./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-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 011044826c7a01c153d09406112c335d599fb158d7a4b72e6a624d5427477c0d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:21:40,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:21:40,228 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:21:40,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:21:40,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:21:40,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:21:40,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:21:40,270 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:21:40,271 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:21:40,274 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:21:40,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:21:40,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:21:40,275 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:21:40,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:21:40,278 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:21:40,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:21:40,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:21:40,279 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:21:40,279 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:21:40,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:21:40,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:21:40,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:21:40,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:21:40,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:21:40,284 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:21:40,285 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:21:40,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:21:40,285 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:21:40,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:21:40,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:21:40,286 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:21:40,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:21:40,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:21:40,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:21:40,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:21:40,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:21:40,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:21:40,288 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:21:40,288 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:21:40,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:21:40,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:21:40,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:21:40,290 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:21:40,290 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:21:40,291 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 011044826c7a01c153d09406112c335d599fb158d7a4b72e6a624d5427477c0d [2024-11-17 04:21:40,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:21:40,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:21:40,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:21:40,640 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:21:40,641 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:21:40,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.c [2024-11-17 04:21:42,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:21:42,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:21:42,226 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound5.c [2024-11-17 04:21:42,234 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20e563416/ff70878bd6314b37afabdb331523ec7f/FLAGefe491365 [2024-11-17 04:21:42,246 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20e563416/ff70878bd6314b37afabdb331523ec7f [2024-11-17 04:21:42,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:21:42,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:21:42,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:21:42,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:21:42,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:21:42,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:21:42" (1/1) ... [2024-11-17 04:21:42,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34baf3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42, skipping insertion in model container [2024-11-17 04:21:42,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:21:42" (1/1) ... [2024-11-17 04:21:42,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:21:42,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:21:42,536 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:21:42,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:21:42,577 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:21:42,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42 WrapperNode [2024-11-17 04:21:42,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:21:42,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:21:42,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:21:42,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:21:42,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42" (1/1) ... [2024-11-17 04:21:42,593 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42" (1/1) ... [2024-11-17 04:21:42,618 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2024-11-17 04:21:42,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:21:42,620 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:21:42,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:21:42,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:21:42,630 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42" (1/1) ... [2024-11-17 04:21:42,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42" (1/1) ... [2024-11-17 04:21:42,632 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42" (1/1) ... [2024-11-17 04:21:42,655 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 04:21:42,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42" (1/1) ... [2024-11-17 04:21:42,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42" (1/1) ... [2024-11-17 04:21:42,662 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42" (1/1) ... [2024-11-17 04:21:42,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42" (1/1) ... [2024-11-17 04:21:42,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42" (1/1) ... [2024-11-17 04:21:42,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42" (1/1) ... [2024-11-17 04:21:42,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:21:42,670 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:21:42,671 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:21:42,671 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:21:42,672 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42" (1/1) ... [2024-11-17 04:21:42,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:21:42,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:42,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 04:21:42,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 04:21:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:21:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:21:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:21:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:21:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:21:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:21:42,882 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:21:42,884 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:21:43,253 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live. [2024-11-17 04:21:43,253 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:21:43,268 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:21:43,268 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:21:43,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:21:43 BoogieIcfgContainer [2024-11-17 04:21:43,269 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:21:43,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:21:43,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:21:43,274 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:21:43,274 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:21:42" (1/3) ... [2024-11-17 04:21:43,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68af3814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:21:43, skipping insertion in model container [2024-11-17 04:21:43,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:21:42" (2/3) ... [2024-11-17 04:21:43,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68af3814 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:21:43, skipping insertion in model container [2024-11-17 04:21:43,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:21:43" (3/3) ... [2024-11-17 04:21:43,277 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_unwindbound5.c [2024-11-17 04:21:43,292 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:21:43,293 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-17 04:21:43,366 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:21:43,374 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;@791f392, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:21:43,374 INFO L334 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2024-11-17 04:21:43,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 58 states have (on average 1.7241379310344827) internal successors, (100), 92 states have internal predecessors, (100), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-17 04:21:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:21:43,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:43,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:21:43,388 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:43,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:43,394 INFO L85 PathProgramCache]: Analyzing trace with hash -390968034, now seen corresponding path program 1 times [2024-11-17 04:21:43,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:43,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607772082] [2024-11-17 04:21:43,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:43,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:43,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:43,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:43,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607772082] [2024-11-17 04:21:43,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607772082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:43,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:43,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:43,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003201049] [2024-11-17 04:21:43,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:43,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:21:43,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:43,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:21:43,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:21:43,584 INFO L87 Difference]: Start difference. First operand has 101 states, 58 states have (on average 1.7241379310344827) internal successors, (100), 92 states have internal predecessors, (100), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 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) [2024-11-17 04:21:43,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:43,616 INFO L93 Difference]: Finished difference Result 198 states and 230 transitions. [2024-11-17 04:21:43,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:21:43,618 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 [2024-11-17 04:21:43,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:43,627 INFO L225 Difference]: With dead ends: 198 [2024-11-17 04:21:43,627 INFO L226 Difference]: Without dead ends: 94 [2024-11-17 04:21:43,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:21:43,636 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:43,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:43,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-17 04:21:43,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-17 04:21:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 53 states have (on average 1.6981132075471699) internal successors, (90), 86 states have internal predecessors, (90), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:21:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 102 transitions. [2024-11-17 04:21:43,689 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 102 transitions. Word has length 6 [2024-11-17 04:21:43,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:43,690 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 102 transitions. [2024-11-17 04:21:43,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:43,690 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 102 transitions. [2024-11-17 04:21:43,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:21:43,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:43,690 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:21:43,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:21:43,691 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:43,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:43,691 INFO L85 PathProgramCache]: Analyzing trace with hash -390938243, now seen corresponding path program 1 times [2024-11-17 04:21:43,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:43,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925359100] [2024-11-17 04:21:43,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:43,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:43,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:43,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925359100] [2024-11-17 04:21:43,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925359100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:43,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:43,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:43,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116611605] [2024-11-17 04:21:43,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:43,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:43,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:43,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:43,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:43,820 INFO L87 Difference]: Start difference. First operand 94 states and 102 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:43,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:43,903 INFO L93 Difference]: Finished difference Result 134 states and 144 transitions. [2024-11-17 04:21:43,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:43,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 04:21:43,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:43,906 INFO L225 Difference]: With dead ends: 134 [2024-11-17 04:21:43,906 INFO L226 Difference]: Without dead ends: 133 [2024-11-17 04:21:43,907 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 [2024-11-17 04:21:43,908 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 42 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:43,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 280 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:43,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-17 04:21:43,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 111. [2024-11-17 04:21:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.671641791044776) internal successors, (112), 101 states have internal predecessors, (112), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:21:43,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2024-11-17 04:21:43,925 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 6 [2024-11-17 04:21:43,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:43,925 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2024-11-17 04:21:43,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:43,926 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2024-11-17 04:21:43,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:21:43,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:43,926 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:43,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:21:43,927 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:43,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:43,928 INFO L85 PathProgramCache]: Analyzing trace with hash 765816417, now seen corresponding path program 1 times [2024-11-17 04:21:43,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:43,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145337607] [2024-11-17 04:21:43,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:43,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:44,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:44,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:44,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145337607] [2024-11-17 04:21:44,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145337607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:44,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:44,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:44,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277762940] [2024-11-17 04:21:44,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:44,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:44,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:44,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:44,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:44,006 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:44,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:44,060 INFO L93 Difference]: Finished difference Result 120 states and 135 transitions. [2024-11-17 04:21:44,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:21:44,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-11-17 04:21:44,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:44,063 INFO L225 Difference]: With dead ends: 120 [2024-11-17 04:21:44,063 INFO L226 Difference]: Without dead ends: 111 [2024-11-17 04:21:44,063 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 [2024-11-17 04:21:44,064 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 5 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:44,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 283 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:44,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-17 04:21:44,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-17 04:21:44,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.6417910447761195) internal successors, (110), 101 states have internal predecessors, (110), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:21:44,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions. [2024-11-17 04:21:44,083 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 7 [2024-11-17 04:21:44,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:44,083 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions. [2024-11-17 04:21:44,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:44,084 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2024-11-17 04:21:44,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 04:21:44,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:44,084 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:44,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:21:44,085 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:44,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:44,086 INFO L85 PathProgramCache]: Analyzing trace with hash -429336967, now seen corresponding path program 1 times [2024-11-17 04:21:44,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:44,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141535169] [2024-11-17 04:21:44,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:44,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:44,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1136091226] [2024-11-17 04:21:44,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:44,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:44,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:44,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:21:44,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:21:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:44,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:21:44,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:44,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:44,181 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:44,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:44,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141535169] [2024-11-17 04:21:44,182 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:44,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136091226] [2024-11-17 04:21:44,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1136091226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:44,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:44,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:44,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491599153] [2024-11-17 04:21:44,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:44,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:21:44,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:44,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:21:44,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:44,185 INFO L87 Difference]: Start difference. First operand 111 states and 126 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:44,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:44,269 INFO L93 Difference]: Finished difference Result 126 states and 135 transitions. [2024-11-17 04:21:44,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:21:44,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2024-11-17 04:21:44,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:44,271 INFO L225 Difference]: With dead ends: 126 [2024-11-17 04:21:44,271 INFO L226 Difference]: Without dead ends: 124 [2024-11-17 04:21:44,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:44,272 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 18 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:44,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 177 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:44,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-17 04:21:44,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 111. [2024-11-17 04:21:44,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.6119402985074627) internal successors, (108), 101 states have internal predecessors, (108), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:21:44,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 124 transitions. [2024-11-17 04:21:44,290 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 124 transitions. Word has length 10 [2024-11-17 04:21:44,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:44,291 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 124 transitions. [2024-11-17 04:21:44,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:21:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 124 transitions. [2024-11-17 04:21:44,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 04:21:44,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:44,292 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:44,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:21:44,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:44,493 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:44,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:44,493 INFO L85 PathProgramCache]: Analyzing trace with hash -395538071, now seen corresponding path program 1 times [2024-11-17 04:21:44,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:44,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522825513] [2024-11-17 04:21:44,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:44,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:44,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [146977679] [2024-11-17 04:21:44,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:44,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:44,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:44,528 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:21:44,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:21:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:44,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:21:44,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:44,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:44,614 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:44,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:44,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522825513] [2024-11-17 04:21:44,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:44,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146977679] [2024-11-17 04:21:44,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146977679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:44,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:44,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:44,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84121751] [2024-11-17 04:21:44,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:44,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:21:44,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:44,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:21:44,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:44,622 INFO L87 Difference]: Start difference. First operand 111 states and 124 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:44,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:44,822 INFO L93 Difference]: Finished difference Result 172 states and 195 transitions. [2024-11-17 04:21:44,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:21:44,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-17 04:21:44,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:44,824 INFO L225 Difference]: With dead ends: 172 [2024-11-17 04:21:44,824 INFO L226 Difference]: Without dead ends: 166 [2024-11-17 04:21:44,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:44,825 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 56 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:44,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 152 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:21:44,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-17 04:21:44,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 142. [2024-11-17 04:21:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 94 states have (on average 1.6170212765957446) internal successors, (152), 127 states have internal predecessors, (152), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:44,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 176 transitions. [2024-11-17 04:21:44,843 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 176 transitions. Word has length 17 [2024-11-17 04:21:44,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:44,843 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 176 transitions. [2024-11-17 04:21:44,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:44,844 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 176 transitions. [2024-11-17 04:21:44,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:21:44,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:44,846 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:44,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:21:45,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:45,048 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:45,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:45,048 INFO L85 PathProgramCache]: Analyzing trace with hash 2140004711, now seen corresponding path program 1 times [2024-11-17 04:21:45,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:45,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660311335] [2024-11-17 04:21:45,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:45,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:45,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [125386803] [2024-11-17 04:21:45,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:45,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:45,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:45,078 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:21:45,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:21:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:21:45,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:45,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:45,252 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:45,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:45,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660311335] [2024-11-17 04:21:45,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:45,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125386803] [2024-11-17 04:21:45,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125386803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:45,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:45,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:45,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405544967] [2024-11-17 04:21:45,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:45,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:45,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:45,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:45,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:45,258 INFO L87 Difference]: Start difference. First operand 142 states and 176 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:45,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:45,450 INFO L93 Difference]: Finished difference Result 164 states and 184 transitions. [2024-11-17 04:21:45,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:45,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-17 04:21:45,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:45,452 INFO L225 Difference]: With dead ends: 164 [2024-11-17 04:21:45,452 INFO L226 Difference]: Without dead ends: 161 [2024-11-17 04:21:45,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:45,453 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 197 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:45,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 151 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:21:45,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-17 04:21:45,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 143. [2024-11-17 04:21:45,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 95 states have (on average 1.5894736842105264) internal successors, (151), 128 states have internal predecessors, (151), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 175 transitions. [2024-11-17 04:21:45,468 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 175 transitions. Word has length 19 [2024-11-17 04:21:45,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:45,468 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 175 transitions. [2024-11-17 04:21:45,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:45,469 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 175 transitions. [2024-11-17 04:21:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 04:21:45,469 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:45,469 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:45,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:45,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:45,670 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:45,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:45,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1915636647, now seen corresponding path program 1 times [2024-11-17 04:21:45,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:45,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894405837] [2024-11-17 04:21:45,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:45,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:45,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1323486016] [2024-11-17 04:21:45,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:45,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:45,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:45,688 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:21:45,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:21:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:45,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:21:45,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:45,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:21:45,798 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:45,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:45,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894405837] [2024-11-17 04:21:45,799 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:45,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323486016] [2024-11-17 04:21:45,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323486016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:45,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:45,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:45,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231586512] [2024-11-17 04:21:45,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:45,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:45,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:45,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:45,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:45,801 INFO L87 Difference]: Start difference. First operand 143 states and 175 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:45,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:45,934 INFO L93 Difference]: Finished difference Result 164 states and 181 transitions. [2024-11-17 04:21:45,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:45,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-17 04:21:45,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:45,935 INFO L225 Difference]: With dead ends: 164 [2024-11-17 04:21:45,935 INFO L226 Difference]: Without dead ends: 157 [2024-11-17 04:21:45,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:45,937 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 193 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:45,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 154 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:45,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-17 04:21:45,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 140. [2024-11-17 04:21:45,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 92 states have (on average 1.576086956521739) internal successors, (145), 125 states have internal predecessors, (145), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 169 transitions. [2024-11-17 04:21:45,948 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 169 transitions. Word has length 20 [2024-11-17 04:21:45,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:45,948 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 169 transitions. [2024-11-17 04:21:45,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:21:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 169 transitions. [2024-11-17 04:21:45,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 04:21:45,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:45,950 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:45,967 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:21:46,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:46,155 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:46,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:46,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1418721612, now seen corresponding path program 1 times [2024-11-17 04:21:46,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:46,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760579408] [2024-11-17 04:21:46,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:46,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:46,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:21:46,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:46,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760579408] [2024-11-17 04:21:46,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760579408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:46,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:46,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:21:46,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453236545] [2024-11-17 04:21:46,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:46,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:21:46,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:46,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:21:46,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:21:46,300 INFO L87 Difference]: Start difference. First operand 140 states and 169 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:46,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:46,370 INFO L93 Difference]: Finished difference Result 140 states and 169 transitions. [2024-11-17 04:21:46,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:21:46,371 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-17 04:21:46,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:46,373 INFO L225 Difference]: With dead ends: 140 [2024-11-17 04:21:46,374 INFO L226 Difference]: Without dead ends: 138 [2024-11-17 04:21:46,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:21:46,375 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 91 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:46,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 259 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:46,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-17 04:21:46,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-17 04:21:46,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 92 states have (on average 1.5434782608695652) internal successors, (142), 123 states have internal predecessors, (142), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:46,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 166 transitions. [2024-11-17 04:21:46,386 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 166 transitions. Word has length 28 [2024-11-17 04:21:46,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:46,386 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 166 transitions. [2024-11-17 04:21:46,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:46,387 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 166 transitions. [2024-11-17 04:21:46,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-17 04:21:46,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:46,387 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:46,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:21:46,388 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:46,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:46,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1030697047, now seen corresponding path program 1 times [2024-11-17 04:21:46,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:46,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648605709] [2024-11-17 04:21:46,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:46,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:21:46,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:46,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648605709] [2024-11-17 04:21:46,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648605709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:46,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:46,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:21:46,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945732509] [2024-11-17 04:21:46,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:46,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:21:46,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:46,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:21:46,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:21:46,498 INFO L87 Difference]: Start difference. First operand 138 states and 166 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:46,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:46,575 INFO L93 Difference]: Finished difference Result 231 states and 269 transitions. [2024-11-17 04:21:46,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:21:46,576 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-17 04:21:46,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:46,577 INFO L225 Difference]: With dead ends: 231 [2024-11-17 04:21:46,577 INFO L226 Difference]: Without dead ends: 143 [2024-11-17 04:21:46,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:21:46,579 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 14 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:46,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 439 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:46,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-17 04:21:46,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-17 04:21:46,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 97 states have (on average 1.5154639175257731) internal successors, (147), 128 states have internal predecessors, (147), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:21:46,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 171 transitions. [2024-11-17 04:21:46,596 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 171 transitions. Word has length 29 [2024-11-17 04:21:46,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:46,597 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 171 transitions. [2024-11-17 04:21:46,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:46,597 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 171 transitions. [2024-11-17 04:21:46,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-17 04:21:46,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:46,598 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:46,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 04:21:46,598 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:46,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:46,601 INFO L85 PathProgramCache]: Analyzing trace with hash 774561800, now seen corresponding path program 1 times [2024-11-17 04:21:46,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:46,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107751255] [2024-11-17 04:21:46,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:46,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:46,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [342969217] [2024-11-17 04:21:46,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:46,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:46,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:46,631 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:21:46,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:21:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:46,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:21:46,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:46,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:21:46,745 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:46,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:46,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107751255] [2024-11-17 04:21:46,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:46,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342969217] [2024-11-17 04:21:46,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342969217] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:46,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:46,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:46,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748654053] [2024-11-17 04:21:46,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:46,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:46,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:46,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:46,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:46,748 INFO L87 Difference]: Start difference. First operand 143 states and 171 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:46,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:46,990 INFO L93 Difference]: Finished difference Result 223 states and 294 transitions. [2024-11-17 04:21:46,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:46,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-17 04:21:46,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:46,992 INFO L225 Difference]: With dead ends: 223 [2024-11-17 04:21:46,992 INFO L226 Difference]: Without dead ends: 218 [2024-11-17 04:21:46,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:46,993 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 129 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:46,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 105 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:21:46,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-17 04:21:47,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 198. [2024-11-17 04:21:47,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 144 states have (on average 1.5277777777777777) internal successors, (220), 175 states have internal predecessors, (220), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:47,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 260 transitions. [2024-11-17 04:21:47,015 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 260 transitions. Word has length 32 [2024-11-17 04:21:47,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:47,015 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 260 transitions. [2024-11-17 04:21:47,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 260 transitions. [2024-11-17 04:21:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-17 04:21:47,016 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:47,019 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:21:47,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:47,219 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,SelfDestructingSolverStorable9 [2024-11-17 04:21:47,220 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:47,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:47,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1758387948, now seen corresponding path program 1 times [2024-11-17 04:21:47,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:47,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767859293] [2024-11-17 04:21:47,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:47,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:47,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831284837] [2024-11-17 04:21:47,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:47,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:47,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:47,240 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:21:47,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:21:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:21:47,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:47,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:21:47,365 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:47,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:47,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767859293] [2024-11-17 04:21:47,365 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:47,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831284837] [2024-11-17 04:21:47,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831284837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:47,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:47,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:47,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956063630] [2024-11-17 04:21:47,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:47,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:47,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:47,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:47,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:47,367 INFO L87 Difference]: Start difference. First operand 198 states and 260 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:47,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:47,511 INFO L93 Difference]: Finished difference Result 221 states and 285 transitions. [2024-11-17 04:21:47,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:47,512 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-17 04:21:47,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:47,514 INFO L225 Difference]: With dead ends: 221 [2024-11-17 04:21:47,514 INFO L226 Difference]: Without dead ends: 218 [2024-11-17 04:21:47,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:47,515 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 96 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:47,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 117 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:47,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-17 04:21:47,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 199. [2024-11-17 04:21:47,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 145 states have (on average 1.4965517241379311) internal successors, (217), 176 states have internal predecessors, (217), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:47,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 257 transitions. [2024-11-17 04:21:47,533 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 257 transitions. Word has length 33 [2024-11-17 04:21:47,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:47,533 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 257 transitions. [2024-11-17 04:21:47,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:21:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 257 transitions. [2024-11-17 04:21:47,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-17 04:21:47,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:47,534 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] [2024-11-17 04:21:47,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:47,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:47,735 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:47,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:47,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1584173418, now seen corresponding path program 1 times [2024-11-17 04:21:47,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:47,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413565774] [2024-11-17 04:21:47,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:47,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:47,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:47,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:47,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:47,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413565774] [2024-11-17 04:21:47,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413565774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:47,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:47,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:47,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363259817] [2024-11-17 04:21:47,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:47,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:47,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:47,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:47,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:47,856 INFO L87 Difference]: Start difference. First operand 199 states and 257 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:48,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:48,321 INFO L93 Difference]: Finished difference Result 238 states and 290 transitions. [2024-11-17 04:21:48,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:21:48,322 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2024-11-17 04:21:48,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:48,325 INFO L225 Difference]: With dead ends: 238 [2024-11-17 04:21:48,325 INFO L226 Difference]: Without dead ends: 236 [2024-11-17 04:21:48,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:48,326 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 148 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:48,327 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 98 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:21:48,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-17 04:21:48,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 203. [2024-11-17 04:21:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 149 states have (on average 1.4697986577181208) internal successors, (219), 180 states have internal predecessors, (219), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 259 transitions. [2024-11-17 04:21:48,343 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 259 transitions. Word has length 53 [2024-11-17 04:21:48,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:48,343 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 259 transitions. [2024-11-17 04:21:48,344 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 259 transitions. [2024-11-17 04:21:48,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 04:21:48,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:48,345 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] [2024-11-17 04:21:48,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 04:21:48,345 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:48,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:48,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1864735715, now seen corresponding path program 1 times [2024-11-17 04:21:48,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:48,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317338145] [2024-11-17 04:21:48,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:48,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:48,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:48,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317338145] [2024-11-17 04:21:48,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317338145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:48,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:48,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:48,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707470774] [2024-11-17 04:21:48,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:48,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:48,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:48,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:48,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:48,433 INFO L87 Difference]: Start difference. First operand 203 states and 259 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:48,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:48,590 INFO L93 Difference]: Finished difference Result 238 states and 286 transitions. [2024-11-17 04:21:48,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:21:48,591 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-11-17 04:21:48,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:48,593 INFO L225 Difference]: With dead ends: 238 [2024-11-17 04:21:48,593 INFO L226 Difference]: Without dead ends: 236 [2024-11-17 04:21:48,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:48,594 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 145 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:48,594 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 100 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:48,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-17 04:21:48,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 205. [2024-11-17 04:21:48,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 151 states have (on average 1.4503311258278146) internal successors, (219), 182 states have internal predecessors, (219), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:48,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 259 transitions. [2024-11-17 04:21:48,612 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 259 transitions. Word has length 54 [2024-11-17 04:21:48,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:48,613 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 259 transitions. [2024-11-17 04:21:48,613 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:48,613 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 259 transitions. [2024-11-17 04:21:48,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 04:21:48,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:48,614 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] [2024-11-17 04:21:48,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 04:21:48,614 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:48,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:48,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1009660014, now seen corresponding path program 1 times [2024-11-17 04:21:48,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:48,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206470964] [2024-11-17 04:21:48,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:48,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,696 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:48,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:48,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206470964] [2024-11-17 04:21:48,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206470964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:48,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:48,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:21:48,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001877685] [2024-11-17 04:21:48,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:48,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:21:48,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:48,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:21:48,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:48,702 INFO L87 Difference]: Start difference. First operand 205 states and 259 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:48,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:48,758 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2024-11-17 04:21:48,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:21:48,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-11-17 04:21:48,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:48,760 INFO L225 Difference]: With dead ends: 213 [2024-11-17 04:21:48,761 INFO L226 Difference]: Without dead ends: 212 [2024-11-17 04:21:48,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:21:48,762 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 18 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:48,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 156 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:21:48,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-17 04:21:48,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 205. [2024-11-17 04:21:48,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 151 states have (on average 1.4437086092715232) internal successors, (218), 182 states have internal predecessors, (218), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:48,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 258 transitions. [2024-11-17 04:21:48,776 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 258 transitions. Word has length 56 [2024-11-17 04:21:48,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:48,776 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 258 transitions. [2024-11-17 04:21:48,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:48,776 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 258 transitions. [2024-11-17 04:21:48,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 04:21:48,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:48,779 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] [2024-11-17 04:21:48,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 04:21:48,779 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:48,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:48,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1009660064, now seen corresponding path program 1 times [2024-11-17 04:21:48,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:48,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590709119] [2024-11-17 04:21:48,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:48,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:48,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:48,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590709119] [2024-11-17 04:21:48,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590709119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:48,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:48,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:48,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431587367] [2024-11-17 04:21:48,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:48,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:48,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:48,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:48,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:48,945 INFO L87 Difference]: Start difference. First operand 205 states and 258 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-17 04:21:49,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:49,016 INFO L93 Difference]: Finished difference Result 205 states and 258 transitions. [2024-11-17 04:21:49,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:49,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 56 [2024-11-17 04:21:49,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:49,019 INFO L225 Difference]: With dead ends: 205 [2024-11-17 04:21:49,019 INFO L226 Difference]: Without dead ends: 204 [2024-11-17 04:21:49,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:49,020 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 70 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:49,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 68 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:49,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-17 04:21:49,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-17 04:21:49,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 151 states have (on average 1.4172185430463575) internal successors, (214), 181 states have internal predecessors, (214), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-17 04:21:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 254 transitions. [2024-11-17 04:21:49,036 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 254 transitions. Word has length 56 [2024-11-17 04:21:49,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:49,036 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 254 transitions. [2024-11-17 04:21:49,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-17 04:21:49,036 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 254 transitions. [2024-11-17 04:21:49,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-17 04:21:49,039 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:49,039 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] [2024-11-17 04:21:49,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 04:21:49,039 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:49,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:49,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1234689350, now seen corresponding path program 1 times [2024-11-17 04:21:49,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:49,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861430338] [2024-11-17 04:21:49,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:49,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,121 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:49,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:49,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861430338] [2024-11-17 04:21:49,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861430338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:49,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:49,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:21:49,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621734412] [2024-11-17 04:21:49,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:49,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:21:49,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:49,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:21:49,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:49,124 INFO L87 Difference]: Start difference. First operand 204 states and 254 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-11-17 04:21:49,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:49,230 INFO L93 Difference]: Finished difference Result 326 states and 412 transitions. [2024-11-17 04:21:49,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:21:49,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 57 [2024-11-17 04:21:49,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:49,232 INFO L225 Difference]: With dead ends: 326 [2024-11-17 04:21:49,232 INFO L226 Difference]: Without dead ends: 325 [2024-11-17 04:21:49,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:21:49,233 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 211 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:49,233 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 231 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:49,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-17 04:21:49,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 292. [2024-11-17 04:21:49,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 229 states have (on average 1.4585152838427948) internal successors, (334), 259 states have internal predecessors, (334), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-17 04:21:49,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 394 transitions. [2024-11-17 04:21:49,249 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 394 transitions. Word has length 57 [2024-11-17 04:21:49,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:49,250 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 394 transitions. [2024-11-17 04:21:49,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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) [2024-11-17 04:21:49,250 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 394 transitions. [2024-11-17 04:21:49,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-17 04:21:49,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:49,251 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] [2024-11-17 04:21:49,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 04:21:49,252 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:49,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:49,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1234690919, now seen corresponding path program 1 times [2024-11-17 04:21:49,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:49,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492543782] [2024-11-17 04:21:49,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:49,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,348 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:49,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:49,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492543782] [2024-11-17 04:21:49,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492543782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:49,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:49,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:21:49,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576360048] [2024-11-17 04:21:49,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:49,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:21:49,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:49,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:21:49,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:21:49,351 INFO L87 Difference]: Start difference. First operand 292 states and 394 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:49,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:49,886 INFO L93 Difference]: Finished difference Result 413 states and 553 transitions. [2024-11-17 04:21:49,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:21:49,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2024-11-17 04:21:49,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:49,889 INFO L225 Difference]: With dead ends: 413 [2024-11-17 04:21:49,889 INFO L226 Difference]: Without dead ends: 412 [2024-11-17 04:21:49,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:21:49,889 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 355 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:49,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 302 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:21:49,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-17 04:21:49,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 370. [2024-11-17 04:21:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 297 states have (on average 1.4511784511784511) internal successors, (431), 327 states have internal predecessors, (431), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-17 04:21:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 511 transitions. [2024-11-17 04:21:49,913 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 511 transitions. Word has length 57 [2024-11-17 04:21:49,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:49,913 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 511 transitions. [2024-11-17 04:21:49,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:49,913 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 511 transitions. [2024-11-17 04:21:49,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-17 04:21:49,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:49,914 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] [2024-11-17 04:21:49,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-17 04:21:49,915 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:49,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:49,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1125491236, now seen corresponding path program 1 times [2024-11-17 04:21:49,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:49,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407462205] [2024-11-17 04:21:49,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:49,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:49,992 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:49,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:49,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407462205] [2024-11-17 04:21:49,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407462205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:49,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:49,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:21:49,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444735821] [2024-11-17 04:21:49,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:49,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:21:49,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:49,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:21:49,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:49,995 INFO L87 Difference]: Start difference. First operand 370 states and 511 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:50,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:50,286 INFO L93 Difference]: Finished difference Result 403 states and 538 transitions. [2024-11-17 04:21:50,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:21:50,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-11-17 04:21:50,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:50,290 INFO L225 Difference]: With dead ends: 403 [2024-11-17 04:21:50,290 INFO L226 Difference]: Without dead ends: 401 [2024-11-17 04:21:50,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:21:50,291 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 54 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:50,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 193 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:21:50,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2024-11-17 04:21:50,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 375. [2024-11-17 04:21:50,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 375 states, 302 states have (on average 1.4437086092715232) internal successors, (436), 332 states have internal predecessors, (436), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-17 04:21:50,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 516 transitions. [2024-11-17 04:21:50,316 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 516 transitions. Word has length 59 [2024-11-17 04:21:50,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:50,316 INFO L471 AbstractCegarLoop]: Abstraction has 375 states and 516 transitions. [2024-11-17 04:21:50,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:50,317 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 516 transitions. [2024-11-17 04:21:50,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-17 04:21:50,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:50,317 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] [2024-11-17 04:21:50,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-17 04:21:50,318 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:50,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:50,318 INFO L85 PathProgramCache]: Analyzing trace with hash 261576157, now seen corresponding path program 1 times [2024-11-17 04:21:50,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:50,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695583460] [2024-11-17 04:21:50,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:50,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:50,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:50,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:50,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:50,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:50,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:50,448 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:50,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:50,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695583460] [2024-11-17 04:21:50,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695583460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:50,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798440105] [2024-11-17 04:21:50,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:50,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:50,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:50,451 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:21:50,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:21:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:50,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:21:50,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:50,610 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:21:50,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:21:50,768 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:50,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798440105] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:50,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:21:50,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 17 [2024-11-17 04:21:50,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328555863] [2024-11-17 04:21:50,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:50,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:21:50,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:50,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:21:50,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:21:50,772 INFO L87 Difference]: Start difference. First operand 375 states and 516 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:50,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:50,917 INFO L93 Difference]: Finished difference Result 416 states and 547 transitions. [2024-11-17 04:21:50,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:21:50,918 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-17 04:21:50,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:50,921 INFO L225 Difference]: With dead ends: 416 [2024-11-17 04:21:50,921 INFO L226 Difference]: Without dead ends: 414 [2024-11-17 04:21:50,921 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:21:50,922 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 125 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:50,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 416 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:50,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-17 04:21:50,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 383. [2024-11-17 04:21:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 308 states have (on average 1.4090909090909092) internal successors, (434), 338 states have internal predecessors, (434), 40 states have call successors, (40), 4 states have call predecessors, (40), 4 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-17 04:21:50,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 514 transitions. [2024-11-17 04:21:50,946 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 514 transitions. Word has length 64 [2024-11-17 04:21:50,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:50,947 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 514 transitions. [2024-11-17 04:21:50,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:21:50,947 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 514 transitions. [2024-11-17 04:21:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 04:21:50,949 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:50,949 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] [2024-11-17 04:21:50,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:21:51,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:51,150 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:51,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:51,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1544678673, now seen corresponding path program 1 times [2024-11-17 04:21:51,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:51,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348164253] [2024-11-17 04:21:51,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:51,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:51,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:51,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348164253] [2024-11-17 04:21:51,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348164253] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:51,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1347460045] [2024-11-17 04:21:51,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:51,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:51,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:51,279 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:21:51,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:21:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:51,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:21:51,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:51,415 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:21:51,418 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:21:51,532 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-17 04:21:51,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1347460045] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:21:51,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:21:51,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 12 [2024-11-17 04:21:51,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577266291] [2024-11-17 04:21:51,533 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:21:51,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:21:51,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:51,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:21:51,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:21:51,534 INFO L87 Difference]: Start difference. First operand 383 states and 514 transitions. Second operand has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-17 04:21:51,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:51,745 INFO L93 Difference]: Finished difference Result 706 states and 895 transitions. [2024-11-17 04:21:51,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 04:21:51,745 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 67 [2024-11-17 04:21:51,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:51,748 INFO L225 Difference]: With dead ends: 706 [2024-11-17 04:21:51,748 INFO L226 Difference]: Without dead ends: 532 [2024-11-17 04:21:51,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 137 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:21:51,751 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 97 mSDsluCounter, 583 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:51,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 672 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:21:51,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-17 04:21:51,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 481. [2024-11-17 04:21:51,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 392 states have (on average 1.3801020408163265) internal successors, (541), 424 states have internal predecessors, (541), 50 states have call successors, (50), 8 states have call predecessors, (50), 8 states have return successors, (50), 48 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-17 04:21:51,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 641 transitions. [2024-11-17 04:21:51,785 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 641 transitions. Word has length 67 [2024-11-17 04:21:51,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:51,786 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 641 transitions. [2024-11-17 04:21:51,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.416666666666667) internal successors, (89), 12 states have internal predecessors, (89), 4 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-11-17 04:21:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 641 transitions. [2024-11-17 04:21:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-17 04:21:51,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:51,787 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:21:51,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:51,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:51,989 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:51,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:51,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1295011301, now seen corresponding path program 1 times [2024-11-17 04:21:51,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:51,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370676608] [2024-11-17 04:21:51,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:51,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:52,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2096534824] [2024-11-17 04:21:52,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:52,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:52,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:52,010 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:21:52,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:21:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:52,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:21:52,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:52,423 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:21:52,423 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:52,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:52,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370676608] [2024-11-17 04:21:52,423 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:52,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096534824] [2024-11-17 04:21:52,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096534824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:52,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:52,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:21:52,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906621330] [2024-11-17 04:21:52,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:52,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:21:52,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:52,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:21:52,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:21:52,425 INFO L87 Difference]: Start difference. First operand 481 states and 641 transitions. Second operand has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:52,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:52,855 INFO L93 Difference]: Finished difference Result 702 states and 943 transitions. [2024-11-17 04:21:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:21:52,855 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 74 [2024-11-17 04:21:52,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:52,858 INFO L225 Difference]: With dead ends: 702 [2024-11-17 04:21:52,859 INFO L226 Difference]: Without dead ends: 693 [2024-11-17 04:21:52,859 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:21:52,860 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 313 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:52,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 216 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:21:52,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-17 04:21:52,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 658. [2024-11-17 04:21:52,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 658 states, 549 states have (on average 1.355191256830601) internal successors, (744), 581 states have internal predecessors, (744), 70 states have call successors, (70), 8 states have call predecessors, (70), 8 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-17 04:21:52,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 884 transitions. [2024-11-17 04:21:52,898 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 884 transitions. Word has length 74 [2024-11-17 04:21:52,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:52,898 INFO L471 AbstractCegarLoop]: Abstraction has 658 states and 884 transitions. [2024-11-17 04:21:52,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.833333333333333) internal successors, (47), 7 states have internal predecessors, (47), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 884 transitions. [2024-11-17 04:21:52,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-17 04:21:52,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:52,899 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:21:52,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:21:53,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:53,100 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:53,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:53,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1490644717, now seen corresponding path program 1 times [2024-11-17 04:21:53,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:53,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319324273] [2024-11-17 04:21:53,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:53,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:53,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [737834949] [2024-11-17 04:21:53,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:53,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:53,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:53,131 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:21:53,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:21:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:53,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:21:53,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:53,530 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:21:53,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:21:54,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:54,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319324273] [2024-11-17 04:21:54,411 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:54,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737834949] [2024-11-17 04:21:54,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737834949] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:21:54,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:21:54,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:21:54,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138179957] [2024-11-17 04:21:54,412 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:21:54,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:21:54,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:54,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:21:54,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:21:54,413 INFO L87 Difference]: Start difference. First operand 658 states and 884 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:54,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:54,683 INFO L93 Difference]: Finished difference Result 739 states and 976 transitions. [2024-11-17 04:21:54,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:21:54,683 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 75 [2024-11-17 04:21:54,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:54,687 INFO L225 Difference]: With dead ends: 739 [2024-11-17 04:21:54,687 INFO L226 Difference]: Without dead ends: 736 [2024-11-17 04:21:54,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:21:54,689 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 171 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:54,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 213 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:21:54,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-17 04:21:54,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 693. [2024-11-17 04:21:54,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 580 states have (on average 1.353448275862069) internal successors, (785), 611 states have internal predecessors, (785), 74 states have call successors, (74), 8 states have call predecessors, (74), 8 states have return successors, (74), 73 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-17 04:21:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 933 transitions. [2024-11-17 04:21:54,748 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 933 transitions. Word has length 75 [2024-11-17 04:21:54,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:54,749 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 933 transitions. [2024-11-17 04:21:54,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 7 states have internal predecessors, (48), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 933 transitions. [2024-11-17 04:21:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-17 04:21:54,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:54,750 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:21:54,766 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 04:21:54,950 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,SelfDestructingSolverStorable21 [2024-11-17 04:21:54,951 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:54,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:54,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1034653981, now seen corresponding path program 1 times [2024-11-17 04:21:54,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:54,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36469182] [2024-11-17 04:21:54,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:54,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:55,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:21:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:55,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:21:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:55,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:21:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:55,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:21:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:55,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:21:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:55,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 04:21:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:55,095 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:21:55,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:55,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36469182] [2024-11-17 04:21:55,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36469182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:55,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:55,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:21:55,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312115092] [2024-11-17 04:21:55,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:55,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:21:55,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:55,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:21:55,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:21:55,098 INFO L87 Difference]: Start difference. First operand 693 states and 933 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:56,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:56,310 INFO L93 Difference]: Finished difference Result 997 states and 1367 transitions. [2024-11-17 04:21:56,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:21:56,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-11-17 04:21:56,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:56,318 INFO L225 Difference]: With dead ends: 997 [2024-11-17 04:21:56,319 INFO L226 Difference]: Without dead ends: 994 [2024-11-17 04:21:56,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:21:56,320 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 164 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:56,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 263 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:21:56,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2024-11-17 04:21:56,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 712. [2024-11-17 04:21:56,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 712 states, 596 states have (on average 1.3406040268456376) internal successors, (799), 626 states have internal predecessors, (799), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-17 04:21:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 955 transitions. [2024-11-17 04:21:56,368 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 955 transitions. Word has length 76 [2024-11-17 04:21:56,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:56,369 INFO L471 AbstractCegarLoop]: Abstraction has 712 states and 955 transitions. [2024-11-17 04:21:56,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:56,369 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 955 transitions. [2024-11-17 04:21:56,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-17 04:21:56,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:56,370 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:21:56,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-17 04:21:56,370 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:56,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:56,371 INFO L85 PathProgramCache]: Analyzing trace with hash 140306085, now seen corresponding path program 1 times [2024-11-17 04:21:56,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:56,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116376636] [2024-11-17 04:21:56,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:56,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:56,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1960102988] [2024-11-17 04:21:56,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:56,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:56,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:56,412 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) [2024-11-17 04:21:56,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:21:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:56,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:21:56,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:56,664 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:21:56,665 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:21:56,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:21:56,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116376636] [2024-11-17 04:21:56,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:21:56,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960102988] [2024-11-17 04:21:56,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960102988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:21:56,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:21:56,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 04:21:56,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772589948] [2024-11-17 04:21:56,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:21:56,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:21:56,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:21:56,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:21:56,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:21:56,668 INFO L87 Difference]: Start difference. First operand 712 states and 955 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:56,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:21:56,948 INFO L93 Difference]: Finished difference Result 735 states and 991 transitions. [2024-11-17 04:21:56,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:21:56,949 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-11-17 04:21:56,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:21:56,952 INFO L225 Difference]: With dead ends: 735 [2024-11-17 04:21:56,952 INFO L226 Difference]: Without dead ends: 731 [2024-11-17 04:21:56,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:21:56,953 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 131 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:21:56,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 282 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:21:56,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2024-11-17 04:21:56,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 708. [2024-11-17 04:21:56,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 596 states have (on average 1.3187919463087248) internal successors, (786), 622 states have internal predecessors, (786), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-17 04:21:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 942 transitions. [2024-11-17 04:21:56,997 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 942 transitions. Word has length 76 [2024-11-17 04:21:56,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:21:56,997 INFO L471 AbstractCegarLoop]: Abstraction has 708 states and 942 transitions. [2024-11-17 04:21:56,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:21:56,997 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 942 transitions. [2024-11-17 04:21:56,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-17 04:21:56,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:21:56,998 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:21:57,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-17 04:21:57,198 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,SelfDestructingSolverStorable23 [2024-11-17 04:21:57,199 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:21:57,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:21:57,199 INFO L85 PathProgramCache]: Analyzing trace with hash -2009502293, now seen corresponding path program 1 times [2024-11-17 04:21:57,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:21:57,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174613750] [2024-11-17 04:21:57,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:57,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:21:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:21:57,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [813870435] [2024-11-17 04:21:57,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:21:57,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:21:57,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:21:57,219 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) [2024-11-17 04:21:57,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:21:57,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:21:57,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:21:57,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:21:57,573 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:21:57,573 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:10,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:10,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174613750] [2024-11-17 04:22:10,195 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:10,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813870435] [2024-11-17 04:22:10,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813870435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:10,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:10,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:22:10,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184307014] [2024-11-17 04:22:10,196 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:10,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:22:10,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:10,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:22:10,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=80, Unknown=3, NotChecked=0, Total=110 [2024-11-17 04:22:10,197 INFO L87 Difference]: Start difference. First operand 708 states and 942 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:22:10,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:10,857 INFO L93 Difference]: Finished difference Result 739 states and 962 transitions. [2024-11-17 04:22:10,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:22:10,858 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-11-17 04:22:10,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:10,861 INFO L225 Difference]: With dead ends: 739 [2024-11-17 04:22:10,861 INFO L226 Difference]: Without dead ends: 732 [2024-11-17 04:22:10,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=52, Invalid=155, Unknown=3, NotChecked=0, Total=210 [2024-11-17 04:22:10,862 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 300 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:10,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 267 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:22:10,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2024-11-17 04:22:10,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 706. [2024-11-17 04:22:10,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 594 states have (on average 1.3131313131313131) internal successors, (780), 620 states have internal predecessors, (780), 78 states have call successors, (78), 8 states have call predecessors, (78), 8 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-17 04:22:10,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 936 transitions. [2024-11-17 04:22:10,941 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 936 transitions. Word has length 77 [2024-11-17 04:22:10,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:10,941 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 936 transitions. [2024-11-17 04:22:10,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:22:10,943 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 936 transitions. [2024-11-17 04:22:10,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-17 04:22:10,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:10,944 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-17 04:22:10,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:11,144 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,SelfDestructingSolverStorable24 [2024-11-17 04:22:11,145 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:11,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:11,145 INFO L85 PathProgramCache]: Analyzing trace with hash 54521367, now seen corresponding path program 1 times [2024-11-17 04:22:11,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:11,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4105610] [2024-11-17 04:22:11,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:11,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:11,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1780238361] [2024-11-17 04:22:11,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:11,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:11,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:11,165 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) [2024-11-17 04:22:11,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:22:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:11,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:22:11,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:11,399 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-17 04:22:11,399 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:11,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:11,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4105610] [2024-11-17 04:22:11,863 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:11,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780238361] [2024-11-17 04:22:11,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780238361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:11,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:11,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-17 04:22:11,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251207734] [2024-11-17 04:22:11,864 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:11,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:22:11,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:11,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:22:11,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:22:11,865 INFO L87 Difference]: Start difference. First operand 706 states and 936 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:22:12,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:12,174 INFO L93 Difference]: Finished difference Result 1118 states and 1542 transitions. [2024-11-17 04:22:12,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:22:12,175 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-11-17 04:22:12,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:12,180 INFO L225 Difference]: With dead ends: 1118 [2024-11-17 04:22:12,180 INFO L226 Difference]: Without dead ends: 1114 [2024-11-17 04:22:12,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:22:12,181 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 172 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:12,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 334 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:22:12,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-11-17 04:22:12,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 885. [2024-11-17 04:22:12,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 753 states have (on average 1.3173970783532536) internal successors, (992), 778 states have internal predecessors, (992), 98 states have call successors, (98), 8 states have call predecessors, (98), 8 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-17 04:22:12,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1188 transitions. [2024-11-17 04:22:12,263 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1188 transitions. Word has length 77 [2024-11-17 04:22:12,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:12,263 INFO L471 AbstractCegarLoop]: Abstraction has 885 states and 1188 transitions. [2024-11-17 04:22:12,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:22:12,264 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1188 transitions. [2024-11-17 04:22:12,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-17 04:22:12,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:12,265 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-17 04:22:12,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 04:22:12,465 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,SelfDestructingSolverStorable25 [2024-11-17 04:22:12,466 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:12,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:12,466 INFO L85 PathProgramCache]: Analyzing trace with hash -639779091, now seen corresponding path program 1 times [2024-11-17 04:22:12,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:12,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887445057] [2024-11-17 04:22:12,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:12,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:12,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:12,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:12,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:12,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:12,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:12,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:12,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:12,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:12,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:12,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:12,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:12,548 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:12,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:12,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887445057] [2024-11-17 04:22:12,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887445057] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:12,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251150087] [2024-11-17 04:22:12,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:12,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:12,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:12,551 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) [2024-11-17 04:22:12,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:22:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:12,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:22:12,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:12,665 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:12,666 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:12,813 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:12,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251150087] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:12,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:12,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-17 04:22:12,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881149880] [2024-11-17 04:22:12,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:12,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:22:12,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:12,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:22:12,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:22:12,815 INFO L87 Difference]: Start difference. First operand 885 states and 1188 transitions. Second operand has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-17 04:22:13,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:13,793 INFO L93 Difference]: Finished difference Result 1480 states and 2044 transitions. [2024-11-17 04:22:13,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:22:13,794 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 97 [2024-11-17 04:22:13,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:13,800 INFO L225 Difference]: With dead ends: 1480 [2024-11-17 04:22:13,800 INFO L226 Difference]: Without dead ends: 1478 [2024-11-17 04:22:13,802 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:22:13,803 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 406 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:13,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 387 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:22:13,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2024-11-17 04:22:13,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 1166. [2024-11-17 04:22:13,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1166 states, 993 states have (on average 1.3212487411883183) internal successors, (1312), 1017 states have internal predecessors, (1312), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-17 04:22:13,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 1592 transitions. [2024-11-17 04:22:13,877 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 1592 transitions. Word has length 97 [2024-11-17 04:22:13,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:13,877 INFO L471 AbstractCegarLoop]: Abstraction has 1166 states and 1592 transitions. [2024-11-17 04:22:13,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.142857142857142) internal successors, (92), 8 states have internal predecessors, (92), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-11-17 04:22:13,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1592 transitions. [2024-11-17 04:22:13,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 04:22:13,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:13,879 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-17 04:22:13,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 04:22:14,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:14,080 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:14,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:14,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1641684672, now seen corresponding path program 1 times [2024-11-17 04:22:14,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:14,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884540753] [2024-11-17 04:22:14,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:14,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:14,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:14,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:14,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:14,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:14,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:14,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:14,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:14,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:14,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:14,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:14,173 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:14,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:14,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884540753] [2024-11-17 04:22:14,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884540753] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:14,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585476371] [2024-11-17 04:22:14,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:14,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:14,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:14,176 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) [2024-11-17 04:22:14,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:22:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:14,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:22:14,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:14,303 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:14,304 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:14,477 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:14,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585476371] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:14,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:14,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-11-17 04:22:14,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790197567] [2024-11-17 04:22:14,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:14,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:22:14,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:14,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:22:14,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:22:14,480 INFO L87 Difference]: Start difference. First operand 1166 states and 1592 transitions. Second operand has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-17 04:22:15,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:15,702 INFO L93 Difference]: Finished difference Result 1516 states and 2057 transitions. [2024-11-17 04:22:15,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 04:22:15,703 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 98 [2024-11-17 04:22:15,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:15,709 INFO L225 Difference]: With dead ends: 1516 [2024-11-17 04:22:15,709 INFO L226 Difference]: Without dead ends: 1514 [2024-11-17 04:22:15,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:22:15,711 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 938 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:15,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 528 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:22:15,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2024-11-17 04:22:15,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1170. [2024-11-17 04:22:15,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 998 states have (on average 1.2885771543086173) internal successors, (1286), 1021 states have internal predecessors, (1286), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-17 04:22:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1566 transitions. [2024-11-17 04:22:15,802 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1566 transitions. Word has length 98 [2024-11-17 04:22:15,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:15,802 INFO L471 AbstractCegarLoop]: Abstraction has 1170 states and 1566 transitions. [2024-11-17 04:22:15,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-17 04:22:15,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1566 transitions. [2024-11-17 04:22:15,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-17 04:22:15,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:15,804 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-17 04:22:15,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:16,007 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,SelfDestructingSolverStorable27 [2024-11-17 04:22:16,008 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:16,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:16,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1405972491, now seen corresponding path program 1 times [2024-11-17 04:22:16,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:16,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924468651] [2024-11-17 04:22:16,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:16,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,078 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:16,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:16,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924468651] [2024-11-17 04:22:16,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924468651] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:16,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:16,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:22:16,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858225668] [2024-11-17 04:22:16,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:16,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:22:16,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:16,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:22:16,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:22:16,081 INFO L87 Difference]: Start difference. First operand 1170 states and 1566 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:22:16,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:16,180 INFO L93 Difference]: Finished difference Result 1170 states and 1566 transitions. [2024-11-17 04:22:16,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:22:16,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 100 [2024-11-17 04:22:16,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:16,185 INFO L225 Difference]: With dead ends: 1170 [2024-11-17 04:22:16,185 INFO L226 Difference]: Without dead ends: 1169 [2024-11-17 04:22:16,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:22:16,189 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 23 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:16,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 161 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:22:16,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2024-11-17 04:22:16,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1169. [2024-11-17 04:22:16,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 998 states have (on average 1.279559118236473) internal successors, (1277), 1020 states have internal predecessors, (1277), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-17 04:22:16,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1557 transitions. [2024-11-17 04:22:16,264 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1557 transitions. Word has length 100 [2024-11-17 04:22:16,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:16,264 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1557 transitions. [2024-11-17 04:22:16,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:22:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1557 transitions. [2024-11-17 04:22:16,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-17 04:22:16,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:16,278 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-17 04:22:16,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-17 04:22:16,278 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:16,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:16,279 INFO L85 PathProgramCache]: Analyzing trace with hash 805396839, now seen corresponding path program 1 times [2024-11-17 04:22:16,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:16,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793917584] [2024-11-17 04:22:16,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:16,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,394 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:16,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:16,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793917584] [2024-11-17 04:22:16,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793917584] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:16,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65283196] [2024-11-17 04:22:16,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:16,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:16,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:16,400 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) [2024-11-17 04:22:16,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:22:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:16,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:22:16,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:16,626 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:16,626 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:22:16,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65283196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:16,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:16,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-17 04:22:16,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265497503] [2024-11-17 04:22:16,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:16,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:22:16,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:16,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:22:16,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:22:16,628 INFO L87 Difference]: Start difference. First operand 1169 states and 1557 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:22:16,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:16,912 INFO L93 Difference]: Finished difference Result 1187 states and 1588 transitions. [2024-11-17 04:22:16,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:22:16,913 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), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 103 [2024-11-17 04:22:16,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:16,917 INFO L225 Difference]: With dead ends: 1187 [2024-11-17 04:22:16,917 INFO L226 Difference]: Without dead ends: 1186 [2024-11-17 04:22:16,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:22:16,918 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 74 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:16,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 167 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:22:16,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2024-11-17 04:22:16,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1168. [2024-11-17 04:22:16,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 998 states have (on average 1.2725450901803608) internal successors, (1270), 1019 states have internal predecessors, (1270), 140 states have call successors, (140), 8 states have call predecessors, (140), 8 states have return successors, (140), 140 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-17 04:22:17,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1550 transitions. [2024-11-17 04:22:17,001 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1550 transitions. Word has length 103 [2024-11-17 04:22:17,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:17,001 INFO L471 AbstractCegarLoop]: Abstraction has 1168 states and 1550 transitions. [2024-11-17 04:22:17,002 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), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-17 04:22:17,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1550 transitions. [2024-11-17 04:22:17,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-17 04:22:17,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:17,003 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2024-11-17 04:22:17,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:17,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:17,204 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:17,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:17,204 INFO L85 PathProgramCache]: Analyzing trace with hash -802501784, now seen corresponding path program 1 times [2024-11-17 04:22:17,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:17,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782498804] [2024-11-17 04:22:17,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:17,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:17,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:17,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,296 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:17,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:17,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782498804] [2024-11-17 04:22:17,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782498804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:17,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116243962] [2024-11-17 04:22:17,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:17,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:17,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:17,300 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) [2024-11-17 04:22:17,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:22:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:17,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:22:17,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:17,518 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:17,661 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-17 04:22:17,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116243962] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:17,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:17,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-17 04:22:17,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319212872] [2024-11-17 04:22:17,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:17,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:22:17,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:17,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:22:17,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:22:17,664 INFO L87 Difference]: Start difference. First operand 1168 states and 1550 transitions. Second operand has 11 states, 10 states have (on average 17.4) internal successors, (174), 11 states have internal predecessors, (174), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-17 04:22:18,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:18,203 INFO L93 Difference]: Finished difference Result 1621 states and 2168 transitions. [2024-11-17 04:22:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:22:18,204 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.4) internal successors, (174), 11 states have internal predecessors, (174), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 104 [2024-11-17 04:22:18,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:18,211 INFO L225 Difference]: With dead ends: 1621 [2024-11-17 04:22:18,211 INFO L226 Difference]: Without dead ends: 1619 [2024-11-17 04:22:18,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:22:18,213 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 335 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:18,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 425 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:22:18,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2024-11-17 04:22:18,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1340. [2024-11-17 04:22:18,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 1152 states have (on average 1.2708333333333333) internal successors, (1464), 1173 states have internal predecessors, (1464), 158 states have call successors, (158), 8 states have call predecessors, (158), 8 states have return successors, (158), 158 states have call predecessors, (158), 158 states have call successors, (158) [2024-11-17 04:22:18,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1780 transitions. [2024-11-17 04:22:18,303 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1780 transitions. Word has length 104 [2024-11-17 04:22:18,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:18,305 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 1780 transitions. [2024-11-17 04:22:18,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.4) internal successors, (174), 11 states have internal predecessors, (174), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-17 04:22:18,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1780 transitions. [2024-11-17 04:22:18,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-17 04:22:18,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:18,306 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:18,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-17 04:22:18,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:18,507 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:18,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:18,508 INFO L85 PathProgramCache]: Analyzing trace with hash 746877923, now seen corresponding path program 1 times [2024-11-17 04:22:18,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:18,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785335912] [2024-11-17 04:22:18,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:18,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:18,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:18,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:18,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:18,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:18,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:18,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 04:22:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:18,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:18,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:22:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:18,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-17 04:22:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:18,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 04:22:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:18,635 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:18,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:18,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785335912] [2024-11-17 04:22:18,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785335912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:18,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413345608] [2024-11-17 04:22:18,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:18,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:18,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:18,638 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) [2024-11-17 04:22:18,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:22:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:18,699 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:22:18,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:18,840 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:19,052 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 17 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:19,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413345608] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:19,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:19,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-17 04:22:19,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463196044] [2024-11-17 04:22:19,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:19,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:19,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:19,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:19,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:22:19,055 INFO L87 Difference]: Start difference. First operand 1340 states and 1780 transitions. Second operand has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-17 04:22:19,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:19,459 INFO L93 Difference]: Finished difference Result 1394 states and 1837 transitions. [2024-11-17 04:22:19,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:22:19,460 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 114 [2024-11-17 04:22:19,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:19,464 INFO L225 Difference]: With dead ends: 1394 [2024-11-17 04:22:19,464 INFO L226 Difference]: Without dead ends: 1393 [2024-11-17 04:22:19,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 242 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=265, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:22:19,465 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 584 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:19,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 339 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:22:19,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2024-11-17 04:22:19,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1261. [2024-11-17 04:22:19,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1084 states have (on average 1.2675276752767528) internal successors, (1374), 1104 states have internal predecessors, (1374), 148 states have call successors, (148), 8 states have call predecessors, (148), 8 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-17 04:22:19,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1670 transitions. [2024-11-17 04:22:19,548 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1670 transitions. Word has length 114 [2024-11-17 04:22:19,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:19,548 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1670 transitions. [2024-11-17 04:22:19,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.11111111111111) internal successors, (118), 10 states have internal predecessors, (118), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-17 04:22:19,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1670 transitions. [2024-11-17 04:22:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-17 04:22:19,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:19,550 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:19,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-17 04:22:19,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:19,751 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:19,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:19,751 INFO L85 PathProgramCache]: Analyzing trace with hash 2012824797, now seen corresponding path program 1 times [2024-11-17 04:22:19,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:19,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743797075] [2024-11-17 04:22:19,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:19,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:19,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:19,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:19,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:19,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:19,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:19,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:19,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:19,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:19,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:19,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:22:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:19,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:19,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743797075] [2024-11-17 04:22:19,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743797075] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:19,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609544519] [2024-11-17 04:22:19,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:19,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:19,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:19,899 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) [2024-11-17 04:22:19,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:22:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:19,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:22:19,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:20,167 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-17 04:22:20,167 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:20,360 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:20,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609544519] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:20,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:20,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2024-11-17 04:22:20,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463168841] [2024-11-17 04:22:20,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:20,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 04:22:20,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:20,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 04:22:20,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:22:20,364 INFO L87 Difference]: Start difference. First operand 1261 states and 1670 transitions. Second operand has 24 states, 23 states have (on average 8.956521739130435) internal successors, (206), 24 states have internal predecessors, (206), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-17 04:22:20,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:20,954 INFO L93 Difference]: Finished difference Result 2113 states and 2706 transitions. [2024-11-17 04:22:20,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-17 04:22:20,954 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.956521739130435) internal successors, (206), 24 states have internal predecessors, (206), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) Word has length 117 [2024-11-17 04:22:20,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:20,962 INFO L225 Difference]: With dead ends: 2113 [2024-11-17 04:22:20,962 INFO L226 Difference]: Without dead ends: 1820 [2024-11-17 04:22:20,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=630, Invalid=1920, Unknown=0, NotChecked=0, Total=2550 [2024-11-17 04:22:20,964 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 572 mSDsluCounter, 725 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:20,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 801 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:22:20,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2024-11-17 04:22:21,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 1563. [2024-11-17 04:22:21,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1563 states, 1347 states have (on average 1.250927988121752) internal successors, (1685), 1367 states have internal predecessors, (1685), 181 states have call successors, (181), 14 states have call predecessors, (181), 14 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-17 04:22:21,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2047 transitions. [2024-11-17 04:22:21,065 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2047 transitions. Word has length 117 [2024-11-17 04:22:21,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:21,065 INFO L471 AbstractCegarLoop]: Abstraction has 1563 states and 2047 transitions. [2024-11-17 04:22:21,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.956521739130435) internal successors, (206), 24 states have internal predecessors, (206), 9 states have call successors, (30), 4 states have call predecessors, (30), 4 states have return successors, (30), 9 states have call predecessors, (30), 9 states have call successors, (30) [2024-11-17 04:22:21,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2047 transitions. [2024-11-17 04:22:21,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-17 04:22:21,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:21,067 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:21,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-17 04:22:21,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:21,267 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:21,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:21,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1788592194, now seen corresponding path program 1 times [2024-11-17 04:22:21,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:21,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983438594] [2024-11-17 04:22:21,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:21,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:21,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2023180136] [2024-11-17 04:22:21,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:21,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:21,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:21,287 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) [2024-11-17 04:22:21,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:22:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:21,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:22:21,349 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:21,872 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:21,872 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:22,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:22,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983438594] [2024-11-17 04:22:22,039 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:22,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023180136] [2024-11-17 04:22:22,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023180136] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:22,039 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:22,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:22:22,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951554741] [2024-11-17 04:22:22,039 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:22,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:22,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:22,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:22,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:22,041 INFO L87 Difference]: Start difference. First operand 1563 states and 2047 transitions. Second operand has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:22,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:22,950 INFO L93 Difference]: Finished difference Result 2982 states and 3996 transitions. [2024-11-17 04:22:22,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:22:22,950 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 118 [2024-11-17 04:22:22,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:22,959 INFO L225 Difference]: With dead ends: 2982 [2024-11-17 04:22:22,959 INFO L226 Difference]: Without dead ends: 2979 [2024-11-17 04:22:22,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:22:22,960 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 318 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:22,960 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 407 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:22:22,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2024-11-17 04:22:23,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 1625. [2024-11-17 04:22:23,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1625 states, 1400 states have (on average 1.2507142857142857) internal successors, (1751), 1420 states have internal predecessors, (1751), 190 states have call successors, (190), 14 states have call predecessors, (190), 14 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-17 04:22:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1625 states and 2131 transitions. [2024-11-17 04:22:23,063 INFO L78 Accepts]: Start accepts. Automaton has 1625 states and 2131 transitions. Word has length 118 [2024-11-17 04:22:23,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:23,063 INFO L471 AbstractCegarLoop]: Abstraction has 1625 states and 2131 transitions. [2024-11-17 04:22:23,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.888888888888889) internal successors, (71), 10 states have internal predecessors, (71), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:23,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 2131 transitions. [2024-11-17 04:22:23,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-17 04:22:23,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:23,064 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:23,080 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:23,265 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,SelfDestructingSolverStorable33 [2024-11-17 04:22:23,265 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:23,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:23,266 INFO L85 PathProgramCache]: Analyzing trace with hash -388216784, now seen corresponding path program 1 times [2024-11-17 04:22:23,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:23,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227141933] [2024-11-17 04:22:23,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:23,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:23,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1052817971] [2024-11-17 04:22:23,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:23,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:23,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:23,284 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) [2024-11-17 04:22:23,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:22:23,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:23,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:22:23,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:23,794 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:24,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:24,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227141933] [2024-11-17 04:22:24,361 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:24,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052817971] [2024-11-17 04:22:24,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052817971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:24,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:24,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:22:24,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193582535] [2024-11-17 04:22:24,361 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:24,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:24,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:24,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:24,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:24,362 INFO L87 Difference]: Start difference. First operand 1625 states and 2131 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:25,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:25,011 INFO L93 Difference]: Finished difference Result 1797 states and 2344 transitions. [2024-11-17 04:22:25,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 04:22:25,012 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 119 [2024-11-17 04:22:25,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:25,021 INFO L225 Difference]: With dead ends: 1797 [2024-11-17 04:22:25,021 INFO L226 Difference]: Without dead ends: 1794 [2024-11-17 04:22:25,022 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:22:25,022 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 98 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:25,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 523 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:22:25,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2024-11-17 04:22:25,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1753. [2024-11-17 04:22:25,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 1511 states have (on average 1.2495036399735275) internal successors, (1888), 1531 states have internal predecessors, (1888), 207 states have call successors, (207), 14 states have call predecessors, (207), 14 states have return successors, (207), 207 states have call predecessors, (207), 207 states have call successors, (207) [2024-11-17 04:22:25,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2302 transitions. [2024-11-17 04:22:25,151 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2302 transitions. Word has length 119 [2024-11-17 04:22:25,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:25,151 INFO L471 AbstractCegarLoop]: Abstraction has 1753 states and 2302 transitions. [2024-11-17 04:22:25,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 10 states have internal predecessors, (72), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2302 transitions. [2024-11-17 04:22:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-17 04:22:25,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:25,153 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:25,169 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:25,353 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,SelfDestructingSolverStorable34 [2024-11-17 04:22:25,353 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:25,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:25,354 INFO L85 PathProgramCache]: Analyzing trace with hash 850181632, now seen corresponding path program 1 times [2024-11-17 04:22:25,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:25,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858636214] [2024-11-17 04:22:25,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:25,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:25,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:25,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:25,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:25,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:25,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:25,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:25,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:25,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:25,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:25,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-17 04:22:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:25,494 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:25,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:25,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858636214] [2024-11-17 04:22:25,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858636214] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:25,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:25,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:22:25,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716889653] [2024-11-17 04:22:25,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:25,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:22:25,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:25,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:22:25,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:22:25,496 INFO L87 Difference]: Start difference. First operand 1753 states and 2302 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-17 04:22:26,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:26,368 INFO L93 Difference]: Finished difference Result 1760 states and 2305 transitions. [2024-11-17 04:22:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:22:26,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 120 [2024-11-17 04:22:26,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:26,375 INFO L225 Difference]: With dead ends: 1760 [2024-11-17 04:22:26,376 INFO L226 Difference]: Without dead ends: 1758 [2024-11-17 04:22:26,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:22:26,377 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 116 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:26,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 246 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:22:26,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2024-11-17 04:22:26,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 1715. [2024-11-17 04:22:26,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1715 states, 1479 states have (on average 1.2420554428668018) internal successors, (1837), 1497 states have internal predecessors, (1837), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-17 04:22:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1715 states and 2243 transitions. [2024-11-17 04:22:26,483 INFO L78 Accepts]: Start accepts. Automaton has 1715 states and 2243 transitions. Word has length 120 [2024-11-17 04:22:26,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:26,484 INFO L471 AbstractCegarLoop]: Abstraction has 1715 states and 2243 transitions. [2024-11-17 04:22:26,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-17 04:22:26,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2243 transitions. [2024-11-17 04:22:26,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-17 04:22:26,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:26,486 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:26,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-17 04:22:26,486 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:26,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:26,486 INFO L85 PathProgramCache]: Analyzing trace with hash 585826862, now seen corresponding path program 1 times [2024-11-17 04:22:26,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:26,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222748898] [2024-11-17 04:22:26,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:26,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:26,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [926625128] [2024-11-17 04:22:26,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:26,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:26,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:26,503 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) [2024-11-17 04:22:26,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-17 04:22:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:26,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:22:26,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-17 04:22:27,022 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:31,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:31,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222748898] [2024-11-17 04:22:31,487 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:31,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926625128] [2024-11-17 04:22:31,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926625128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:31,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:31,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:22:31,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398448608] [2024-11-17 04:22:31,488 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:31,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:22:31,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:31,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:22:31,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=163, Unknown=1, NotChecked=0, Total=210 [2024-11-17 04:22:31,489 INFO L87 Difference]: Start difference. First operand 1715 states and 2243 transitions. Second operand has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-17 04:22:32,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:32,189 INFO L93 Difference]: Finished difference Result 1741 states and 2259 transitions. [2024-11-17 04:22:32,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:22:32,189 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 121 [2024-11-17 04:22:32,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:32,197 INFO L225 Difference]: With dead ends: 1741 [2024-11-17 04:22:32,198 INFO L226 Difference]: Without dead ends: 1734 [2024-11-17 04:22:32,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=91, Invalid=328, Unknown=1, NotChecked=0, Total=420 [2024-11-17 04:22:32,199 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 229 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:32,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 463 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:22:32,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2024-11-17 04:22:32,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1564. [2024-11-17 04:22:32,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1348 states have (on average 1.239614243323442) internal successors, (1671), 1367 states have internal predecessors, (1671), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-17 04:22:32,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2037 transitions. [2024-11-17 04:22:32,312 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2037 transitions. Word has length 121 [2024-11-17 04:22:32,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:32,313 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2037 transitions. [2024-11-17 04:22:32,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.25) internal successors, (74), 9 states have internal predecessors, (74), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-17 04:22:32,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2037 transitions. [2024-11-17 04:22:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-17 04:22:32,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:32,314 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:32,331 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-17 04:22:32,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-17 04:22:32,519 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:32,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:32,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1645116774, now seen corresponding path program 2 times [2024-11-17 04:22:32,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:32,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049077586] [2024-11-17 04:22:32,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:32,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:32,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1003418788] [2024-11-17 04:22:32,533 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:32,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:32,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:32,535 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) [2024-11-17 04:22:32,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-17 04:22:32,594 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:32,594 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:32,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:22:32,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:32,936 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-17 04:22:32,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:33,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:33,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049077586] [2024-11-17 04:22:33,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:33,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003418788] [2024-11-17 04:22:33,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003418788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:33,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:33,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-17 04:22:33,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720900438] [2024-11-17 04:22:33,329 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:33,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:22:33,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:33,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:22:33,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:33,330 INFO L87 Difference]: Start difference. First operand 1564 states and 2037 transitions. Second operand has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:33,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:33,809 INFO L93 Difference]: Finished difference Result 1904 states and 2525 transitions. [2024-11-17 04:22:33,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:22:33,809 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 121 [2024-11-17 04:22:33,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:33,815 INFO L225 Difference]: With dead ends: 1904 [2024-11-17 04:22:33,815 INFO L226 Difference]: Without dead ends: 1900 [2024-11-17 04:22:33,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:22:33,816 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 293 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:33,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 506 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:22:33,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2024-11-17 04:22:33,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1564. [2024-11-17 04:22:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1348 states have (on average 1.2262611275964392) internal successors, (1653), 1367 states have internal predecessors, (1653), 183 states have call successors, (183), 14 states have call predecessors, (183), 14 states have return successors, (183), 182 states have call predecessors, (183), 183 states have call successors, (183) [2024-11-17 04:22:33,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 2019 transitions. [2024-11-17 04:22:33,987 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 2019 transitions. Word has length 121 [2024-11-17 04:22:33,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:33,988 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 2019 transitions. [2024-11-17 04:22:33,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 11 states have internal predecessors, (77), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-17 04:22:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2019 transitions. [2024-11-17 04:22:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-17 04:22:33,990 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:33,990 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1] [2024-11-17 04:22:34,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-17 04:22:34,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:34,190 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:34,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:34,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1313429609, now seen corresponding path program 2 times [2024-11-17 04:22:34,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:34,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845168686] [2024-11-17 04:22:34,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:34,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:34,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:34,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:34,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:34,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:34,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:34,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-17 04:22:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:34,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:34,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:22:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:34,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-17 04:22:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:34,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-17 04:22:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:34,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-17 04:22:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:34,281 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:22:34,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:34,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845168686] [2024-11-17 04:22:34,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845168686] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:22:34,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:22:34,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:22:34,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553896475] [2024-11-17 04:22:34,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:22:34,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:22:34,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:34,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:22:34,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:22:34,284 INFO L87 Difference]: Start difference. First operand 1564 states and 2019 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-17 04:22:35,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:35,011 INFO L93 Difference]: Finished difference Result 2728 states and 3571 transitions. [2024-11-17 04:22:35,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:22:35,012 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 132 [2024-11-17 04:22:35,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:35,015 INFO L225 Difference]: With dead ends: 2728 [2024-11-17 04:22:35,016 INFO L226 Difference]: Without dead ends: 1604 [2024-11-17 04:22:35,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:22:35,018 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 60 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:35,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 198 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:22:35,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2024-11-17 04:22:35,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1529. [2024-11-17 04:22:35,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 1317 states have (on average 1.2369020501138952) internal successors, (1629), 1335 states have internal predecessors, (1629), 181 states have call successors, (181), 12 states have call predecessors, (181), 12 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-17 04:22:35,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 1991 transitions. [2024-11-17 04:22:35,146 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 1991 transitions. Word has length 132 [2024-11-17 04:22:35,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:35,146 INFO L471 AbstractCegarLoop]: Abstraction has 1529 states and 1991 transitions. [2024-11-17 04:22:35,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-17 04:22:35,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1991 transitions. [2024-11-17 04:22:35,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-17 04:22:35,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:35,147 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:35,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-17 04:22:35,148 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:35,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:35,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1052674772, now seen corresponding path program 1 times [2024-11-17 04:22:35,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:35,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747844560] [2024-11-17 04:22:35,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:35,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:35,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:35,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:35,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:35,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:35,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:35,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:35,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:35,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:35,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:35,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-17 04:22:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:35,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:22:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:35,322 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:22:35,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:35,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747844560] [2024-11-17 04:22:35,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747844560] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:35,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638936165] [2024-11-17 04:22:35,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:35,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:35,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:35,325 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) [2024-11-17 04:22:35,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-17 04:22:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:35,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:22:35,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:35,513 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 217 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:22:35,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:35,661 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 41 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-17 04:22:35,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638936165] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:35,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:35,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 12 [2024-11-17 04:22:35,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250463052] [2024-11-17 04:22:35,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:35,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:22:35,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:35,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:22:35,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:22:35,663 INFO L87 Difference]: Start difference. First operand 1529 states and 1991 transitions. Second operand has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-17 04:22:35,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:35,873 INFO L93 Difference]: Finished difference Result 1814 states and 2338 transitions. [2024-11-17 04:22:35,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 04:22:35,874 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 134 [2024-11-17 04:22:35,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:35,877 INFO L225 Difference]: With dead ends: 1814 [2024-11-17 04:22:35,877 INFO L226 Difference]: Without dead ends: 1528 [2024-11-17 04:22:35,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 279 SyntacticMatches, 10 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:22:35,878 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 62 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:35,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 554 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:22:35,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2024-11-17 04:22:35,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1528. [2024-11-17 04:22:35,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1528 states, 1315 states have (on average 1.2357414448669202) internal successors, (1625), 1333 states have internal predecessors, (1625), 181 states have call successors, (181), 13 states have call predecessors, (181), 13 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2024-11-17 04:22:35,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 1528 states and 1987 transitions. [2024-11-17 04:22:35,983 INFO L78 Accepts]: Start accepts. Automaton has 1528 states and 1987 transitions. Word has length 134 [2024-11-17 04:22:35,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:35,984 INFO L471 AbstractCegarLoop]: Abstraction has 1528 states and 1987 transitions. [2024-11-17 04:22:35,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.833333333333333) internal successors, (94), 12 states have internal predecessors, (94), 4 states have call successors, (22), 5 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-17 04:22:35,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 1987 transitions. [2024-11-17 04:22:35,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-17 04:22:35,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:35,985 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, 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] [2024-11-17 04:22:36,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-17 04:22:36,189 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,SelfDestructingSolverStorable39 [2024-11-17 04:22:36,189 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:36,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:36,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1035189353, now seen corresponding path program 1 times [2024-11-17 04:22:36,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:36,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162457483] [2024-11-17 04:22:36,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:36,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:22:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:22:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-17 04:22:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-17 04:22:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,385 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-17 04:22:36,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:36,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162457483] [2024-11-17 04:22:36,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162457483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:36,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468225440] [2024-11-17 04:22:36,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:36,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:36,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:36,388 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) [2024-11-17 04:22:36,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-17 04:22:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:36,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:22:36,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:36,694 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 3 proven. 310 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:22:36,694 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 3 proven. 62 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-17 04:22:36,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468225440] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:36,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:36,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 29 [2024-11-17 04:22:36,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193896824] [2024-11-17 04:22:36,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:36,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-17 04:22:36,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:36,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-17 04:22:36,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=682, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:22:36,928 INFO L87 Difference]: Start difference. First operand 1528 states and 1987 transitions. Second operand has 30 states, 29 states have (on average 9.275862068965518) internal successors, (269), 30 states have internal predecessors, (269), 12 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-17 04:22:37,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:37,769 INFO L93 Difference]: Finished difference Result 2040 states and 2573 transitions. [2024-11-17 04:22:37,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-17 04:22:37,770 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 9.275862068965518) internal successors, (269), 30 states have internal predecessors, (269), 12 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 152 [2024-11-17 04:22:37,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:37,774 INFO L225 Difference]: With dead ends: 2040 [2024-11-17 04:22:37,774 INFO L226 Difference]: Without dead ends: 2032 [2024-11-17 04:22:37,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 740 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=873, Invalid=2909, Unknown=0, NotChecked=0, Total=3782 [2024-11-17 04:22:37,777 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 620 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 1236 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:37,779 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 1236 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:22:37,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2032 states. [2024-11-17 04:22:37,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2032 to 1669. [2024-11-17 04:22:37,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1431 states have (on average 1.2452830188679245) internal successors, (1782), 1455 states have internal predecessors, (1782), 205 states have call successors, (205), 14 states have call predecessors, (205), 14 states have return successors, (205), 199 states have call predecessors, (205), 205 states have call successors, (205) [2024-11-17 04:22:37,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2192 transitions. [2024-11-17 04:22:37,877 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2192 transitions. Word has length 152 [2024-11-17 04:22:37,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:37,877 INFO L471 AbstractCegarLoop]: Abstraction has 1669 states and 2192 transitions. [2024-11-17 04:22:37,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 9.275862068965518) internal successors, (269), 30 states have internal predecessors, (269), 12 states have call successors, (39), 5 states have call predecessors, (39), 5 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-17 04:22:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2192 transitions. [2024-11-17 04:22:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-17 04:22:37,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:37,879 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:37,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:38,079 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,SelfDestructingSolverStorable40 [2024-11-17 04:22:38,079 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:38,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:38,080 INFO L85 PathProgramCache]: Analyzing trace with hash 378198815, now seen corresponding path program 2 times [2024-11-17 04:22:38,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:38,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11613563] [2024-11-17 04:22:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:38,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:38,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1559977492] [2024-11-17 04:22:38,112 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:38,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:38,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:38,114 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) [2024-11-17 04:22:38,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-17 04:22:38,189 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:38,190 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:38,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:22:38,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:38,812 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 9 proven. 62 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:22:38,813 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:38,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:38,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11613563] [2024-11-17 04:22:38,947 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:38,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559977492] [2024-11-17 04:22:38,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559977492] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:38,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:38,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:22:38,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873404968] [2024-11-17 04:22:38,947 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:38,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:22:38,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:38,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:22:38,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:22:38,948 INFO L87 Difference]: Start difference. First operand 1669 states and 2192 transitions. Second operand has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 12 states have internal predecessors, (95), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 04:22:40,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:40,513 INFO L93 Difference]: Finished difference Result 3316 states and 4448 transitions. [2024-11-17 04:22:40,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-17 04:22:40,513 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 12 states have internal predecessors, (95), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 162 [2024-11-17 04:22:40,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:40,519 INFO L225 Difference]: With dead ends: 3316 [2024-11-17 04:22:40,519 INFO L226 Difference]: Without dead ends: 3313 [2024-11-17 04:22:40,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:22:40,521 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 417 mSDsluCounter, 629 mSDsCounter, 0 mSdLazyCounter, 2164 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:40,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 809 Invalid, 2220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2164 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-17 04:22:40,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3313 states. [2024-11-17 04:22:40,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3313 to 1654. [2024-11-17 04:22:40,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1416 states have (on average 1.2450564971751412) internal successors, (1763), 1440 states have internal predecessors, (1763), 205 states have call successors, (205), 14 states have call predecessors, (205), 14 states have return successors, (205), 199 states have call predecessors, (205), 205 states have call successors, (205) [2024-11-17 04:22:40,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2173 transitions. [2024-11-17 04:22:40,655 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2173 transitions. Word has length 162 [2024-11-17 04:22:40,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:40,655 INFO L471 AbstractCegarLoop]: Abstraction has 1654 states and 2173 transitions. [2024-11-17 04:22:40,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.636363636363637) internal successors, (95), 12 states have internal predecessors, (95), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 04:22:40,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2173 transitions. [2024-11-17 04:22:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-17 04:22:40,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:40,657 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:40,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-17 04:22:40,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-17 04:22:40,862 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:40,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:40,862 INFO L85 PathProgramCache]: Analyzing trace with hash -1160738573, now seen corresponding path program 2 times [2024-11-17 04:22:40,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:40,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510998221] [2024-11-17 04:22:40,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:40,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:40,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [228604340] [2024-11-17 04:22:40,893 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:40,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:40,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:40,896 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) [2024-11-17 04:22:40,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-17 04:22:40,965 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:40,965 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:40,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:22:40,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:41,631 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:22:41,631 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:42,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:42,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510998221] [2024-11-17 04:22:42,257 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:42,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228604340] [2024-11-17 04:22:42,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228604340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:42,257 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:42,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:22:42,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629536256] [2024-11-17 04:22:42,258 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:42,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:22:42,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:42,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:22:42,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:22:42,259 INFO L87 Difference]: Start difference. First operand 1654 states and 2173 transitions. Second operand has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 12 states have internal predecessors, (96), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 04:22:42,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:42,847 INFO L93 Difference]: Finished difference Result 1873 states and 2448 transitions. [2024-11-17 04:22:42,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:22:42,847 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 12 states have internal predecessors, (96), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 163 [2024-11-17 04:22:42,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:42,851 INFO L225 Difference]: With dead ends: 1873 [2024-11-17 04:22:42,851 INFO L226 Difference]: Without dead ends: 1870 [2024-11-17 04:22:42,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:22:42,852 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 111 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:42,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 433 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:22:42,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1870 states. [2024-11-17 04:22:43,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1870 to 1801. [2024-11-17 04:22:43,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1801 states, 1542 states have (on average 1.2444876783398184) internal successors, (1919), 1567 states have internal predecessors, (1919), 226 states have call successors, (226), 14 states have call predecessors, (226), 14 states have return successors, (226), 219 states have call predecessors, (226), 226 states have call successors, (226) [2024-11-17 04:22:43,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1801 states and 2371 transitions. [2024-11-17 04:22:43,010 INFO L78 Accepts]: Start accepts. Automaton has 1801 states and 2371 transitions. Word has length 163 [2024-11-17 04:22:43,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:43,011 INFO L471 AbstractCegarLoop]: Abstraction has 1801 states and 2371 transitions. [2024-11-17 04:22:43,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.727272727272727) internal successors, (96), 12 states have internal predecessors, (96), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-17 04:22:43,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2371 transitions. [2024-11-17 04:22:43,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-17 04:22:43,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:43,012 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:43,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:43,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:43,216 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:43,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:43,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1221729841, now seen corresponding path program 2 times [2024-11-17 04:22:43,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:43,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321275289] [2024-11-17 04:22:43,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:43,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:43,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742265925] [2024-11-17 04:22:43,234 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:43,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:43,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:43,235 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) [2024-11-17 04:22:43,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-17 04:22:43,308 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:43,309 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:43,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-17 04:22:43,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:43,764 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:22:43,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:45,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:45,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321275289] [2024-11-17 04:22:45,812 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:45,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742265925] [2024-11-17 04:22:45,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742265925] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:45,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:45,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:22:45,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182076878] [2024-11-17 04:22:45,812 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:45,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:22:45,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:45,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:22:45,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:22:45,813 INFO L87 Difference]: Start difference. First operand 1801 states and 2371 transitions. Second operand has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-17 04:22:46,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:46,519 INFO L93 Difference]: Finished difference Result 1847 states and 2408 transitions. [2024-11-17 04:22:46,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:22:46,520 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 165 [2024-11-17 04:22:46,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:46,524 INFO L225 Difference]: With dead ends: 1847 [2024-11-17 04:22:46,524 INFO L226 Difference]: Without dead ends: 1840 [2024-11-17 04:22:46,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-11-17 04:22:46,526 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 102 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:46,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 637 Invalid, 1153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:22:46,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1840 states. [2024-11-17 04:22:46,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1840 to 1614. [2024-11-17 04:22:46,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1383 states have (on average 1.2436731742588576) internal successors, (1720), 1407 states have internal predecessors, (1720), 198 states have call successors, (198), 14 states have call predecessors, (198), 14 states have return successors, (198), 192 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-17 04:22:46,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2116 transitions. [2024-11-17 04:22:46,666 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2116 transitions. Word has length 165 [2024-11-17 04:22:46,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:46,666 INFO L471 AbstractCegarLoop]: Abstraction has 1614 states and 2116 transitions. [2024-11-17 04:22:46,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-17 04:22:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2116 transitions. [2024-11-17 04:22:46,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-17 04:22:46,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:46,668 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:46,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-17 04:22:46,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:46,873 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:46,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:46,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1009216036, now seen corresponding path program 1 times [2024-11-17 04:22:46,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:46,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334292783] [2024-11-17 04:22:46,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:46,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:22:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:22:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-17 04:22:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-17 04:22:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-17 04:22:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,056 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:22:47,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:47,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334292783] [2024-11-17 04:22:47,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334292783] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:47,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012942018] [2024-11-17 04:22:47,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:47,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:47,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:47,059 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) [2024-11-17 04:22:47,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-17 04:22:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:47,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:22:47,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:47,321 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-17 04:22:47,321 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:22:47,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012942018] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:47,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:47,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 12 [2024-11-17 04:22:47,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434633383] [2024-11-17 04:22:47,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:47,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:22:47,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:47,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:22:47,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:22:47,519 INFO L87 Difference]: Start difference. First operand 1614 states and 2116 transitions. Second operand has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 4 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-17 04:22:47,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:47,720 INFO L93 Difference]: Finished difference Result 1926 states and 2509 transitions. [2024-11-17 04:22:47,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-17 04:22:47,720 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 4 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 165 [2024-11-17 04:22:47,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:47,724 INFO L225 Difference]: With dead ends: 1926 [2024-11-17 04:22:47,724 INFO L226 Difference]: Without dead ends: 1614 [2024-11-17 04:22:47,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 347 SyntacticMatches, 10 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:22:47,726 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 52 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:47,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 597 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:22:47,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2024-11-17 04:22:47,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1614. [2024-11-17 04:22:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1614 states, 1383 states have (on average 1.2429501084598698) internal successors, (1719), 1407 states have internal predecessors, (1719), 198 states have call successors, (198), 14 states have call predecessors, (198), 14 states have return successors, (198), 192 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-17 04:22:47,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1614 states to 1614 states and 2115 transitions. [2024-11-17 04:22:47,834 INFO L78 Accepts]: Start accepts. Automaton has 1614 states and 2115 transitions. Word has length 165 [2024-11-17 04:22:47,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:47,834 INFO L471 AbstractCegarLoop]: Abstraction has 1614 states and 2115 transitions. [2024-11-17 04:22:47,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 9.166666666666666) internal successors, (110), 12 states have internal predecessors, (110), 4 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-17 04:22:47,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 2115 transitions. [2024-11-17 04:22:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-17 04:22:47,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:47,836 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:47,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-17 04:22:48,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:48,037 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:48,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:48,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1009213795, now seen corresponding path program 3 times [2024-11-17 04:22:48,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:48,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281074954] [2024-11-17 04:22:48,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:48,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:48,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1680491529] [2024-11-17 04:22:48,062 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:22:48,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:48,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:48,066 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) [2024-11-17 04:22:48,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-17 04:22:48,119 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 04:22:48,119 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:48,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-17 04:22:48,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:48,511 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 45 proven. 33 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2024-11-17 04:22:48,511 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:48,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:48,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281074954] [2024-11-17 04:22:48,894 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:48,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680491529] [2024-11-17 04:22:48,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680491529] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:48,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:48,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-17 04:22:48,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587471860] [2024-11-17 04:22:48,895 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:48,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:22:48,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:48,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:22:48,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:22:48,896 INFO L87 Difference]: Start difference. First operand 1614 states and 2115 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:22:49,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:49,990 INFO L93 Difference]: Finished difference Result 2048 states and 2687 transitions. [2024-11-17 04:22:49,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:22:49,991 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 165 [2024-11-17 04:22:49,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:49,996 INFO L225 Difference]: With dead ends: 2048 [2024-11-17 04:22:49,996 INFO L226 Difference]: Without dead ends: 2044 [2024-11-17 04:22:49,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:22:49,997 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 338 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 782 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:49,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 468 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 782 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:22:49,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2024-11-17 04:22:50,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1622. [2024-11-17 04:22:50,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1622 states, 1391 states have (on average 1.2286125089863407) internal successors, (1709), 1415 states have internal predecessors, (1709), 198 states have call successors, (198), 14 states have call predecessors, (198), 14 states have return successors, (198), 192 states have call predecessors, (198), 198 states have call successors, (198) [2024-11-17 04:22:50,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1622 states and 2105 transitions. [2024-11-17 04:22:50,137 INFO L78 Accepts]: Start accepts. Automaton has 1622 states and 2105 transitions. Word has length 165 [2024-11-17 04:22:50,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:50,137 INFO L471 AbstractCegarLoop]: Abstraction has 1622 states and 2105 transitions. [2024-11-17 04:22:50,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-17 04:22:50,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 2105 transitions. [2024-11-17 04:22:50,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-17 04:22:50,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:50,140 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:50,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-17 04:22:50,340 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,SelfDestructingSolverStorable45 [2024-11-17 04:22:50,340 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:50,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:50,341 INFO L85 PathProgramCache]: Analyzing trace with hash -2081119872, now seen corresponding path program 1 times [2024-11-17 04:22:50,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:50,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304051280] [2024-11-17 04:22:50,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:50,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:50,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1566541051] [2024-11-17 04:22:50,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:50,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:50,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:50,363 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) [2024-11-17 04:22:50,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-17 04:22:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:50,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:22:50,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:50,920 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:22:50,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:51,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:51,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304051280] [2024-11-17 04:22:51,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:51,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566541051] [2024-11-17 04:22:51,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566541051] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:51,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:51,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:22:51,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942574059] [2024-11-17 04:22:51,299 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:51,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:22:51,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:51,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:22:51,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:22:51,299 INFO L87 Difference]: Start difference. First operand 1622 states and 2105 transitions. Second operand has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 12 states have internal predecessors, (102), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-17 04:22:51,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:51,967 INFO L93 Difference]: Finished difference Result 1889 states and 2437 transitions. [2024-11-17 04:22:51,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:22:51,967 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 12 states have internal predecessors, (102), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 169 [2024-11-17 04:22:51,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:51,971 INFO L225 Difference]: With dead ends: 1889 [2024-11-17 04:22:51,971 INFO L226 Difference]: Without dead ends: 1887 [2024-11-17 04:22:51,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:22:51,972 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 170 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 902 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 902 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:51,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 502 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 902 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:22:51,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2024-11-17 04:22:52,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 1656. [2024-11-17 04:22:52,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1656 states, 1420 states have (on average 1.226056338028169) internal successors, (1741), 1444 states have internal predecessors, (1741), 203 states have call successors, (203), 14 states have call predecessors, (203), 14 states have return successors, (203), 197 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-17 04:22:52,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2147 transitions. [2024-11-17 04:22:52,121 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2147 transitions. Word has length 169 [2024-11-17 04:22:52,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:52,122 INFO L471 AbstractCegarLoop]: Abstraction has 1656 states and 2147 transitions. [2024-11-17 04:22:52,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.272727272727273) internal successors, (102), 12 states have internal predecessors, (102), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-17 04:22:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2147 transitions. [2024-11-17 04:22:52,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-17 04:22:52,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:52,123 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:52,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-17 04:22:52,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-17 04:22:52,327 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:52,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:52,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1498562174, now seen corresponding path program 1 times [2024-11-17 04:22:52,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:52,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254049786] [2024-11-17 04:22:52,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:52,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:22:52,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1597622477] [2024-11-17 04:22:52,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:52,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:52,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:52,354 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) [2024-11-17 04:22:52,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-17 04:22:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:52,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-17 04:22:52,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-17 04:22:53,021 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:57,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:57,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254049786] [2024-11-17 04:22:57,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:22:57,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597622477] [2024-11-17 04:22:57,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597622477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:57,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:22:57,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:22:57,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253115174] [2024-11-17 04:22:57,615 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:57,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:22:57,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:57,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:22:57,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=248, Unknown=1, NotChecked=0, Total=306 [2024-11-17 04:22:57,616 INFO L87 Difference]: Start difference. First operand 1656 states and 2147 transitions. Second operand has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 12 states have internal predecessors, (104), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-17 04:22:58,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:22:58,362 INFO L93 Difference]: Finished difference Result 1863 states and 2405 transitions. [2024-11-17 04:22:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:22:58,362 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 12 states have internal predecessors, (104), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 171 [2024-11-17 04:22:58,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:22:58,368 INFO L225 Difference]: With dead ends: 1863 [2024-11-17 04:22:58,368 INFO L226 Difference]: Without dead ends: 1837 [2024-11-17 04:22:58,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 300 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=121, Invalid=580, Unknown=1, NotChecked=0, Total=702 [2024-11-17 04:22:58,370 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 329 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:22:58,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 470 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:22:58,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1837 states. [2024-11-17 04:22:58,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1837 to 1634. [2024-11-17 04:22:58,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1400 states have (on average 1.227142857142857) internal successors, (1718), 1424 states have internal predecessors, (1718), 201 states have call successors, (201), 14 states have call predecessors, (201), 14 states have return successors, (201), 195 states have call predecessors, (201), 201 states have call successors, (201) [2024-11-17 04:22:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2120 transitions. [2024-11-17 04:22:58,543 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2120 transitions. Word has length 171 [2024-11-17 04:22:58,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:22:58,543 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2120 transitions. [2024-11-17 04:22:58,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.454545454545455) internal successors, (104), 12 states have internal predecessors, (104), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-17 04:22:58,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2120 transitions. [2024-11-17 04:22:58,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-17 04:22:58,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:22:58,545 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:22:58,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-17 04:22:58,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:58,745 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] === [2024-11-17 04:22:58,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:22:58,746 INFO L85 PathProgramCache]: Analyzing trace with hash 763044015, now seen corresponding path program 2 times [2024-11-17 04:22:58,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:22:58,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938101890] [2024-11-17 04:22:58,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:22:58,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:22:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-17 04:22:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-17 04:22:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-17 04:22:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:22:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-17 04:22:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-17 04:22:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-17 04:22:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-17 04:22:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-17 04:22:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-17 04:22:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-17 04:22:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-17 04:22:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-17 04:22:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-17 04:22:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-17 04:22:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:22:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 14 proven. 79 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-17 04:22:58,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:22:58,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938101890] [2024-11-17 04:22:58,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938101890] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:22:58,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826318957] [2024-11-17 04:22:58,902 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:22:58,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:22:58,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:22:58,904 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:22:58,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-17 04:22:58,972 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:22:58,973 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:22:58,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:22:58,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:22:59,113 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 14 proven. 79 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-17 04:22:59,113 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:22:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 14 proven. 79 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-17 04:22:59,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826318957] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:22:59,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:22:59,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-17 04:22:59,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348105959] [2024-11-17 04:22:59,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:22:59,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 04:22:59,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:22:59,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 04:22:59,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:22:59,321 INFO L87 Difference]: Start difference. First operand 1634 states and 2120 transitions. Second operand has 16 states, 15 states have (on average 13.733333333333333) internal successors, (206), 16 states have internal predecessors, (206), 9 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 9 states have call predecessors, (28), 9 states have call successors, (28)