./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.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 173419c809fa8cb7fa094fdfc7b5765802a9a2fdebfe9d0a53cd745fd0c573d2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:21:46,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:21:46,493 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:21:46,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:21:46,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:21:46,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:21:46,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:21:46,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:21:46,521 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:21:46,521 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:21:46,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:21:46,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:21:46,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:21:46,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:21:46,522 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:21:46,523 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:21:46,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:21:46,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:21:46,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:21:46,523 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:21:46,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:21:46,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:21:46,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:21:46,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:21:46,527 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:21:46,528 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:21:46,528 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:21:46,528 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:21:46,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:21:46,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:21:46,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:21:46,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:21:46,529 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:21:46,529 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:21:46,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:21:46,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:21:46,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:21:46,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:21:46,529 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:21:46,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:21:46,530 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:21:46,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:21:46,531 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:21:46,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:21:46,531 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 173419c809fa8cb7fa094fdfc7b5765802a9a2fdebfe9d0a53cd745fd0c573d2 [2024-10-13 13:21:46,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:21:46,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:21:46,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:21:46,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:21:46,748 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:21:46,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c [2024-10-13 13:21:47,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:21:48,041 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:21:48,042 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound5.c [2024-10-13 13:21:48,047 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01de9199a/83572bb19f324f87ba940fc72f087868/FLAG60d25f531 [2024-10-13 13:21:48,474 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01de9199a/83572bb19f324f87ba940fc72f087868 [2024-10-13 13:21:48,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:21:48,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:21:48,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:21:48,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:21:48,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:21:48,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:21:48" (1/1) ... [2024-10-13 13:21:48,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a10d9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48, skipping insertion in model container [2024-10-13 13:21:48,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:21:48" (1/1) ... [2024-10-13 13:21:48,501 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:21:48,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:21:48,664 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:21:48,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:21:48,695 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:21:48,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48 WrapperNode [2024-10-13 13:21:48,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:21:48,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:21:48,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:21:48,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:21:48,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48" (1/1) ... [2024-10-13 13:21:48,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48" (1/1) ... [2024-10-13 13:21:48,730 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 195 [2024-10-13 13:21:48,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:21:48,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:21:48,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:21:48,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:21:48,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48" (1/1) ... [2024-10-13 13:21:48,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48" (1/1) ... [2024-10-13 13:21:48,743 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48" (1/1) ... [2024-10-13 13:21:48,759 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 13:21:48,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48" (1/1) ... [2024-10-13 13:21:48,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48" (1/1) ... [2024-10-13 13:21:48,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48" (1/1) ... [2024-10-13 13:21:48,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48" (1/1) ... [2024-10-13 13:21:48,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48" (1/1) ... [2024-10-13 13:21:48,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48" (1/1) ... [2024-10-13 13:21:48,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:21:48,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:21:48,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:21:48,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:21:48,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48" (1/1) ... [2024-10-13 13:21:48,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:21:48,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:48,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 13:21:48,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 13:21:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 13:21:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 13:21:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:21:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:21:48,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 13:21:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 13:21:48,889 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:21:48,891 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:21:49,580 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-10-13 13:21:49,581 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:21:49,617 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:21:49,617 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 13:21:49,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:21:49 BoogieIcfgContainer [2024-10-13 13:21:49,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:21:49,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:21:49,620 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:21:49,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:21:49,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:21:48" (1/3) ... [2024-10-13 13:21:49,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2566b42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:21:49, skipping insertion in model container [2024-10-13 13:21:49,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:21:48" (2/3) ... [2024-10-13 13:21:49,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2566b42f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:21:49, skipping insertion in model container [2024-10-13 13:21:49,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:21:49" (3/3) ... [2024-10-13 13:21:49,626 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound5.c [2024-10-13 13:21:49,637 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:21:49,638 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2024-10-13 13:21:49,688 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:21:49,692 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;@79fbc85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:21:49,692 INFO L334 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2024-10-13 13:21:49,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 301 states, 148 states have (on average 1.972972972972973) internal successors, (292), 288 states have internal predecessors, (292), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-13 13:21:49,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-13 13:21:49,699 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:49,700 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-13 13:21:49,700 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:49,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:49,704 INFO L85 PathProgramCache]: Analyzing trace with hash 368288, now seen corresponding path program 1 times [2024-10-13 13:21:49,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:49,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347108546] [2024-10-13 13:21:49,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:49,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:49,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:21:49,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:49,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347108546] [2024-10-13 13:21:49,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347108546] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:49,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:49,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:21:49,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536056893] [2024-10-13 13:21:49,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:49,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:21:49,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:49,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:21:49,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:49,940 INFO L87 Difference]: Start difference. First operand has 301 states, 148 states have (on average 1.972972972972973) internal successors, (292), 288 states have internal predecessors, (292), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-10-13 13:21:50,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:50,030 INFO L93 Difference]: Finished difference Result 598 states and 646 transitions. [2024-10-13 13:21:50,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:21:50,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-10-13 13:21:50,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:50,040 INFO L225 Difference]: With dead ends: 598 [2024-10-13 13:21:50,040 INFO L226 Difference]: Without dead ends: 295 [2024-10-13 13:21:50,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:21:50,047 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 4 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:50,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 895 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:21:50,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-10-13 13:21:50,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-10-13 13:21:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 151 states have (on average 1.8874172185430464) internal successors, (285), 283 states have internal predecessors, (285), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-13 13:21:50,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 305 transitions. [2024-10-13 13:21:50,089 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 305 transitions. Word has length 3 [2024-10-13 13:21:50,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:50,089 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 305 transitions. [2024-10-13 13:21:50,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2024-10-13 13:21:50,089 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 305 transitions. [2024-10-13 13:21:50,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 13:21:50,090 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:50,090 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 13:21:50,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:21:50,090 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:50,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:50,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1913193205, now seen corresponding path program 1 times [2024-10-13 13:21:50,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:50,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018874624] [2024-10-13 13:21:50,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:50,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:50,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:21:50,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:50,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018874624] [2024-10-13 13:21:50,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018874624] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:50,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:50,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 13:21:50,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615266347] [2024-10-13 13:21:50,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:50,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:21:50,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:50,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:21:50,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:50,138 INFO L87 Difference]: Start difference. First operand 295 states and 305 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:21:50,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:50,265 INFO L93 Difference]: Finished difference Result 563 states and 583 transitions. [2024-10-13 13:21:50,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:21:50,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-13 13:21:50,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:50,269 INFO L225 Difference]: With dead ends: 563 [2024-10-13 13:21:50,271 INFO L226 Difference]: Without dead ends: 543 [2024-10-13 13:21:50,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:50,272 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 237 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:50,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 631 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:21:50,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-10-13 13:21:50,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 353. [2024-10-13 13:21:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 204 states have (on average 1.7941176470588236) internal successors, (366), 336 states have internal predecessors, (366), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-13 13:21:50,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 396 transitions. [2024-10-13 13:21:50,296 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 396 transitions. Word has length 6 [2024-10-13 13:21:50,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:50,297 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 396 transitions. [2024-10-13 13:21:50,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:21:50,297 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 396 transitions. [2024-10-13 13:21:50,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-13 13:21:50,298 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:50,298 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:50,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 13:21:50,299 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:50,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:50,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1848326555, now seen corresponding path program 1 times [2024-10-13 13:21:50,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:50,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494063330] [2024-10-13 13:21:50,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:50,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:21:50,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1001732403] [2024-10-13 13:21:50,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:50,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:50,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:50,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:21:50,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 13:21:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:50,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:21:50,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:21:50,546 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:21:50,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:50,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494063330] [2024-10-13 13:21:50,547 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:21:50,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001732403] [2024-10-13 13:21:50,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001732403] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:50,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:50,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:21:50,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154232121] [2024-10-13 13:21:50,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:50,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:21:50,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:50,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:21:50,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:50,550 INFO L87 Difference]: Start difference. First operand 353 states and 396 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:51,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:51,190 INFO L93 Difference]: Finished difference Result 513 states and 571 transitions. [2024-10-13 13:21:51,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:21:51,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2024-10-13 13:21:51,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:51,192 INFO L225 Difference]: With dead ends: 513 [2024-10-13 13:21:51,192 INFO L226 Difference]: Without dead ends: 458 [2024-10-13 13:21:51,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:51,193 INFO L432 NwaCegarLoop]: 297 mSDtfsCounter, 134 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:51,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 409 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:21:51,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-10-13 13:21:51,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 438. [2024-10-13 13:21:51,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.6514084507042253) internal successors, (469), 416 states have internal predecessors, (469), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:21:51,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 509 transitions. [2024-10-13 13:21:51,217 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 509 transitions. Word has length 39 [2024-10-13 13:21:51,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:51,218 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 509 transitions. [2024-10-13 13:21:51,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:51,218 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 509 transitions. [2024-10-13 13:21:51,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-13 13:21:51,218 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:51,218 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:51,231 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 13:21:51,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:51,419 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:51,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:51,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1874644039, now seen corresponding path program 1 times [2024-10-13 13:21:51,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:51,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765601282] [2024-10-13 13:21:51,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:51,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:51,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:51,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:51,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:51,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:21:51,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:51,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765601282] [2024-10-13 13:21:51,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765601282] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:51,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:51,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:21:51,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170709070] [2024-10-13 13:21:51,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:51,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:21:51,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:51,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:21:51,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:51,527 INFO L87 Difference]: Start difference. First operand 438 states and 509 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:51,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:51,977 INFO L93 Difference]: Finished difference Result 471 states and 516 transitions. [2024-10-13 13:21:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:21:51,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2024-10-13 13:21:51,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:51,979 INFO L225 Difference]: With dead ends: 471 [2024-10-13 13:21:51,979 INFO L226 Difference]: Without dead ends: 448 [2024-10-13 13:21:51,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:51,981 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 120 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:51,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 480 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:21:51,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-13 13:21:51,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-10-13 13:21:51,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.5704225352112675) internal successors, (446), 416 states have internal predecessors, (446), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:21:51,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 486 transitions. [2024-10-13 13:21:51,991 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 486 transitions. Word has length 41 [2024-10-13 13:21:51,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:51,991 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 486 transitions. [2024-10-13 13:21:51,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:51,992 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 486 transitions. [2024-10-13 13:21:51,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-13 13:21:51,992 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:51,992 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:51,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 13:21:51,992 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:51,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:51,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1941627433, now seen corresponding path program 1 times [2024-10-13 13:21:51,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:51,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345080903] [2024-10-13 13:21:51,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:51,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:52,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:52,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:52,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:52,098 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:21:52,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:52,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345080903] [2024-10-13 13:21:52,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345080903] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:52,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:52,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:21:52,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951876312] [2024-10-13 13:21:52,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:52,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:21:52,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:52,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:21:52,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:52,100 INFO L87 Difference]: Start difference. First operand 438 states and 486 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:53,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:53,411 INFO L93 Difference]: Finished difference Result 450 states and 493 transitions. [2024-10-13 13:21:53,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:21:53,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2024-10-13 13:21:53,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:53,413 INFO L225 Difference]: With dead ends: 450 [2024-10-13 13:21:53,413 INFO L226 Difference]: Without dead ends: 448 [2024-10-13 13:21:53,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:53,414 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 256 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:53,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 447 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 13:21:53,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-13 13:21:53,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-10-13 13:21:53,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.5633802816901408) internal successors, (444), 416 states have internal predecessors, (444), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:21:53,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 484 transitions. [2024-10-13 13:21:53,422 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 484 transitions. Word has length 43 [2024-10-13 13:21:53,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:53,423 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 484 transitions. [2024-10-13 13:21:53,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 484 transitions. [2024-10-13 13:21:53,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-13 13:21:53,424 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:53,424 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:53,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 13:21:53,424 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:53,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:53,424 INFO L85 PathProgramCache]: Analyzing trace with hash 60908376, now seen corresponding path program 1 times [2024-10-13 13:21:53,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:53,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232520495] [2024-10-13 13:21:53,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:53,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:53,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:53,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:53,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:53,526 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:21:53,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:53,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232520495] [2024-10-13 13:21:53,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232520495] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:53,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:53,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:21:53,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040000469] [2024-10-13 13:21:53,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:53,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:21:53,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:53,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:21:53,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:53,528 INFO L87 Difference]: Start difference. First operand 438 states and 484 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:57,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:57,391 INFO L93 Difference]: Finished difference Result 450 states and 491 transitions. [2024-10-13 13:21:57,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:21:57,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2024-10-13 13:21:57,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:57,396 INFO L225 Difference]: With dead ends: 450 [2024-10-13 13:21:57,396 INFO L226 Difference]: Without dead ends: 448 [2024-10-13 13:21:57,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:57,397 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 140 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:57,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 576 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-10-13 13:21:57,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-13 13:21:57,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 438. [2024-10-13 13:21:57,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.556338028169014) internal successors, (442), 416 states have internal predecessors, (442), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:21:57,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 482 transitions. [2024-10-13 13:21:57,406 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 482 transitions. Word has length 44 [2024-10-13 13:21:57,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:57,406 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 482 transitions. [2024-10-13 13:21:57,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:57,407 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 482 transitions. [2024-10-13 13:21:57,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-13 13:21:57,407 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:57,407 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:57,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 13:21:57,407 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:57,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:57,408 INFO L85 PathProgramCache]: Analyzing trace with hash 2045328877, now seen corresponding path program 1 times [2024-10-13 13:21:57,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:57,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457719029] [2024-10-13 13:21:57,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:57,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:57,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:21:57,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1618138316] [2024-10-13 13:21:57,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:57,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:21:57,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:21:57,418 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:21:57,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 13:21:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:57,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:21:57,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:21:57,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:21:57,625 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:21:57,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:57,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457719029] [2024-10-13 13:21:57,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:21:57,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618138316] [2024-10-13 13:21:57,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618138316] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:57,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:57,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:21:57,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210513787] [2024-10-13 13:21:57,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:57,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:21:57,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:57,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:21:57,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:57,627 INFO L87 Difference]: Start difference. First operand 438 states and 482 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:58,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:58,309 INFO L93 Difference]: Finished difference Result 455 states and 489 transitions. [2024-10-13 13:21:58,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:21:58,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-10-13 13:21:58,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:58,313 INFO L225 Difference]: With dead ends: 455 [2024-10-13 13:21:58,313 INFO L226 Difference]: Without dead ends: 446 [2024-10-13 13:21:58,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:58,313 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 112 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:58,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 339 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:21:58,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-10-13 13:21:58,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 441. [2024-10-13 13:21:58,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 287 states have (on average 1.529616724738676) internal successors, (439), 419 states have internal predecessors, (439), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:21:58,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 479 transitions. [2024-10-13 13:21:58,326 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 479 transitions. Word has length 47 [2024-10-13 13:21:58,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:58,326 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 479 transitions. [2024-10-13 13:21:58,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:58,334 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 479 transitions. [2024-10-13 13:21:58,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-13 13:21:58,335 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:58,335 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:58,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 13:21:58,535 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 [2024-10-13 13:21:58,536 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:58,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:58,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1019314148, now seen corresponding path program 1 times [2024-10-13 13:21:58,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:58,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112235420] [2024-10-13 13:21:58,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:58,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:58,621 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:21:58,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:58,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112235420] [2024-10-13 13:21:58,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112235420] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:58,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:58,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:21:58,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521071874] [2024-10-13 13:21:58,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:58,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:21:58,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:58,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:21:58,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:58,626 INFO L87 Difference]: Start difference. First operand 441 states and 479 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:59,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:59,123 INFO L93 Difference]: Finished difference Result 454 states and 480 transitions. [2024-10-13 13:21:59,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:21:59,126 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-10-13 13:21:59,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:59,127 INFO L225 Difference]: With dead ends: 454 [2024-10-13 13:21:59,127 INFO L226 Difference]: Without dead ends: 448 [2024-10-13 13:21:59,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:59,128 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 247 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:59,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 375 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:21:59,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-10-13 13:21:59,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 441. [2024-10-13 13:21:59,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 287 states have (on average 1.5087108013937283) internal successors, (433), 419 states have internal predecessors, (433), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:21:59,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 473 transitions. [2024-10-13 13:21:59,139 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 473 transitions. Word has length 48 [2024-10-13 13:21:59,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:59,139 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 473 transitions. [2024-10-13 13:21:59,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:59,139 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 473 transitions. [2024-10-13 13:21:59,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-13 13:21:59,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:59,141 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:59,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 13:21:59,141 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:59,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:59,141 INFO L85 PathProgramCache]: Analyzing trace with hash 29056224, now seen corresponding path program 1 times [2024-10-13 13:21:59,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:59,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826472984] [2024-10-13 13:21:59,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:59,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:21:59,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:59,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826472984] [2024-10-13 13:21:59,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826472984] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:59,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:59,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:21:59,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534876812] [2024-10-13 13:21:59,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:59,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:21:59,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:59,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:21:59,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:59,213 INFO L87 Difference]: Start difference. First operand 441 states and 473 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:59,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:21:59,733 INFO L93 Difference]: Finished difference Result 452 states and 474 transitions. [2024-10-13 13:21:59,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:21:59,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2024-10-13 13:21:59,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:21:59,735 INFO L225 Difference]: With dead ends: 452 [2024-10-13 13:21:59,735 INFO L226 Difference]: Without dead ends: 379 [2024-10-13 13:21:59,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:21:59,737 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 226 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:21:59,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 359 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:21:59,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-10-13 13:21:59,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 375. [2024-10-13 13:21:59,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 224 states have (on average 1.625) internal successors, (364), 356 states have internal predecessors, (364), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-13 13:21:59,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 398 transitions. [2024-10-13 13:21:59,745 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 398 transitions. Word has length 52 [2024-10-13 13:21:59,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:21:59,746 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 398 transitions. [2024-10-13 13:21:59,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-13 13:21:59,747 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 398 transitions. [2024-10-13 13:21:59,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-13 13:21:59,749 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:21:59,749 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:21:59,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 13:21:59,749 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:21:59,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:21:59,750 INFO L85 PathProgramCache]: Analyzing trace with hash 649164770, now seen corresponding path program 1 times [2024-10-13 13:21:59,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:21:59,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712874638] [2024-10-13 13:21:59,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:21:59,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:21:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:21:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:21:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:21:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:21:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:21:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:21:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:21:59,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:21:59,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712874638] [2024-10-13 13:21:59,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712874638] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:21:59,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:21:59,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:21:59,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380136932] [2024-10-13 13:21:59,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:21:59,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:21:59,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:21:59,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:21:59,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:21:59,845 INFO L87 Difference]: Start difference. First operand 375 states and 398 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:22:00,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:00,316 INFO L93 Difference]: Finished difference Result 375 states and 398 transitions. [2024-10-13 13:22:00,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:22:00,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 84 [2024-10-13 13:22:00,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:00,318 INFO L225 Difference]: With dead ends: 375 [2024-10-13 13:22:00,319 INFO L226 Difference]: Without dead ends: 368 [2024-10-13 13:22:00,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:22:00,320 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 141 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:00,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 156 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:22:00,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-13 13:22:00,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-10-13 13:22:00,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 224 states have (on average 1.59375) internal successors, (357), 349 states have internal predecessors, (357), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-13 13:22:00,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 391 transitions. [2024-10-13 13:22:00,329 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 391 transitions. Word has length 84 [2024-10-13 13:22:00,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:00,331 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 391 transitions. [2024-10-13 13:22:00,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:22:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 391 transitions. [2024-10-13 13:22:00,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-13 13:22:00,334 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:00,334 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:00,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 13:22:00,335 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:00,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:00,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1350728446, now seen corresponding path program 1 times [2024-10-13 13:22:00,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:00,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499077500] [2024-10-13 13:22:00,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:00,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,417 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:00,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:00,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499077500] [2024-10-13 13:22:00,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499077500] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:00,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:22:00,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:22:00,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755638165] [2024-10-13 13:22:00,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:00,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:22:00,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:00,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:22:00,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:22:00,418 INFO L87 Difference]: Start difference. First operand 368 states and 391 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:22:00,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:00,889 INFO L93 Difference]: Finished difference Result 375 states and 394 transitions. [2024-10-13 13:22:00,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:22:00,890 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2024-10-13 13:22:00,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:00,891 INFO L225 Difference]: With dead ends: 375 [2024-10-13 13:22:00,891 INFO L226 Difference]: Without dead ends: 374 [2024-10-13 13:22:00,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:22:00,892 INFO L432 NwaCegarLoop]: 281 mSDtfsCounter, 24 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:00,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 425 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:22:00,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-10-13 13:22:00,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2024-10-13 13:22:00,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 226 states have (on average 1.5884955752212389) internal successors, (359), 351 states have internal predecessors, (359), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-13 13:22:00,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 393 transitions. [2024-10-13 13:22:00,901 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 393 transitions. Word has length 85 [2024-10-13 13:22:00,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:00,902 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 393 transitions. [2024-10-13 13:22:00,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:22:00,902 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 393 transitions. [2024-10-13 13:22:00,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-13 13:22:00,902 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:00,903 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:00,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 13:22:00,903 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:00,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:00,903 INFO L85 PathProgramCache]: Analyzing trace with hash -760428695, now seen corresponding path program 1 times [2024-10-13 13:22:00,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:00,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349148005] [2024-10-13 13:22:00,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:00,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:00,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 13:22:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:22:00,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:00,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349148005] [2024-10-13 13:22:00,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349148005] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:00,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:22:00,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:22:00,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493673641] [2024-10-13 13:22:00,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:00,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:22:00,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:00,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:22:00,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:22:00,975 INFO L87 Difference]: Start difference. First operand 370 states and 393 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 13:22:01,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:01,194 INFO L93 Difference]: Finished difference Result 370 states and 393 transitions. [2024-10-13 13:22:01,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:22:01,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 87 [2024-10-13 13:22:01,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:01,196 INFO L225 Difference]: With dead ends: 370 [2024-10-13 13:22:01,196 INFO L226 Difference]: Without dead ends: 368 [2024-10-13 13:22:01,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:22:01,197 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 195 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:01,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 264 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:22:01,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-13 13:22:01,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2024-10-13 13:22:01,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 226 states have (on average 1.5707964601769913) internal successors, (355), 349 states have internal predecessors, (355), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-13 13:22:01,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 389 transitions. [2024-10-13 13:22:01,204 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 389 transitions. Word has length 87 [2024-10-13 13:22:01,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:01,204 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 389 transitions. [2024-10-13 13:22:01,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-13 13:22:01,204 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 389 transitions. [2024-10-13 13:22:01,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-13 13:22:01,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:01,205 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:01,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 13:22:01,205 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:01,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:01,206 INFO L85 PathProgramCache]: Analyzing trace with hash -2098452885, now seen corresponding path program 1 times [2024-10-13 13:22:01,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:01,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625752542] [2024-10-13 13:22:01,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:01,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 13:22:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,275 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:22:01,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:01,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625752542] [2024-10-13 13:22:01,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625752542] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:01,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:22:01,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:22:01,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055214488] [2024-10-13 13:22:01,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:01,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:22:01,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:01,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:22:01,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:22:01,277 INFO L87 Difference]: Start difference. First operand 368 states and 389 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:22:01,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:01,512 INFO L93 Difference]: Finished difference Result 372 states and 389 transitions. [2024-10-13 13:22:01,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:22:01,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 88 [2024-10-13 13:22:01,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:01,513 INFO L225 Difference]: With dead ends: 372 [2024-10-13 13:22:01,513 INFO L226 Difference]: Without dead ends: 368 [2024-10-13 13:22:01,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:22:01,514 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 34 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:01,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 766 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:22:01,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-10-13 13:22:01,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 366. [2024-10-13 13:22:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 224 states have (on average 1.5669642857142858) internal successors, (351), 347 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-13 13:22:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 385 transitions. [2024-10-13 13:22:01,522 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 385 transitions. Word has length 88 [2024-10-13 13:22:01,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:01,522 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 385 transitions. [2024-10-13 13:22:01,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-13 13:22:01,522 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 385 transitions. [2024-10-13 13:22:01,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-13 13:22:01,523 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:01,523 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:01,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 13:22:01,523 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:01,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:01,523 INFO L85 PathProgramCache]: Analyzing trace with hash -969912028, now seen corresponding path program 1 times [2024-10-13 13:22:01,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:01,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692542917] [2024-10-13 13:22:01,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:01,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,610 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:01,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:01,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692542917] [2024-10-13 13:22:01,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692542917] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:01,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997925349] [2024-10-13 13:22:01,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:01,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:01,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:01,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:01,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 13:22:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:01,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:22:01,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:01,792 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:22:01,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997925349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:01,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:01,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-13 13:22:01,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990497962] [2024-10-13 13:22:01,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:01,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:22:01,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:01,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:22:01,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:22:01,793 INFO L87 Difference]: Start difference. First operand 366 states and 385 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:22:01,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:01,818 INFO L93 Difference]: Finished difference Result 366 states and 385 transitions. [2024-10-13 13:22:01,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:22:01,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 87 [2024-10-13 13:22:01,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:01,820 INFO L225 Difference]: With dead ends: 366 [2024-10-13 13:22:01,820 INFO L226 Difference]: Without dead ends: 365 [2024-10-13 13:22:01,820 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:22:01,821 INFO L432 NwaCegarLoop]: 284 mSDtfsCounter, 222 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:01,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 852 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:22:01,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-10-13 13:22:01,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2024-10-13 13:22:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 224 states have (on average 1.5625) internal successors, (350), 346 states have internal predecessors, (350), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-13 13:22:01,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 384 transitions. [2024-10-13 13:22:01,830 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 384 transitions. Word has length 87 [2024-10-13 13:22:01,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:01,830 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 384 transitions. [2024-10-13 13:22:01,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:22:01,830 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 384 transitions. [2024-10-13 13:22:01,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-13 13:22:01,830 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:01,831 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:01,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:02,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:02,035 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:02,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:02,035 INFO L85 PathProgramCache]: Analyzing trace with hash -2501755, now seen corresponding path program 1 times [2024-10-13 13:22:02,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:02,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097831381] [2024-10-13 13:22:02,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:02,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,118 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:02,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:02,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097831381] [2024-10-13 13:22:02,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097831381] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:02,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373019039] [2024-10-13 13:22:02,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:02,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:02,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:02,122 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:02,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 13:22:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:22:02,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:02,261 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:22:02,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373019039] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:02,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:02,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-13 13:22:02,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347340086] [2024-10-13 13:22:02,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:02,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:22:02,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:02,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:22:02,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:22:02,263 INFO L87 Difference]: Start difference. First operand 365 states and 384 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:22:02,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:02,316 INFO L93 Difference]: Finished difference Result 534 states and 556 transitions. [2024-10-13 13:22:02,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:22:02,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 88 [2024-10-13 13:22:02,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:02,318 INFO L225 Difference]: With dead ends: 534 [2024-10-13 13:22:02,318 INFO L226 Difference]: Without dead ends: 533 [2024-10-13 13:22:02,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:22:02,319 INFO L432 NwaCegarLoop]: 448 mSDtfsCounter, 220 mSDsluCounter, 1048 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 1496 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:02,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 1496 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:22:02,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-10-13 13:22:02,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 441. [2024-10-13 13:22:02,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 295 states have (on average 1.6305084745762712) internal successors, (481), 417 states have internal predecessors, (481), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-13 13:22:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 525 transitions. [2024-10-13 13:22:02,331 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 525 transitions. Word has length 88 [2024-10-13 13:22:02,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:02,331 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 525 transitions. [2024-10-13 13:22:02,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:22:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 525 transitions. [2024-10-13 13:22:02,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-10-13 13:22:02,332 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:02,332 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:02,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 13:22:02,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-13 13:22:02,536 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:02,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:02,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1890782215, now seen corresponding path program 1 times [2024-10-13 13:22:02,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:02,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141215066] [2024-10-13 13:22:02,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:02,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:02,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,589 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:02,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:02,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141215066] [2024-10-13 13:22:02,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141215066] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:02,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402624167] [2024-10-13 13:22:02,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:02,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:02,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:02,591 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:02,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 13:22:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:02,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:22:02,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:02,708 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:02,709 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:22:02,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402624167] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:02,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:02,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-13 13:22:02,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775988816] [2024-10-13 13:22:02,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:02,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:22:02,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:02,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:22:02,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:22:02,710 INFO L87 Difference]: Start difference. First operand 441 states and 525 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:22:02,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:02,796 INFO L93 Difference]: Finished difference Result 443 states and 525 transitions. [2024-10-13 13:22:02,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:22:02,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 90 [2024-10-13 13:22:02,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:02,799 INFO L225 Difference]: With dead ends: 443 [2024-10-13 13:22:02,799 INFO L226 Difference]: Without dead ends: 435 [2024-10-13 13:22:02,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:22:02,800 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 437 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:02,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 352 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:22:02,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-10-13 13:22:02,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 433. [2024-10-13 13:22:02,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 295 states have (on average 1.5966101694915253) internal successors, (471), 409 states have internal predecessors, (471), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-13 13:22:02,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 515 transitions. [2024-10-13 13:22:02,809 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 515 transitions. Word has length 90 [2024-10-13 13:22:02,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:02,809 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 515 transitions. [2024-10-13 13:22:02,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:22:02,809 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 515 transitions. [2024-10-13 13:22:02,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-10-13 13:22:02,810 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:02,810 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:02,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 13:22:03,010 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,SelfDestructingSolverStorable15 [2024-10-13 13:22:03,011 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:03,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:03,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1515293429, now seen corresponding path program 1 times [2024-10-13 13:22:03,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:03,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186162278] [2024-10-13 13:22:03,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:03,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,065 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:03,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:03,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186162278] [2024-10-13 13:22:03,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186162278] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:03,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847597319] [2024-10-13 13:22:03,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:03,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:03,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:03,067 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:03,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 13:22:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:22:03,111 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:03,178 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:03,179 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:03,281 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:03,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847597319] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:03,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:22:03,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-13 13:22:03,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664747438] [2024-10-13 13:22:03,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:03,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:22:03,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:03,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:22:03,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:22:03,283 INFO L87 Difference]: Start difference. First operand 433 states and 515 transitions. Second operand has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-13 13:22:03,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:03,437 INFO L93 Difference]: Finished difference Result 778 states and 947 transitions. [2024-10-13 13:22:03,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:22:03,437 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 91 [2024-10-13 13:22:03,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:03,439 INFO L225 Difference]: With dead ends: 778 [2024-10-13 13:22:03,439 INFO L226 Difference]: Without dead ends: 770 [2024-10-13 13:22:03,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:22:03,440 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 824 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 841 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:03,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [841 Valid, 979 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:22:03,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2024-10-13 13:22:03,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 504. [2024-10-13 13:22:03,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 366 states have (on average 1.5628415300546448) internal successors, (572), 475 states have internal predecessors, (572), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 13:22:03,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 626 transitions. [2024-10-13 13:22:03,451 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 626 transitions. Word has length 91 [2024-10-13 13:22:03,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:03,452 INFO L471 AbstractCegarLoop]: Abstraction has 504 states and 626 transitions. [2024-10-13 13:22:03,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 31.5) internal successors, (189), 7 states have internal predecessors, (189), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-13 13:22:03,452 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 626 transitions. [2024-10-13 13:22:03,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-13 13:22:03,453 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:03,453 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:03,465 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:03,656 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,SelfDestructingSolverStorable16 [2024-10-13 13:22:03,657 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:03,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:03,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1478079932, now seen corresponding path program 1 times [2024-10-13 13:22:03,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:03,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797349794] [2024-10-13 13:22:03,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:03,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,738 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:22:03,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:03,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797349794] [2024-10-13 13:22:03,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797349794] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:03,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315982217] [2024-10-13 13:22:03,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:03,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:03,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:03,740 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:03,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 13:22:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:03,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:22:03,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:03,869 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:22:03,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:03,958 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:22:03,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315982217] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:03,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:22:03,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-10-13 13:22:03,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410229507] [2024-10-13 13:22:03,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:03,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:22:03,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:03,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:22:03,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:22:03,960 INFO L87 Difference]: Start difference. First operand 504 states and 626 transitions. Second operand has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-13 13:22:04,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:04,175 INFO L93 Difference]: Finished difference Result 1135 states and 1236 transitions. [2024-10-13 13:22:04,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 13:22:04,175 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 100 [2024-10-13 13:22:04,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:04,178 INFO L225 Difference]: With dead ends: 1135 [2024-10-13 13:22:04,178 INFO L226 Difference]: Without dead ends: 965 [2024-10-13 13:22:04,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:22:04,179 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 735 mSDsluCounter, 1391 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:04,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 1663 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:22:04,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2024-10-13 13:22:04,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 718. [2024-10-13 13:22:04,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 562 states have (on average 1.6298932384341638) internal successors, (916), 673 states have internal predecessors, (916), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-13 13:22:04,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 1000 transitions. [2024-10-13 13:22:04,194 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 1000 transitions. Word has length 100 [2024-10-13 13:22:04,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:04,194 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 1000 transitions. [2024-10-13 13:22:04,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.384615384615385) internal successors, (148), 13 states have internal predecessors, (148), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2024-10-13 13:22:04,195 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1000 transitions. [2024-10-13 13:22:04,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-13 13:22:04,195 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:04,195 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:04,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 13:22:04,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:04,396 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:04,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:04,396 INFO L85 PathProgramCache]: Analyzing trace with hash 2065209256, now seen corresponding path program 1 times [2024-10-13 13:22:04,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:04,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459607962] [2024-10-13 13:22:04,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:04,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:04,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1618436848] [2024-10-13 13:22:04,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:04,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:04,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:04,417 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:04,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 13:22:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:04,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:22:04,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:04,524 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:22:04,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:04,664 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:22:04,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:04,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459607962] [2024-10-13 13:22:04,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:04,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618436848] [2024-10-13 13:22:04,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618436848] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:04,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:22:04,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-13 13:22:04,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055255871] [2024-10-13 13:22:04,665 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:04,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:22:04,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:04,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:22:04,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:22:04,666 INFO L87 Difference]: Start difference. First operand 718 states and 1000 transitions. Second operand has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-13 13:22:04,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:04,842 INFO L93 Difference]: Finished difference Result 927 states and 1060 transitions. [2024-10-13 13:22:04,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:22:04,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 102 [2024-10-13 13:22:04,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:04,845 INFO L225 Difference]: With dead ends: 927 [2024-10-13 13:22:04,845 INFO L226 Difference]: Without dead ends: 921 [2024-10-13 13:22:04,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:22:04,845 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 827 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 843 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:04,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [843 Valid, 991 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:22:04,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2024-10-13 13:22:04,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 713. [2024-10-13 13:22:04,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 562 states have (on average 1.606761565836299) internal successors, (903), 668 states have internal predecessors, (903), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-13 13:22:04,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 987 transitions. [2024-10-13 13:22:04,871 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 987 transitions. Word has length 102 [2024-10-13 13:22:04,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:04,872 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 987 transitions. [2024-10-13 13:22:04,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-13 13:22:04,872 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 987 transitions. [2024-10-13 13:22:04,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-13 13:22:04,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:04,873 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:04,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:05,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:05,077 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:05,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:05,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1943308681, now seen corresponding path program 1 times [2024-10-13 13:22:05,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:05,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788129871] [2024-10-13 13:22:05,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:05,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:05,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1326944336] [2024-10-13 13:22:05,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:05,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:05,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:05,092 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:05,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 13:22:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:05,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:22:05,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:05,216 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:22:05,216 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:22:05,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:05,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788129871] [2024-10-13 13:22:05,216 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:05,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326944336] [2024-10-13 13:22:05,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326944336] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:05,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:22:05,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:22:05,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629089321] [2024-10-13 13:22:05,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:05,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:22:05,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:05,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:22:05,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:22:05,218 INFO L87 Difference]: Start difference. First operand 713 states and 987 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:22:05,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:05,847 INFO L93 Difference]: Finished difference Result 714 states and 987 transitions. [2024-10-13 13:22:05,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:22:05,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2024-10-13 13:22:05,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:05,851 INFO L225 Difference]: With dead ends: 714 [2024-10-13 13:22:05,852 INFO L226 Difference]: Without dead ends: 713 [2024-10-13 13:22:05,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:22:05,852 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 64 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:05,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 461 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:22:05,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-10-13 13:22:05,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 713. [2024-10-13 13:22:05,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 713 states, 562 states have (on average 1.604982206405694) internal successors, (902), 668 states have internal predecessors, (902), 42 states have call successors, (42), 5 states have call predecessors, (42), 5 states have return successors, (42), 39 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-13 13:22:05,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 986 transitions. [2024-10-13 13:22:05,871 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 986 transitions. Word has length 104 [2024-10-13 13:22:05,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:05,871 INFO L471 AbstractCegarLoop]: Abstraction has 713 states and 986 transitions. [2024-10-13 13:22:05,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:22:05,871 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 986 transitions. [2024-10-13 13:22:05,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-10-13 13:22:05,872 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:05,872 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:05,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:06,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:06,073 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:06,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:06,073 INFO L85 PathProgramCache]: Analyzing trace with hash -113026762, now seen corresponding path program 1 times [2024-10-13 13:22:06,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:06,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358240491] [2024-10-13 13:22:06,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:06,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:06,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2046218910] [2024-10-13 13:22:06,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:06,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:06,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:06,088 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:06,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 13:22:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:06,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:22:06,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:06,292 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-13 13:22:06,292 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:22:06,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:06,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358240491] [2024-10-13 13:22:06,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:06,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046218910] [2024-10-13 13:22:06,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046218910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:06,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:22:06,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:22:06,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609512482] [2024-10-13 13:22:06,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:06,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:22:06,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:06,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:22:06,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:22:06,294 INFO L87 Difference]: Start difference. First operand 713 states and 986 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:22:06,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:06,798 INFO L93 Difference]: Finished difference Result 714 states and 986 transitions. [2024-10-13 13:22:06,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:22:06,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 105 [2024-10-13 13:22:06,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:06,803 INFO L225 Difference]: With dead ends: 714 [2024-10-13 13:22:06,803 INFO L226 Difference]: Without dead ends: 693 [2024-10-13 13:22:06,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:22:06,804 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 20 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:06,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 389 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:22:06,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-10-13 13:22:06,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 693. [2024-10-13 13:22:06,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 544 states have (on average 1.6231617647058822) internal successors, (883), 650 states have internal predecessors, (883), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 13:22:06,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 963 transitions. [2024-10-13 13:22:06,821 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 963 transitions. Word has length 105 [2024-10-13 13:22:06,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:06,821 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 963 transitions. [2024-10-13 13:22:06,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:22:06,821 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 963 transitions. [2024-10-13 13:22:06,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-13 13:22:06,822 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:06,822 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:06,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 13:22:07,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-13 13:22:07,022 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:07,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:07,023 INFO L85 PathProgramCache]: Analyzing trace with hash -560494871, now seen corresponding path program 1 times [2024-10-13 13:22:07,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:07,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710059436] [2024-10-13 13:22:07,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:07,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:07,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665835058] [2024-10-13 13:22:07,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:07,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:07,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:07,045 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:07,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 13:22:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:07,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:22:07,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:07,270 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:07,270 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:22:07,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:07,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710059436] [2024-10-13 13:22:07,270 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:07,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665835058] [2024-10-13 13:22:07,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665835058] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:07,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:22:07,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:22:07,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34881338] [2024-10-13 13:22:07,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:07,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:22:07,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:07,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:22:07,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:22:07,271 INFO L87 Difference]: Start difference. First operand 693 states and 963 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 13:22:08,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:08,014 INFO L93 Difference]: Finished difference Result 693 states and 963 transitions. [2024-10-13 13:22:08,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:22:08,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 123 [2024-10-13 13:22:08,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:08,018 INFO L225 Difference]: With dead ends: 693 [2024-10-13 13:22:08,018 INFO L226 Difference]: Without dead ends: 683 [2024-10-13 13:22:08,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:22:08,018 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 237 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:08,019 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 258 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:22:08,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2024-10-13 13:22:08,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 683. [2024-10-13 13:22:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 544 states have (on average 1.568014705882353) internal successors, (853), 640 states have internal predecessors, (853), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 37 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 13:22:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 933 transitions. [2024-10-13 13:22:08,036 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 933 transitions. Word has length 123 [2024-10-13 13:22:08,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:08,037 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 933 transitions. [2024-10-13 13:22:08,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 13:22:08,037 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 933 transitions. [2024-10-13 13:22:08,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-13 13:22:08,037 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:08,038 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:08,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:08,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-10-13 13:22:08,238 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:08,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:08,239 INFO L85 PathProgramCache]: Analyzing trace with hash -195471728, now seen corresponding path program 1 times [2024-10-13 13:22:08,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:08,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350949835] [2024-10-13 13:22:08,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:08,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:08,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1805419743] [2024-10-13 13:22:08,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:08,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:08,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:08,257 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:08,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 13:22:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:08,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:22:08,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:08,513 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:08,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:09,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:09,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350949835] [2024-10-13 13:22:09,549 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:09,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805419743] [2024-10-13 13:22:09,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805419743] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:09,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:09,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-13 13:22:09,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140186065] [2024-10-13 13:22:09,549 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:09,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:22:09,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:09,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:22:09,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:09,552 INFO L87 Difference]: Start difference. First operand 683 states and 933 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 13:22:10,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:10,189 INFO L93 Difference]: Finished difference Result 736 states and 961 transitions. [2024-10-13 13:22:10,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:22:10,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 124 [2024-10-13 13:22:10,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:10,192 INFO L225 Difference]: With dead ends: 736 [2024-10-13 13:22:10,192 INFO L226 Difference]: Without dead ends: 713 [2024-10-13 13:22:10,192 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:10,192 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 131 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:10,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 422 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:22:10,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-10-13 13:22:10,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 695. [2024-10-13 13:22:10,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 556 states have (on average 1.5305755395683454) internal successors, (851), 651 states have internal predecessors, (851), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 13:22:10,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 931 transitions. [2024-10-13 13:22:10,208 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 931 transitions. Word has length 124 [2024-10-13 13:22:10,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:10,208 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 931 transitions. [2024-10-13 13:22:10,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-13 13:22:10,208 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 931 transitions. [2024-10-13 13:22:10,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-13 13:22:10,209 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:10,209 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:10,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-13 13:22:10,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-13 13:22:10,410 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:10,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:10,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1764656181, now seen corresponding path program 1 times [2024-10-13 13:22:10,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:10,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507866166] [2024-10-13 13:22:10,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:10,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:10,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:10,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:10,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:10,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:10,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:10,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:10,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:10,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:10,498 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:10,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:10,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507866166] [2024-10-13 13:22:10,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507866166] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:10,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896735824] [2024-10-13 13:22:10,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:10,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:10,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:10,500 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:10,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 13:22:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:10,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:22:10,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:10,702 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:10,703 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:10,805 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:10,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896735824] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:10,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:22:10,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-10-13 13:22:10,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523013214] [2024-10-13 13:22:10,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:10,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:22:10,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:10,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:22:10,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:10,806 INFO L87 Difference]: Start difference. First operand 695 states and 931 transitions. Second operand has 8 states, 7 states have (on average 33.0) internal successors, (231), 8 states have internal predecessors, (231), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-13 13:22:11,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:11,411 INFO L93 Difference]: Finished difference Result 739 states and 938 transitions. [2024-10-13 13:22:11,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:22:11,412 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.0) internal successors, (231), 8 states have internal predecessors, (231), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 125 [2024-10-13 13:22:11,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:11,414 INFO L225 Difference]: With dead ends: 739 [2024-10-13 13:22:11,414 INFO L226 Difference]: Without dead ends: 734 [2024-10-13 13:22:11,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:22:11,415 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 336 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:11,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 551 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:22:11,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-10-13 13:22:11,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 694. [2024-10-13 13:22:11,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 556 states have (on average 1.5089928057553956) internal successors, (839), 650 states have internal predecessors, (839), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 13:22:11,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 919 transitions. [2024-10-13 13:22:11,430 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 919 transitions. Word has length 125 [2024-10-13 13:22:11,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:11,431 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 919 transitions. [2024-10-13 13:22:11,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.0) internal successors, (231), 8 states have internal predecessors, (231), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-13 13:22:11,431 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 919 transitions. [2024-10-13 13:22:11,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-13 13:22:11,431 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:11,431 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:11,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-13 13:22:11,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-13 13:22:11,632 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:11,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:11,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1130233330, now seen corresponding path program 1 times [2024-10-13 13:22:11,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:11,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668536997] [2024-10-13 13:22:11,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:11,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:11,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:11,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:11,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:11,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:11,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:11,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:11,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:11,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:11,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:11,727 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:11,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:11,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668536997] [2024-10-13 13:22:11,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668536997] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:11,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626481539] [2024-10-13 13:22:11,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:11,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:11,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:11,729 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:11,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-13 13:22:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:11,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:22:11,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:11,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:12,035 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:12,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626481539] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:12,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:22:12,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2024-10-13 13:22:12,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943067270] [2024-10-13 13:22:12,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:12,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:22:12,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:12,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:22:12,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:12,037 INFO L87 Difference]: Start difference. First operand 694 states and 919 transitions. Second operand has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-13 13:22:13,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:22:14,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:14,078 INFO L93 Difference]: Finished difference Result 738 states and 926 transitions. [2024-10-13 13:22:14,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:22:14,078 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 126 [2024-10-13 13:22:14,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:14,080 INFO L225 Difference]: With dead ends: 738 [2024-10-13 13:22:14,080 INFO L226 Difference]: Without dead ends: 733 [2024-10-13 13:22:14,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:22:14,081 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 334 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:14,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 580 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-13 13:22:14,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-10-13 13:22:14,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 693. [2024-10-13 13:22:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 556 states have (on average 1.4874100719424461) internal successors, (827), 649 states have internal predecessors, (827), 40 states have call successors, (40), 5 states have call predecessors, (40), 5 states have return successors, (40), 38 states have call predecessors, (40), 40 states have call successors, (40) [2024-10-13 13:22:14,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 907 transitions. [2024-10-13 13:22:14,097 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 907 transitions. Word has length 126 [2024-10-13 13:22:14,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:14,097 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 907 transitions. [2024-10-13 13:22:14,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2024-10-13 13:22:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 907 transitions. [2024-10-13 13:22:14,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-13 13:22:14,101 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:14,102 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:14,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-13 13:22:14,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:14,303 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:14,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:14,303 INFO L85 PathProgramCache]: Analyzing trace with hash 677494957, now seen corresponding path program 1 times [2024-10-13 13:22:14,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:14,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811206764] [2024-10-13 13:22:14,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:14,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:14,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1839195022] [2024-10-13 13:22:14,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:14,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:14,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:14,327 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:14,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-13 13:22:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:14,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 13:22:14,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:14,667 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:14,667 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:14,986 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-13 13:22:14,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:14,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811206764] [2024-10-13 13:22:14,987 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:14,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839195022] [2024-10-13 13:22:14,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839195022] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:14,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:22:14,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-13 13:22:14,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371405833] [2024-10-13 13:22:14,987 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:14,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:22:14,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:14,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:22:14,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:22:14,988 INFO L87 Difference]: Start difference. First operand 693 states and 907 transitions. Second operand has 10 states, 9 states have (on average 19.666666666666668) internal successors, (177), 10 states have internal predecessors, (177), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-13 13:22:20,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:20,713 INFO L93 Difference]: Finished difference Result 758 states and 939 transitions. [2024-10-13 13:22:20,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 13:22:20,714 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.666666666666668) internal successors, (177), 10 states have internal predecessors, (177), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 127 [2024-10-13 13:22:20,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:20,716 INFO L225 Difference]: With dead ends: 758 [2024-10-13 13:22:20,716 INFO L226 Difference]: Without dead ends: 663 [2024-10-13 13:22:20,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:22:20,716 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 748 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 760 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:20,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [760 Valid, 465 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-10-13 13:22:20,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-10-13 13:22:20,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 640. [2024-10-13 13:22:20,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 508 states have (on average 1.454724409448819) internal successors, (739), 599 states have internal predecessors, (739), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:20,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 813 transitions. [2024-10-13 13:22:20,734 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 813 transitions. Word has length 127 [2024-10-13 13:22:20,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:20,735 INFO L471 AbstractCegarLoop]: Abstraction has 640 states and 813 transitions. [2024-10-13 13:22:20,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.666666666666668) internal successors, (177), 10 states have internal predecessors, (177), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-13 13:22:20,735 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 813 transitions. [2024-10-13 13:22:20,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-10-13 13:22:20,736 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:20,736 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2024-10-13 13:22:20,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-13 13:22:20,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-13 13:22:20,937 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:20,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:20,937 INFO L85 PathProgramCache]: Analyzing trace with hash 678166150, now seen corresponding path program 1 times [2024-10-13 13:22:20,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:20,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996011314] [2024-10-13 13:22:20,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:20,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:20,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:20,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:20,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:20,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:20,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:20,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:22:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 13:22:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,006 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-10-13 13:22:21,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:21,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996011314] [2024-10-13 13:22:21,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996011314] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:22:21,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:22:21,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:22:21,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082635712] [2024-10-13 13:22:21,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:22:21,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:22:21,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:21,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:22:21,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:22:21,008 INFO L87 Difference]: Start difference. First operand 640 states and 813 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:22:21,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:21,743 INFO L93 Difference]: Finished difference Result 646 states and 813 transitions. [2024-10-13 13:22:21,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:22:21,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 169 [2024-10-13 13:22:21,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:21,745 INFO L225 Difference]: With dead ends: 646 [2024-10-13 13:22:21,745 INFO L226 Difference]: Without dead ends: 643 [2024-10-13 13:22:21,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:22:21,745 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 134 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:21,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 189 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:22:21,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-10-13 13:22:21,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 638. [2024-10-13 13:22:21,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 508 states have (on average 1.4429133858267718) internal successors, (733), 597 states have internal predecessors, (733), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:21,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 807 transitions. [2024-10-13 13:22:21,761 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 807 transitions. Word has length 169 [2024-10-13 13:22:21,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:21,762 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 807 transitions. [2024-10-13 13:22:21,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:22:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 807 transitions. [2024-10-13 13:22:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-13 13:22:21,762 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:21,762 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:21,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-13 13:22:21,763 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:21,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:21,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1920667239, now seen corresponding path program 1 times [2024-10-13 13:22:21,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:21,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353972244] [2024-10-13 13:22:21,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:21,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:21,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:22:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 13:22:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 13:22:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,850 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:22:21,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:21,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353972244] [2024-10-13 13:22:21,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353972244] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:21,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589501060] [2024-10-13 13:22:21,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:21,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:21,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:21,852 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:21,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-13 13:22:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:21,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:22:21,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:22,001 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:22:22,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:22,136 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:22:22,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [589501060] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:22,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:22:22,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-10-13 13:22:22,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138345028] [2024-10-13 13:22:22,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:22,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:22:22,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:22,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:22:22,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:22:22,137 INFO L87 Difference]: Start difference. First operand 638 states and 807 transitions. Second operand has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-10-13 13:22:22,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:22,565 INFO L93 Difference]: Finished difference Result 723 states and 831 transitions. [2024-10-13 13:22:22,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:22:22,566 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 172 [2024-10-13 13:22:22,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:22,568 INFO L225 Difference]: With dead ends: 723 [2024-10-13 13:22:22,568 INFO L226 Difference]: Without dead ends: 721 [2024-10-13 13:22:22,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:22:22,568 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 1083 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:22,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 756 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:22:22,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2024-10-13 13:22:22,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 636. [2024-10-13 13:22:22,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4271653543307086) internal successors, (725), 595 states have internal predecessors, (725), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:22,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 799 transitions. [2024-10-13 13:22:22,583 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 799 transitions. Word has length 172 [2024-10-13 13:22:22,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:22,583 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 799 transitions. [2024-10-13 13:22:22,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 36.375) internal successors, (291), 9 states have internal predecessors, (291), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2024-10-13 13:22:22,583 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 799 transitions. [2024-10-13 13:22:22,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-13 13:22:22,584 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:22,584 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:22,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-13 13:22:22,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-13 13:22:22,793 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:22,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:22,794 INFO L85 PathProgramCache]: Analyzing trace with hash -588857553, now seen corresponding path program 1 times [2024-10-13 13:22:22,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:22,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498148792] [2024-10-13 13:22:22,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:22,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:22,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [379979534] [2024-10-13 13:22:22,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:22,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:22,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:22,816 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:22,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-13 13:22:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:22,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:22:22,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:22:23,227 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:24,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:24,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498148792] [2024-10-13 13:22:24,579 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:24,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379979534] [2024-10-13 13:22:24,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379979534] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:24,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:24,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-13 13:22:24,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746168920] [2024-10-13 13:22:24,580 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:24,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:22:24,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:24,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:22:24,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:24,582 INFO L87 Difference]: Start difference. First operand 636 states and 799 transitions. Second operand has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 13:22:25,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:25,328 INFO L93 Difference]: Finished difference Result 637 states and 799 transitions. [2024-10-13 13:22:25,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:22:25,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 173 [2024-10-13 13:22:25,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:25,331 INFO L225 Difference]: With dead ends: 637 [2024-10-13 13:22:25,331 INFO L226 Difference]: Without dead ends: 636 [2024-10-13 13:22:25,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:22:25,331 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 32 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:25,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 461 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:22:25,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-13 13:22:25,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2024-10-13 13:22:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4251968503937007) internal successors, (724), 595 states have internal predecessors, (724), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:25,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 798 transitions. [2024-10-13 13:22:25,345 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 798 transitions. Word has length 173 [2024-10-13 13:22:25,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:25,345 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 798 transitions. [2024-10-13 13:22:25,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 30.25) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 13:22:25,345 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 798 transitions. [2024-10-13 13:22:25,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-10-13 13:22:25,346 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:25,346 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:25,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-13 13:22:25,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-13 13:22:25,546 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:25,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:25,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1074714775, now seen corresponding path program 1 times [2024-10-13 13:22:25,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:25,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510009243] [2024-10-13 13:22:25,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:25,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:25,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610072605] [2024-10-13 13:22:25,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:25,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:25,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:25,568 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:25,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-13 13:22:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:25,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:22:25,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:25,964 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:22:25,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:26,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:26,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510009243] [2024-10-13 13:22:26,214 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:26,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610072605] [2024-10-13 13:22:26,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610072605] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:26,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:26,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-13 13:22:26,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792721388] [2024-10-13 13:22:26,215 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:26,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:22:26,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:26,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:22:26,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:26,215 INFO L87 Difference]: Start difference. First operand 636 states and 798 transitions. Second operand has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-13 13:22:26,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:26,975 INFO L93 Difference]: Finished difference Result 647 states and 798 transitions. [2024-10-13 13:22:26,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:22:26,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 174 [2024-10-13 13:22:26,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:26,977 INFO L225 Difference]: With dead ends: 647 [2024-10-13 13:22:26,977 INFO L226 Difference]: Without dead ends: 646 [2024-10-13 13:22:26,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:22:26,977 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 69 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:26,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 554 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:22:26,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2024-10-13 13:22:26,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 636. [2024-10-13 13:22:26,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4232283464566928) internal successors, (723), 595 states have internal predecessors, (723), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 797 transitions. [2024-10-13 13:22:26,993 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 797 transitions. Word has length 174 [2024-10-13 13:22:26,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:26,993 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 797 transitions. [2024-10-13 13:22:26,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.4) internal successors, (122), 6 states have internal predecessors, (122), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-10-13 13:22:26,993 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 797 transitions. [2024-10-13 13:22:26,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-10-13 13:22:26,993 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:26,994 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:27,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:27,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:27,194 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:27,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:27,194 INFO L85 PathProgramCache]: Analyzing trace with hash -2141452877, now seen corresponding path program 1 times [2024-10-13 13:22:27,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:27,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006406418] [2024-10-13 13:22:27,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:27,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:27,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [440182930] [2024-10-13 13:22:27,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:27,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:27,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:27,215 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:27,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-13 13:22:27,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:27,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-13 13:22:27,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:27,720 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:22:27,720 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:28,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:28,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006406418] [2024-10-13 13:22:28,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:28,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440182930] [2024-10-13 13:22:28,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440182930] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:28,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:28,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-13 13:22:28,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595504723] [2024-10-13 13:22:28,573 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:28,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:22:28,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:28,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:22:28,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:22:28,574 INFO L87 Difference]: Start difference. First operand 636 states and 797 transitions. Second operand has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 13:22:29,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:29,439 INFO L93 Difference]: Finished difference Result 640 states and 797 transitions. [2024-10-13 13:22:29,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:22:29,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 177 [2024-10-13 13:22:29,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:29,441 INFO L225 Difference]: With dead ends: 640 [2024-10-13 13:22:29,441 INFO L226 Difference]: Without dead ends: 636 [2024-10-13 13:22:29,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:22:29,442 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 27 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:29,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 416 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 13:22:29,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-13 13:22:29,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2024-10-13 13:22:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4153543307086613) internal successors, (719), 595 states have internal predecessors, (719), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 793 transitions. [2024-10-13 13:22:29,459 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 793 transitions. Word has length 177 [2024-10-13 13:22:29,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:29,459 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 793 transitions. [2024-10-13 13:22:29,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.0) internal successors, (125), 6 states have internal predecessors, (125), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 13:22:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 793 transitions. [2024-10-13 13:22:29,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-10-13 13:22:29,460 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:29,460 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:29,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:29,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:29,661 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:29,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:29,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1960529555, now seen corresponding path program 1 times [2024-10-13 13:22:29,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:29,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800758809] [2024-10-13 13:22:29,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:29,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:29,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [747555321] [2024-10-13 13:22:29,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:29,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:29,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:29,682 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:29,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-13 13:22:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:29,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:22:29,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:30,077 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:22:30,078 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:30,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:30,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800758809] [2024-10-13 13:22:30,339 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:30,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [747555321] [2024-10-13 13:22:30,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [747555321] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:30,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:30,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-13 13:22:30,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741080573] [2024-10-13 13:22:30,340 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:30,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:22:30,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:30,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:22:30,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:30,341 INFO L87 Difference]: Start difference. First operand 636 states and 793 transitions. Second operand has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 13:22:30,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:30,988 INFO L93 Difference]: Finished difference Result 640 states and 793 transitions. [2024-10-13 13:22:30,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:22:30,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 178 [2024-10-13 13:22:30,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:30,990 INFO L225 Difference]: With dead ends: 640 [2024-10-13 13:22:30,990 INFO L226 Difference]: Without dead ends: 636 [2024-10-13 13:22:30,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:30,991 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 44 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:30,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 502 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:22:30,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-13 13:22:31,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2024-10-13 13:22:31,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4074803149606299) internal successors, (715), 595 states have internal predecessors, (715), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:31,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 789 transitions. [2024-10-13 13:22:31,007 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 789 transitions. Word has length 178 [2024-10-13 13:22:31,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:31,007 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 789 transitions. [2024-10-13 13:22:31,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 25.2) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-10-13 13:22:31,007 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 789 transitions. [2024-10-13 13:22:31,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-10-13 13:22:31,008 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:31,009 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:31,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-13 13:22:31,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-10-13 13:22:31,209 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:31,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:31,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1759242747, now seen corresponding path program 1 times [2024-10-13 13:22:31,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:31,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004925770] [2024-10-13 13:22:31,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:31,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:31,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1451313923] [2024-10-13 13:22:31,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:31,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:31,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:31,231 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:31,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-13 13:22:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:31,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:22:31,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:31,563 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-13 13:22:31,563 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:31,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:31,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004925770] [2024-10-13 13:22:31,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:31,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451313923] [2024-10-13 13:22:31,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451313923] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:31,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:31,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-13 13:22:31,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873059349] [2024-10-13 13:22:31,758 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:31,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:22:31,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:31,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:22:31,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:31,759 INFO L87 Difference]: Start difference. First operand 636 states and 789 transitions. Second operand has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-13 13:22:32,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:32,390 INFO L93 Difference]: Finished difference Result 639 states and 789 transitions. [2024-10-13 13:22:32,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:22:32,391 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 196 [2024-10-13 13:22:32,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:32,392 INFO L225 Difference]: With dead ends: 639 [2024-10-13 13:22:32,392 INFO L226 Difference]: Without dead ends: 636 [2024-10-13 13:22:32,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:32,393 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 13 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:32,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 587 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:22:32,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-13 13:22:32,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 636. [2024-10-13 13:22:32,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 508 states have (on average 1.4015748031496063) internal successors, (712), 595 states have internal predecessors, (712), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:32,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 786 transitions. [2024-10-13 13:22:32,407 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 786 transitions. Word has length 196 [2024-10-13 13:22:32,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:32,407 INFO L471 AbstractCegarLoop]: Abstraction has 636 states and 786 transitions. [2024-10-13 13:22:32,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.8) internal successors, (139), 6 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-13 13:22:32,408 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 786 transitions. [2024-10-13 13:22:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-10-13 13:22:32,408 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:32,408 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:32,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:32,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-13 13:22:32,609 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:32,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:32,609 INFO L85 PathProgramCache]: Analyzing trace with hash -1298049470, now seen corresponding path program 1 times [2024-10-13 13:22:32,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:32,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946006829] [2024-10-13 13:22:32,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:32,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:32,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:32,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:22:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 13:22:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-10-13 13:22:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-10-13 13:22:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,791 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-13 13:22:32,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:32,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946006829] [2024-10-13 13:22:32,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946006829] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:32,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253071778] [2024-10-13 13:22:32,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:32,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:32,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:32,793 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:32,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-13 13:22:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:32,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:22:32,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:33,378 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-13 13:22:33,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:37,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253071778] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:37,515 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:22:37,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2024-10-13 13:22:37,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115130069] [2024-10-13 13:22:37,515 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:37,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:22:37,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:37,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:22:37,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=120, Unknown=1, NotChecked=0, Total=156 [2024-10-13 13:22:37,516 INFO L87 Difference]: Start difference. First operand 636 states and 786 transitions. Second operand has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-13 13:22:40,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:40,706 INFO L93 Difference]: Finished difference Result 636 states and 786 transitions. [2024-10-13 13:22:40,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:22:40,706 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 197 [2024-10-13 13:22:40,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:40,708 INFO L225 Difference]: With dead ends: 636 [2024-10-13 13:22:40,708 INFO L226 Difference]: Without dead ends: 632 [2024-10-13 13:22:40,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=99, Invalid=280, Unknown=1, NotChecked=0, Total=380 [2024-10-13 13:22:40,708 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 459 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:40,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 284 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-13 13:22:40,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-10-13 13:22:40,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 632. [2024-10-13 13:22:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 632 states, 508 states have (on average 1.375984251968504) internal successors, (699), 591 states have internal predecessors, (699), 37 states have call successors, (37), 5 states have call predecessors, (37), 5 states have return successors, (37), 35 states have call predecessors, (37), 37 states have call successors, (37) [2024-10-13 13:22:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 773 transitions. [2024-10-13 13:22:40,724 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 773 transitions. Word has length 197 [2024-10-13 13:22:40,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:40,724 INFO L471 AbstractCegarLoop]: Abstraction has 632 states and 773 transitions. [2024-10-13 13:22:40,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-10-13 13:22:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 773 transitions. [2024-10-13 13:22:40,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-13 13:22:40,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:40,725 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:22:40,741 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-13 13:22:40,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:40,926 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:40,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:40,926 INFO L85 PathProgramCache]: Analyzing trace with hash 974204166, now seen corresponding path program 1 times [2024-10-13 13:22:40,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:40,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357318084] [2024-10-13 13:22:40,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:40,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:40,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2088410166] [2024-10-13 13:22:40,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:40,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:40,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:40,944 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:40,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-13 13:22:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:41,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:22:41,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:41,363 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-13 13:22:41,363 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:41,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:41,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357318084] [2024-10-13 13:22:41,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:41,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088410166] [2024-10-13 13:22:41,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088410166] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:41,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:41,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-13 13:22:41,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614620980] [2024-10-13 13:22:41,436 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:41,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:22:41,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:41,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:22:41,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:41,437 INFO L87 Difference]: Start difference. First operand 632 states and 773 transitions. Second operand has 6 states, 5 states have (on average 28.8) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-13 13:22:42,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:42,123 INFO L93 Difference]: Finished difference Result 634 states and 773 transitions. [2024-10-13 13:22:42,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:22:42,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.8) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 201 [2024-10-13 13:22:42,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:42,125 INFO L225 Difference]: With dead ends: 634 [2024-10-13 13:22:42,125 INFO L226 Difference]: Without dead ends: 598 [2024-10-13 13:22:42,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:22:42,125 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 8 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 589 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:42,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 589 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:22:42,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2024-10-13 13:22:42,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 598. [2024-10-13 13:22:42,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 476 states have (on average 1.3970588235294117) internal successors, (665), 559 states have internal predecessors, (665), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:22:42,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 735 transitions. [2024-10-13 13:22:42,138 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 735 transitions. Word has length 201 [2024-10-13 13:22:42,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:42,139 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 735 transitions. [2024-10-13 13:22:42,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.8) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-13 13:22:42,139 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 735 transitions. [2024-10-13 13:22:42,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-13 13:22:42,139 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:42,139 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-13 13:22:42,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:42,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:42,344 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:42,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:42,344 INFO L85 PathProgramCache]: Analyzing trace with hash 916903759, now seen corresponding path program 1 times [2024-10-13 13:22:42,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:42,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178905107] [2024-10-13 13:22:42,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:42,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:42,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1725307295] [2024-10-13 13:22:42,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:42,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:42,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:42,363 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:42,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-13 13:22:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:42,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:22:42,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-10-13 13:22:42,552 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:42,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:42,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178905107] [2024-10-13 13:22:42,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:42,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725307295] [2024-10-13 13:22:42,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725307295] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:42,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:42,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-13 13:22:42,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300792842] [2024-10-13 13:22:42,622 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:42,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:22:42,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:42,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:22:42,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:22:42,622 INFO L87 Difference]: Start difference. First operand 598 states and 735 transitions. Second operand has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-13 13:22:42,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:42,706 INFO L93 Difference]: Finished difference Result 685 states and 759 transitions. [2024-10-13 13:22:42,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:22:42,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 201 [2024-10-13 13:22:42,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:42,708 INFO L225 Difference]: With dead ends: 685 [2024-10-13 13:22:42,708 INFO L226 Difference]: Without dead ends: 684 [2024-10-13 13:22:42,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:22:42,709 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 185 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:42,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 693 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:22:42,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2024-10-13 13:22:42,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 598. [2024-10-13 13:22:42,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 476 states have (on average 1.3949579831932772) internal successors, (664), 559 states have internal predecessors, (664), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:22:42,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 734 transitions. [2024-10-13 13:22:42,722 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 734 transitions. Word has length 201 [2024-10-13 13:22:42,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:42,722 INFO L471 AbstractCegarLoop]: Abstraction has 598 states and 734 transitions. [2024-10-13 13:22:42,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-10-13 13:22:42,723 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 734 transitions. [2024-10-13 13:22:42,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-13 13:22:42,723 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:42,724 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-13 13:22:42,736 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-13 13:22:42,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-10-13 13:22:42,924 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:42,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:42,925 INFO L85 PathProgramCache]: Analyzing trace with hash 2113204364, now seen corresponding path program 2 times [2024-10-13 13:22:42,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:42,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095243701] [2024-10-13 13:22:42,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:42,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:22:42,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1128350964] [2024-10-13 13:22:42,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:22:42,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:42,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:42,943 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:42,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-13 13:22:43,002 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:22:43,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:22:43,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-13 13:22:43,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:43,425 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:43,425 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:48,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:48,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095243701] [2024-10-13 13:22:48,081 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:22:48,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128350964] [2024-10-13 13:22:48,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128350964] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:48,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:22:48,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:22:48,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356706058] [2024-10-13 13:22:48,081 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:48,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:22:48,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:48,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:22:48,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=86, Unknown=1, NotChecked=0, Total=132 [2024-10-13 13:22:48,082 INFO L87 Difference]: Start difference. First operand 598 states and 734 transitions. Second operand has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-13 13:22:49,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:49,322 INFO L93 Difference]: Finished difference Result 640 states and 758 transitions. [2024-10-13 13:22:49,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:22:49,322 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 208 [2024-10-13 13:22:49,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:49,324 INFO L225 Difference]: With dead ends: 640 [2024-10-13 13:22:49,324 INFO L226 Difference]: Without dead ends: 618 [2024-10-13 13:22:49,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=45, Invalid=86, Unknown=1, NotChecked=0, Total=132 [2024-10-13 13:22:49,324 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 121 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 1898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:49,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 577 Invalid, 1898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1877 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 13:22:49,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-10-13 13:22:49,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 606. [2024-10-13 13:22:49,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 484 states have (on average 1.3491735537190082) internal successors, (653), 566 states have internal predecessors, (653), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:22:49,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 723 transitions. [2024-10-13 13:22:49,338 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 723 transitions. Word has length 208 [2024-10-13 13:22:49,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:49,339 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 723 transitions. [2024-10-13 13:22:49,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-13 13:22:49,339 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 723 transitions. [2024-10-13 13:22:49,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-10-13 13:22:49,339 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:49,339 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-13 13:22:49,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:49,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-13 13:22:49,540 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:49,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:49,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1084825935, now seen corresponding path program 2 times [2024-10-13 13:22:49,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:49,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134379291] [2024-10-13 13:22:49,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:49,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:49,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:49,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:49,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:49,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:49,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:49,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:49,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:49,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:49,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:22:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:49,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 13:22:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:49,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 13:22:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:49,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 13:22:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:49,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 13:22:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:49,692 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:49,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:49,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134379291] [2024-10-13 13:22:49,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134379291] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:49,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280448465] [2024-10-13 13:22:49,692 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:22:49,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:49,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:49,695 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:49,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-13 13:22:49,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:22:49,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:22:49,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:22:49,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:50,068 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:50,068 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:50,243 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:50,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280448465] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:50,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:22:50,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-13 13:22:50,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317535020] [2024-10-13 13:22:50,244 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:50,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:22:50,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:50,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:22:50,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:22:50,245 INFO L87 Difference]: Start difference. First operand 606 states and 723 transitions. Second operand has 13 states, 12 states have (on average 33.833333333333336) internal successors, (406), 13 states have internal predecessors, (406), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-13 13:22:51,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:51,524 INFO L93 Difference]: Finished difference Result 606 states and 723 transitions. [2024-10-13 13:22:51,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:22:51,524 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 33.833333333333336) internal successors, (406), 13 states have internal predecessors, (406), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 209 [2024-10-13 13:22:51,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:51,525 INFO L225 Difference]: With dead ends: 606 [2024-10-13 13:22:51,526 INFO L226 Difference]: Without dead ends: 599 [2024-10-13 13:22:51,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-10-13 13:22:51,526 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 432 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 1228 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:51,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 581 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1228 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 13:22:51,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-10-13 13:22:51,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2024-10-13 13:22:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 484 states have (on average 1.322314049586777) internal successors, (640), 559 states have internal predecessors, (640), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:22:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 710 transitions. [2024-10-13 13:22:51,539 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 710 transitions. Word has length 209 [2024-10-13 13:22:51,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:51,540 INFO L471 AbstractCegarLoop]: Abstraction has 599 states and 710 transitions. [2024-10-13 13:22:51,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 33.833333333333336) internal successors, (406), 13 states have internal predecessors, (406), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-13 13:22:51,540 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 710 transitions. [2024-10-13 13:22:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-13 13:22:51,540 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:51,541 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-13 13:22:51,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:51,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-13 13:22:51,744 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:51,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:51,745 INFO L85 PathProgramCache]: Analyzing trace with hash -730134290, now seen corresponding path program 2 times [2024-10-13 13:22:51,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:51,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927761916] [2024-10-13 13:22:51,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:51,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:22:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 13:22:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 13:22:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 13:22:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 13:22:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:51,878 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:51,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:51,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927761916] [2024-10-13 13:22:51,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927761916] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:51,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825219607] [2024-10-13 13:22:51,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:22:51,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:51,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:51,880 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:51,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-13 13:22:51,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:22:51,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:22:51,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:22:51,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:52,280 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:52,280 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:52,453 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:52,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825219607] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:22:52,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:22:52,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-10-13 13:22:52,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406273214] [2024-10-13 13:22:52,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:52,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:22:52,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:52,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:22:52,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:22:52,455 INFO L87 Difference]: Start difference. First operand 599 states and 710 transitions. Second operand has 13 states, 12 states have (on average 34.0) internal successors, (408), 13 states have internal predecessors, (408), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-13 13:22:53,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:22:53,455 INFO L93 Difference]: Finished difference Result 659 states and 755 transitions. [2024-10-13 13:22:53,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:22:53,455 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 34.0) internal successors, (408), 13 states have internal predecessors, (408), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 210 [2024-10-13 13:22:53,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:22:53,457 INFO L225 Difference]: With dead ends: 659 [2024-10-13 13:22:53,457 INFO L226 Difference]: Without dead ends: 657 [2024-10-13 13:22:53,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:22:53,457 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 376 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 13:22:53,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 784 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 13:22:53,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-10-13 13:22:53,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 624. [2024-10-13 13:22:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 506 states have (on average 1.3102766798418972) internal successors, (663), 581 states have internal predecessors, (663), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 13:22:53,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 739 transitions. [2024-10-13 13:22:53,472 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 739 transitions. Word has length 210 [2024-10-13 13:22:53,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:22:53,472 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 739 transitions. [2024-10-13 13:22:53,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 34.0) internal successors, (408), 13 states have internal predecessors, (408), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2024-10-13 13:22:53,472 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 739 transitions. [2024-10-13 13:22:53,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-13 13:22:53,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:22:53,473 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-13 13:22:53,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-10-13 13:22:53,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-13 13:22:53,674 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:22:53,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:22:53,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1579380400, now seen corresponding path program 1 times [2024-10-13 13:22:53,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:22:53,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517857242] [2024-10-13 13:22:53,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:53,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:22:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 13:22:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:22:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:22:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 13:22:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:22:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-13 13:22:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 13:22:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 13:22:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:22:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-13 13:22:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-10-13 13:22:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-13 13:22:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-13 13:22:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,863 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:53,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:22:53,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517857242] [2024-10-13 13:22:53,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517857242] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:53,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941123883] [2024-10-13 13:22:53,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:22:53,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:22:53,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:22:53,865 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:22:53,870 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-13 13:22:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:22:53,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:22:53,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:22:54,305 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:22:54,305 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:22:58,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941123883] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:22:58,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:22:58,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-10-13 13:22:58,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611700913] [2024-10-13 13:22:58,493 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:22:58,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:22:58,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:22:58,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:22:58,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:22:58,494 INFO L87 Difference]: Start difference. First operand 624 states and 739 transitions. Second operand has 11 states, 10 states have (on average 27.0) internal successors, (270), 11 states have internal predecessors, (270), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-10-13 13:23:06,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:23:06,195 INFO L93 Difference]: Finished difference Result 631 states and 742 transitions. [2024-10-13 13:23:06,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:23:06,195 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.0) internal successors, (270), 11 states have internal predecessors, (270), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 212 [2024-10-13 13:23:06,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:23:06,197 INFO L225 Difference]: With dead ends: 631 [2024-10-13 13:23:06,197 INFO L226 Difference]: Without dead ends: 619 [2024-10-13 13:23:06,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-10-13 13:23:06,197 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 767 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 1620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:23:06,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 720 Invalid, 1620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 1553 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2024-10-13 13:23:06,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2024-10-13 13:23:06,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2024-10-13 13:23:06,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 508 states have (on average 1.281496062992126) internal successors, (651), 575 states have internal predecessors, (651), 38 states have call successors, (38), 5 states have call predecessors, (38), 5 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-13 13:23:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 727 transitions. [2024-10-13 13:23:06,212 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 727 transitions. Word has length 212 [2024-10-13 13:23:06,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:23:06,212 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 727 transitions. [2024-10-13 13:23:06,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.0) internal successors, (270), 11 states have internal predecessors, (270), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2024-10-13 13:23:06,213 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 727 transitions. [2024-10-13 13:23:06,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-10-13 13:23:06,213 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:23:06,213 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2024-10-13 13:23:06,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-13 13:23:06,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-13 13:23:06,414 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:23:06,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:23:06,414 INFO L85 PathProgramCache]: Analyzing trace with hash 45329653, now seen corresponding path program 1 times [2024-10-13 13:23:06,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:23:06,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745974351] [2024-10-13 13:23:06,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:23:06,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:23:06,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:23:06,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [762720379] [2024-10-13 13:23:06,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:23:06,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:23:06,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:23:06,431 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:23:06,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-13 13:23:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:23:06,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-13 13:23:06,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:23:06,950 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:23:06,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:23:07,331 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-13 13:23:07,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:23:07,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745974351] [2024-10-13 13:23:07,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:23:07,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762720379] [2024-10-13 13:23:07,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762720379] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:23:07,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:23:07,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-10-13 13:23:07,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142519112] [2024-10-13 13:23:07,332 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:23:07,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 13:23:07,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:23:07,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 13:23:07,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:23:07,333 INFO L87 Difference]: Start difference. First operand 619 states and 727 transitions. Second operand has 16 states, 15 states have (on average 20.2) internal successors, (303), 16 states have internal predecessors, (303), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-10-13 13:23:15,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:23:15,918 INFO L93 Difference]: Finished difference Result 1012 states and 1270 transitions. [2024-10-13 13:23:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-13 13:23:15,918 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 20.2) internal successors, (303), 16 states have internal predecessors, (303), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 215 [2024-10-13 13:23:15,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:23:15,920 INFO L225 Difference]: With dead ends: 1012 [2024-10-13 13:23:15,920 INFO L226 Difference]: Without dead ends: 928 [2024-10-13 13:23:15,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2024-10-13 13:23:15,921 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 1246 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 3344 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 1114 SdHoareTripleChecker+Invalid, 3455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 3344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:23:15,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 1114 Invalid, 3455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 3344 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2024-10-13 13:23:15,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2024-10-13 13:23:15,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 723. [2024-10-13 13:23:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 605 states have (on average 1.3024793388429752) internal successors, (788), 672 states have internal predecessors, (788), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-13 13:23:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 878 transitions. [2024-10-13 13:23:15,941 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 878 transitions. Word has length 215 [2024-10-13 13:23:15,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:23:15,941 INFO L471 AbstractCegarLoop]: Abstraction has 723 states and 878 transitions. [2024-10-13 13:23:15,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 20.2) internal successors, (303), 16 states have internal predecessors, (303), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2024-10-13 13:23:15,942 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 878 transitions. [2024-10-13 13:23:15,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-10-13 13:23:15,942 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:23:15,943 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:23:15,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-10-13 13:23:16,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:23:16,146 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:23:16,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:23:16,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1341377715, now seen corresponding path program 2 times [2024-10-13 13:23:16,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:23:16,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518817771] [2024-10-13 13:23:16,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:23:16,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:23:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:23:16,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [836274077] [2024-10-13 13:23:16,174 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:23:16,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:23:16,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:23:16,176 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:23:16,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-13 13:23:16,240 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:23:16,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:23:16,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:23:16,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:23:16,801 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-13 13:23:16,801 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:23:17,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:23:17,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518817771] [2024-10-13 13:23:17,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:23:17,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836274077] [2024-10-13 13:23:17,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836274077] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:23:17,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:23:17,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-13 13:23:17,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312903904] [2024-10-13 13:23:17,459 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:23:17,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:23:17,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:23:17,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:23:17,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:23:17,459 INFO L87 Difference]: Start difference. First operand 723 states and 878 transitions. Second operand has 8 states, 7 states have (on average 25.714285714285715) internal successors, (180), 8 states have internal predecessors, (180), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-13 13:23:18,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:23:18,863 INFO L93 Difference]: Finished difference Result 724 states and 878 transitions. [2024-10-13 13:23:18,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 13:23:18,864 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.714285714285715) internal successors, (180), 8 states have internal predecessors, (180), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 257 [2024-10-13 13:23:18,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:23:18,866 INFO L225 Difference]: With dead ends: 724 [2024-10-13 13:23:18,866 INFO L226 Difference]: Without dead ends: 722 [2024-10-13 13:23:18,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=250, Unknown=0, NotChecked=0, Total=380 [2024-10-13 13:23:18,866 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 659 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:23:18,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [659 Valid, 212 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 13:23:18,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2024-10-13 13:23:18,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 721. [2024-10-13 13:23:18,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 605 states have (on average 1.2925619834710744) internal successors, (782), 670 states have internal predecessors, (782), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-13 13:23:18,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 872 transitions. [2024-10-13 13:23:18,890 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 872 transitions. Word has length 257 [2024-10-13 13:23:18,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:23:18,890 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 872 transitions. [2024-10-13 13:23:18,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.714285714285715) internal successors, (180), 8 states have internal predecessors, (180), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2024-10-13 13:23:18,891 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 872 transitions. [2024-10-13 13:23:18,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-10-13 13:23:18,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:23:18,891 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:23:18,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-13 13:23:19,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-10-13 13:23:19,092 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:23:19,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:23:19,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1366963611, now seen corresponding path program 2 times [2024-10-13 13:23:19,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:23:19,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408580109] [2024-10-13 13:23:19,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:23:19,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:23:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:23:19,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1693484160] [2024-10-13 13:23:19,111 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:23:19,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:23:19,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:23:19,113 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:23:19,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-13 13:23:19,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:23:19,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:23:19,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:23:19,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:23:19,757 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-13 13:23:19,757 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:23:20,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:23:20,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408580109] [2024-10-13 13:23:20,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:23:20,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693484160] [2024-10-13 13:23:20,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693484160] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:23:20,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:23:20,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-13 13:23:20,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774830738] [2024-10-13 13:23:20,132 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:23:20,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:23:20,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:23:20,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:23:20,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:23:20,133 INFO L87 Difference]: Start difference. First operand 721 states and 872 transitions. Second operand has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-13 13:23:21,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:23:21,481 INFO L93 Difference]: Finished difference Result 728 states and 872 transitions. [2024-10-13 13:23:21,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:23:21,482 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 258 [2024-10-13 13:23:21,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:23:21,484 INFO L225 Difference]: With dead ends: 728 [2024-10-13 13:23:21,484 INFO L226 Difference]: Without dead ends: 727 [2024-10-13 13:23:21,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:23:21,484 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 158 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:23:21,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 624 Invalid, 1738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1725 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 13:23:21,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-10-13 13:23:21,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 721. [2024-10-13 13:23:21,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 605 states have (on average 1.290909090909091) internal successors, (781), 670 states have internal predecessors, (781), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-13 13:23:21,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 871 transitions. [2024-10-13 13:23:21,507 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 871 transitions. Word has length 258 [2024-10-13 13:23:21,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:23:21,508 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 871 transitions. [2024-10-13 13:23:21,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 20.11111111111111) internal successors, (181), 10 states have internal predecessors, (181), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-10-13 13:23:21,508 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 871 transitions. [2024-10-13 13:23:21,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-10-13 13:23:21,508 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:23:21,509 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:23:21,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-10-13 13:23:21,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:23:21,709 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2024-10-13 13:23:21,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:23:21,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1667150135, now seen corresponding path program 2 times [2024-10-13 13:23:21,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:23:21,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026893770] [2024-10-13 13:23:21,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:23:21,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:23:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:23:21,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [729633779] [2024-10-13 13:23:21,726 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:23:21,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:23:21,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:23:21,728 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:23:21,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-13 13:23:21,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:23:21,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:23:21,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-10-13 13:23:21,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:23:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-10-13 13:23:23,448 INFO L311 TraceCheckSpWp]: Computing backward predicates...