 1952 transitions. [2024-11-10 18:46:06,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:46:06,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 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 522 [2024-11-10 18:46:06,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:46:06,338 INFO L225 Difference]: With dead ends: 1510 [2024-11-10 18:46:06,338 INFO L226 Difference]: Without dead ends: 1509 [2024-11-10 18:46:06,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 532 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=185, Invalid=277, Unknown=0, NotChecked=0, Total=462 [2024-11-10 18:46:06,339 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 164 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:46:06,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 291 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:46:06,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2024-11-10 18:46:06,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1454. [2024-11-10 18:46:06,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1454 states, 1453 states have (on average 1.2945629731589814) internal successors, (1881), 1453 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:06,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 1881 transitions. [2024-11-10 18:46:06,365 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 1881 transitions. Word has length 522 [2024-11-10 18:46:06,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:46:06,366 INFO L471 AbstractCegarLoop]: Abstraction has 1454 states and 1881 transitions. [2024-11-10 18:46:06,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:06,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1881 transitions. [2024-11-10 18:46:06,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2024-11-10 18:46:06,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:46:06,374 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 30, 22, 22, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:46:06,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 18:46:06,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:46:06,575 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:46:06,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:46:06,576 INFO L85 PathProgramCache]: Analyzing trace with hash 226354945, now seen corresponding path program 1 times [2024-11-10 18:46:06,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:46:06,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636035162] [2024-11-10 18:46:06,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:46:06,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:46:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:46:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 3507 backedges. 885 proven. 0 refuted. 0 times theorem prover too weak. 2622 trivial. 0 not checked. [2024-11-10 18:46:06,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:46:06,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636035162] [2024-11-10 18:46:06,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636035162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:46:06,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:46:06,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:46:06,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85295753] [2024-11-10 18:46:06,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:46:06,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:46:06,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:46:06,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:46:06,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:46:06,816 INFO L87 Difference]: Start difference. First operand 1454 states and 1881 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:06,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:46:06,845 INFO L93 Difference]: Finished difference Result 2205 states and 2850 transitions. [2024-11-10 18:46:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:46:06,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 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 539 [2024-11-10 18:46:06,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:46:06,849 INFO L225 Difference]: With dead ends: 2205 [2024-11-10 18:46:06,849 INFO L226 Difference]: Without dead ends: 809 [2024-11-10 18:46:06,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:46:06,853 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 20 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:46:06,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 215 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:46:06,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2024-11-10 18:46:06,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 809. [2024-11-10 18:46:06,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 808 states have (on average 1.2797029702970297) internal successors, (1034), 808 states have internal predecessors, (1034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:06,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1034 transitions. [2024-11-10 18:46:06,867 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1034 transitions. Word has length 539 [2024-11-10 18:46:06,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:46:06,868 INFO L471 AbstractCegarLoop]: Abstraction has 809 states and 1034 transitions. [2024-11-10 18:46:06,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:06,868 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1034 transitions. [2024-11-10 18:46:06,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2024-11-10 18:46:06,877 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:46:06,877 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 31, 23, 23, 15, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:46:06,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 18:46:06,878 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:46:06,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:46:06,878 INFO L85 PathProgramCache]: Analyzing trace with hash 978990789, now seen corresponding path program 2 times [2024-11-10 18:46:06,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:46:06,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497738403] [2024-11-10 18:46:06,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:46:06,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:46:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:46:08,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 93 proven. 3599 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-10 18:46:08,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:46:08,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497738403] [2024-11-10 18:46:08,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497738403] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:46:08,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610694535] [2024-11-10 18:46:08,849 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:46:08,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:46:08,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:46:08,851 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:46:08,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:46:09,241 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:46:09,242 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:46:09,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 1705 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-10 18:46:09,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:46:09,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 93 proven. 3599 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-10 18:46:09,871 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:46:10,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 93 proven. 3599 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-10 18:46:10,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610694535] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:46:10,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:46:10,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-10 18:46:10,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530661709] [2024-11-10 18:46:10,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:46:10,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-10 18:46:10,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:46:10,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-10 18:46:10,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 18:46:10,686 INFO L87 Difference]: Start difference. First operand 809 states and 1034 transitions. Second operand has 35 states, 34 states have (on average 29.323529411764707) internal successors, (997), 35 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:11,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:46:11,328 INFO L93 Difference]: Finished difference Result 1746 states and 2240 transitions. [2024-11-10 18:46:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-10 18:46:11,329 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 29.323529411764707) internal successors, (997), 35 states have internal predecessors, (997), 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 558 [2024-11-10 18:46:11,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:46:11,335 INFO L225 Difference]: With dead ends: 1746 [2024-11-10 18:46:11,335 INFO L226 Difference]: Without dead ends: 1745 [2024-11-10 18:46:11,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1146 GetRequests, 1112 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 18:46:11,337 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 2773 mSDsluCounter, 2627 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2773 SdHoareTripleChecker+Valid, 2738 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 18:46:11,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2773 Valid, 2738 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 18:46:11,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2024-11-10 18:46:11,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 1745. [2024-11-10 18:46:11,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1745 states, 1744 states have (on average 1.279243119266055) internal successors, (2231), 1744 states have internal predecessors, (2231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:11,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2231 transitions. [2024-11-10 18:46:11,364 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2231 transitions. Word has length 558 [2024-11-10 18:46:11,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:46:11,365 INFO L471 AbstractCegarLoop]: Abstraction has 1745 states and 2231 transitions. [2024-11-10 18:46:11,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 29.323529411764707) internal successors, (997), 35 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:11,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2231 transitions. [2024-11-10 18:46:11,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1207 [2024-11-10 18:46:11,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:46:11,376 INFO L215 NwaCegarLoop]: trace histogram [68, 68, 67, 50, 50, 33, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:46:11,395 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 18:46:11,576 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,SelfDestructingSolverStorable17 [2024-11-10 18:46:11,577 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:46:11,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:46:11,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1548925242, now seen corresponding path program 3 times [2024-11-10 18:46:11,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:46:11,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242717712] [2024-11-10 18:46:11,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:46:11,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:46:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:46:18,345 INFO L134 CoverageAnalysis]: Checked inductivity of 18231 backedges. 201 proven. 17864 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-10 18:46:18,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:46:18,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242717712] [2024-11-10 18:46:18,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242717712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:46:18,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412006021] [2024-11-10 18:46:18,346 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:46:18,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:46:18,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:46:18,347 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:46:18,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:46:19,504 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 31 check-sat command(s) [2024-11-10 18:46:19,505 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:46:19,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 3622 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-10 18:46:19,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:46:20,683 INFO L134 CoverageAnalysis]: Checked inductivity of 18231 backedges. 201 proven. 17864 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-10 18:46:20,684 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:46:22,973 INFO L134 CoverageAnalysis]: Checked inductivity of 18231 backedges. 201 proven. 17864 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-10 18:46:22,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412006021] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:46:22,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:46:22,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 70 [2024-11-10 18:46:22,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26258184] [2024-11-10 18:46:22,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:46:22,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2024-11-10 18:46:22,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:46:22,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2024-11-10 18:46:22,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2024-11-10 18:46:22,983 INFO L87 Difference]: Start difference. First operand 1745 states and 2231 transitions. Second operand has 71 states, 70 states have (on average 30.7) internal successors, (2149), 71 states have internal predecessors, (2149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:25,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:46:25,314 INFO L93 Difference]: Finished difference Result 3618 states and 4643 transitions. [2024-11-10 18:46:25,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-11-10 18:46:25,316 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 70 states have (on average 30.7) internal successors, (2149), 71 states have internal predecessors, (2149), 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 1206 [2024-11-10 18:46:25,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:46:25,327 INFO L225 Difference]: With dead ends: 3618 [2024-11-10 18:46:25,328 INFO L226 Difference]: Without dead ends: 3617 [2024-11-10 18:46:25,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2478 GetRequests, 2408 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2024-11-10 18:46:25,330 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 8450 mSDsluCounter, 5505 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8450 SdHoareTripleChecker+Valid, 5616 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:46:25,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8450 Valid, 5616 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:46:25,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3617 states. [2024-11-10 18:46:25,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3617 to 3617. [2024-11-10 18:46:25,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3617 states, 3616 states have (on average 1.279037610619469) internal successors, (4625), 3616 states have internal predecessors, (4625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:25,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 3617 states and 4625 transitions. [2024-11-10 18:46:25,383 INFO L78 Accepts]: Start accepts. Automaton has 3617 states and 4625 transitions. Word has length 1206 [2024-11-10 18:46:25,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:46:25,384 INFO L471 AbstractCegarLoop]: Abstraction has 3617 states and 4625 transitions. [2024-11-10 18:46:25,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 70 states have (on average 30.7) internal successors, (2149), 71 states have internal predecessors, (2149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:46:25,385 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 4625 transitions. [2024-11-10 18:46:25,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2503 [2024-11-10 18:46:25,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:46:25,419 INFO L215 NwaCegarLoop]: trace histogram [140, 140, 139, 104, 104, 69, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:46:25,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 18:46:25,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:46:25,620 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2024-11-10 18:46:25,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:46:25,620 INFO L85 PathProgramCache]: Analyzing trace with hash 237911844, now seen corresponding path program 4 times [2024-11-10 18:46:25,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:46:25,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33112124] [2024-11-10 18:46:25,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:46:25,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:46:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:46:57,275 INFO L134 CoverageAnalysis]: Checked inductivity of 79719 backedges. 417 proven. 78956 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-10 18:46:57,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:46:57,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33112124] [2024-11-10 18:46:57,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33112124] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:46:57,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353720831] [2024-11-10 18:46:57,276 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 18:46:57,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:46:57,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:46:57,278 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:46:57,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 18:46:58,612 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 18:46:58,612 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:46:58,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 7456 conjuncts, 140 conjuncts are in the unsatisfiable core [2024-11-10 18:46:58,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:47:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 79719 backedges. 417 proven. 78956 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-10 18:47:00,798 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:47:07,508 INFO L134 CoverageAnalysis]: Checked inductivity of 79719 backedges. 417 proven. 78956 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-10 18:47:07,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353720831] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:47:07,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:47:07,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 142 [2024-11-10 18:47:07,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898268209] [2024-11-10 18:47:07,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:47:07,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 143 states [2024-11-10 18:47:07,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:47:07,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2024-11-10 18:47:07,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2024-11-10 18:47:07,528 INFO L87 Difference]: Start difference. First operand 3617 states and 4625 transitions. Second operand has 143 states, 142 states have (on average 31.359154929577464) internal successors, (4453), 143 states have internal predecessors, (4453), 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)