./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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/ps6-ll_unwindbound10.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 ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:08:22,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:08:22,200 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:08:22,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:08:22,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:08:22,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:08:22,241 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:08:22,241 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:08:22,242 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:08:22,243 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:08:22,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:08:22,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:08:22,244 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:08:22,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:08:22,247 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:08:22,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:08:22,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:08:22,248 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:08:22,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:08:22,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:08:22,249 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:08:22,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:08:22,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:08:22,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:08:22,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:08:22,253 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:08:22,254 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:08:22,254 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:08:22,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:08:22,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:08:22,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:08:22,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:08:22,255 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:08:22,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:08:22,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:08:22,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:08:22,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:08:22,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:08:22,256 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:08:22,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:08:22,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:08:22,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:08:22,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:08:22,258 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:08:22,260 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebfcdae9f2d92c4e39230ecf30ad4ac0897188e9aff6dcbde95509d87ea826ad [2024-11-09 12:08:22,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:08:22,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:08:22,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:08:22,571 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:08:22,571 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:08:22,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2024-11-09 12:08:24,308 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:08:24,532 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:08:24,533 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound10.c [2024-11-09 12:08:24,541 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ac1ec34e/dd10eb6a72d143e892e8950fcabaecc5/FLAGad6f86c3b [2024-11-09 12:08:24,900 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ac1ec34e/dd10eb6a72d143e892e8950fcabaecc5 [2024-11-09 12:08:24,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:08:24,905 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:08:24,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:08:24,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:08:24,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:08:24,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:08:24" (1/1) ... [2024-11-09 12:08:24,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23a2dec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:24, skipping insertion in model container [2024-11-09 12:08:24,914 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:08:24" (1/1) ... [2024-11-09 12:08:24,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:08:25,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:08:25,109 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:08:25,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:08:25,149 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:08:25,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:25 WrapperNode [2024-11-09 12:08:25,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:08:25,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:08:25,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:08:25,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:08:25,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:25" (1/1) ... [2024-11-09 12:08:25,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:25" (1/1) ... [2024-11-09 12:08:25,195 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 153 [2024-11-09 12:08:25,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:08:25,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:08:25,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:08:25,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:08:25,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:25" (1/1) ... [2024-11-09 12:08:25,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:25" (1/1) ... [2024-11-09 12:08:25,209 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:25" (1/1) ... [2024-11-09 12:08:25,223 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]. [2024-11-09 12:08:25,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:25" (1/1) ... [2024-11-09 12:08:25,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:25" (1/1) ... [2024-11-09 12:08:25,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:25" (1/1) ... [2024-11-09 12:08:25,231 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:25" (1/1) ... [2024-11-09 12:08:25,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:25" (1/1) ... [2024-11-09 12:08:25,233 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:25" (1/1) ... [2024-11-09 12:08:25,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:08:25,236 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:08:25,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:08:25,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:08:25,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:25" (1/1) ... [2024-11-09 12:08:25,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:08:25,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:25,277 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) [2024-11-09 12:08:25,289 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 [2024-11-09 12:08:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:08:25,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:08:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:08:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:08:25,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:08:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:08:25,392 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:08:25,395 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:08:26,162 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-09 12:08:26,162 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:08:26,208 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:08:26,209 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 12:08:26,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:08:26 BoogieIcfgContainer [2024-11-09 12:08:26,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:08:26,212 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:08:26,212 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:08:26,216 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:08:26,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:08:24" (1/3) ... [2024-11-09 12:08:26,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ef7b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:08:26, skipping insertion in model container [2024-11-09 12:08:26,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:08:25" (2/3) ... [2024-11-09 12:08:26,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ef7b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:08:26, skipping insertion in model container [2024-11-09 12:08:26,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:08:26" (3/3) ... [2024-11-09 12:08:26,220 INFO L112 eAbstractionObserver]: Analyzing ICFG ps6-ll_unwindbound10.c [2024-11-09 12:08:26,237 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:08:26,238 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 104 error locations. [2024-11-09 12:08:26,316 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:08:26,322 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;@33e542eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:08:26,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2024-11-09 12:08:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand has 228 states, 119 states have (on average 1.915966386554622) internal successors, (228), 223 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:08:26,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:08:26,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:26,334 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:08:26,334 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:26,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:26,339 INFO L85 PathProgramCache]: Analyzing trace with hash 889508776, now seen corresponding path program 1 times [2024-11-09 12:08:26,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:26,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755199808] [2024-11-09 12:08:26,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:26,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:26,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:26,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755199808] [2024-11-09 12:08:26,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755199808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:26,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:08:26,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:08:26,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015573603] [2024-11-09 12:08:26,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:26,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:08:26,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:26,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:08:26,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:08:26,492 INFO L87 Difference]: Start difference. First operand has 228 states, 119 states have (on average 1.915966386554622) internal successors, (228), 223 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 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) [2024-11-09 12:08:26,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:26,522 INFO L93 Difference]: Finished difference Result 427 states and 466 transitions. [2024-11-09 12:08:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:08:26,524 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 [2024-11-09 12:08:26,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:26,539 INFO L225 Difference]: With dead ends: 427 [2024-11-09 12:08:26,539 INFO L226 Difference]: Without dead ends: 196 [2024-11-09 12:08:26,555 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 [2024-11-09 12:08:26,561 INFO L432 NwaCegarLoop]: 205 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, 205 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 [2024-11-09 12:08:26,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:08:26,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-09 12:08:26,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-09 12:08:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 114 states have (on average 1.7017543859649122) internal successors, (194), 192 states have internal predecessors, (194), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:08:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 198 transitions. [2024-11-09 12:08:26,657 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 198 transitions. Word has length 6 [2024-11-09 12:08:26,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:26,660 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 198 transitions. [2024-11-09 12:08:26,660 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) [2024-11-09 12:08:26,661 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 198 transitions. [2024-11-09 12:08:26,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:08:26,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:26,661 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:08:26,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:08:26,662 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:26,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:26,664 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-09 12:08:26,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:26,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966402615] [2024-11-09 12:08:26,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:26,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:26,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:26,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:26,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966402615] [2024-11-09 12:08:26,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966402615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:26,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:08:26,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:08:26,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907698650] [2024-11-09 12:08:26,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:26,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:08:26,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:26,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:08:26,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:08:26,774 INFO L87 Difference]: Start difference. First operand 196 states and 198 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) [2024-11-09 12:08:26,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:26,829 INFO L93 Difference]: Finished difference Result 196 states and 198 transitions. [2024-11-09 12:08:26,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:08:26,829 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 [2024-11-09 12:08:26,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:26,831 INFO L225 Difference]: With dead ends: 196 [2024-11-09 12:08:26,831 INFO L226 Difference]: Without dead ends: 195 [2024-11-09 12:08:26,831 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 [2024-11-09 12:08:26,832 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 194 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:26,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 381 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:08:26,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-09 12:08:26,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2024-11-09 12:08:26,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 114 states have (on average 1.6929824561403508) internal successors, (193), 191 states have internal predecessors, (193), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:08:26,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 197 transitions. [2024-11-09 12:08:26,843 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 197 transitions. Word has length 6 [2024-11-09 12:08:26,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:26,843 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 197 transitions. [2024-11-09 12:08:26,843 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) [2024-11-09 12:08:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 197 transitions. [2024-11-09 12:08:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 12:08:26,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:26,844 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:26,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:08:26,845 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:26,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:26,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-09 12:08:26,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:26,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132220542] [2024-11-09 12:08:26,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:26,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:26,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:26,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132220542] [2024-11-09 12:08:26,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132220542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:26,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:08:26,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:08:26,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669059574] [2024-11-09 12:08:26,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:26,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:08:26,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:26,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:08:26,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:08:26,948 INFO L87 Difference]: Start difference. First operand 195 states and 197 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) [2024-11-09 12:08:26,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:26,992 INFO L93 Difference]: Finished difference Result 285 states and 287 transitions. [2024-11-09 12:08:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:08:26,998 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 [2024-11-09 12:08:26,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:27,000 INFO L225 Difference]: With dead ends: 285 [2024-11-09 12:08:27,000 INFO L226 Difference]: Without dead ends: 199 [2024-11-09 12:08:27,000 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 [2024-11-09 12:08:27,003 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 3 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:27,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 573 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:08:27,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-09 12:08:27,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-11-09 12:08:27,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 118 states have (on average 1.6694915254237288) internal successors, (197), 195 states have internal predecessors, (197), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:08:27,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 201 transitions. [2024-11-09 12:08:27,020 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 201 transitions. Word has length 7 [2024-11-09 12:08:27,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:27,021 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 201 transitions. [2024-11-09 12:08:27,021 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) [2024-11-09 12:08:27,021 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 201 transitions. [2024-11-09 12:08:27,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 12:08:27,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:27,022 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:27,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:08:27,022 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:27,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:27,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-09 12:08:27,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:27,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101189129] [2024-11-09 12:08:27,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:27,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:27,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:27,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:27,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101189129] [2024-11-09 12:08:27,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101189129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:27,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:08:27,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:08:27,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770681390] [2024-11-09 12:08:27,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:27,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:08:27,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:27,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:08:27,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:08:27,101 INFO L87 Difference]: Start difference. First operand 199 states and 201 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-09 12:08:27,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:27,485 INFO L93 Difference]: Finished difference Result 359 states and 367 transitions. [2024-11-09 12:08:27,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:08:27,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-11-09 12:08:27,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:27,487 INFO L225 Difference]: With dead ends: 359 [2024-11-09 12:08:27,487 INFO L226 Difference]: Without dead ends: 295 [2024-11-09 12:08:27,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:08:27,488 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 98 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:27,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 141 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:08:27,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-09 12:08:27,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 289. [2024-11-09 12:08:27,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 207 states have (on average 1.429951690821256) internal successors, (296), 284 states have internal predecessors, (296), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:08:27,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 302 transitions. [2024-11-09 12:08:27,502 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 302 transitions. Word has length 9 [2024-11-09 12:08:27,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:27,502 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 302 transitions. [2024-11-09 12:08:27,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-09 12:08:27,503 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 302 transitions. [2024-11-09 12:08:27,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 12:08:27,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:27,503 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:27,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:08:27,504 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:27,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:27,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1158660914, now seen corresponding path program 1 times [2024-11-09 12:08:27,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:27,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386927780] [2024-11-09 12:08:27,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:27,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:27,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:27,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:27,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386927780] [2024-11-09 12:08:27,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386927780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:27,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:08:27,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:08:27,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238551032] [2024-11-09 12:08:27,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:27,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:08:27,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:27,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:08:27,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:08:27,615 INFO L87 Difference]: Start difference. First operand 289 states and 302 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-09 12:08:27,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:27,677 INFO L93 Difference]: Finished difference Result 313 states and 320 transitions. [2024-11-09 12:08:27,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:08:27,678 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2024-11-09 12:08:27,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:27,680 INFO L225 Difference]: With dead ends: 313 [2024-11-09 12:08:27,680 INFO L226 Difference]: Without dead ends: 306 [2024-11-09 12:08:27,680 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:08:27,681 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 68 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:27,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 359 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:08:27,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-09 12:08:27,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 288. [2024-11-09 12:08:27,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 206 states have (on average 1.4029126213592233) internal successors, (289), 283 states have internal predecessors, (289), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:08:27,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 295 transitions. [2024-11-09 12:08:27,694 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 295 transitions. Word has length 47 [2024-11-09 12:08:27,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:27,695 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 295 transitions. [2024-11-09 12:08:27,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-09 12:08:27,695 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 295 transitions. [2024-11-09 12:08:27,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 12:08:27,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:27,696 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:27,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 12:08:27,696 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:27,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:27,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1076612948, now seen corresponding path program 1 times [2024-11-09 12:08:27,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:27,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613693256] [2024-11-09 12:08:27,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:27,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:27,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:27,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:27,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613693256] [2024-11-09 12:08:27,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613693256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:27,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:08:27,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:08:27,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265271259] [2024-11-09 12:08:27,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:27,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:08:27,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:27,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:08:27,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:08:27,857 INFO L87 Difference]: Start difference. First operand 288 states and 295 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-09 12:08:28,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:28,027 INFO L93 Difference]: Finished difference Result 308 states and 313 transitions. [2024-11-09 12:08:28,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:08:28,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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 49 [2024-11-09 12:08:28,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:28,029 INFO L225 Difference]: With dead ends: 308 [2024-11-09 12:08:28,029 INFO L226 Difference]: Without dead ends: 265 [2024-11-09 12:08:28,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:08:28,030 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 154 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:28,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 284 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:08:28,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-09 12:08:28,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 247. [2024-11-09 12:08:28,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 165 states have (on average 1.490909090909091) internal successors, (246), 242 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:08:28,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 252 transitions. [2024-11-09 12:08:28,054 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 252 transitions. Word has length 49 [2024-11-09 12:08:28,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:28,055 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 252 transitions. [2024-11-09 12:08:28,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-09 12:08:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 252 transitions. [2024-11-09 12:08:28,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 12:08:28,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:28,056 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:28,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:08:28,057 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:28,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:28,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1058568341, now seen corresponding path program 1 times [2024-11-09 12:08:28,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:28,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172776841] [2024-11-09 12:08:28,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:28,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:28,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:08:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:28,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:28,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:28,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172776841] [2024-11-09 12:08:28,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172776841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:28,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:08:28,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:08:28,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296221555] [2024-11-09 12:08:28,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:28,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:08:28,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:28,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:08:28,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:08:28,185 INFO L87 Difference]: Start difference. First operand 247 states and 252 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-09 12:08:28,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:28,238 INFO L93 Difference]: Finished difference Result 249 states and 252 transitions. [2024-11-09 12:08:28,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:08:28,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 57 [2024-11-09 12:08:28,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:28,240 INFO L225 Difference]: With dead ends: 249 [2024-11-09 12:08:28,240 INFO L226 Difference]: Without dead ends: 247 [2024-11-09 12:08:28,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:08:28,241 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:28,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 383 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:08:28,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-09 12:08:28,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2024-11-09 12:08:28,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 165 states have (on average 1.4787878787878788) internal successors, (244), 242 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:08:28,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 250 transitions. [2024-11-09 12:08:28,254 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 250 transitions. Word has length 57 [2024-11-09 12:08:28,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:28,259 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 250 transitions. [2024-11-09 12:08:28,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-09 12:08:28,259 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 250 transitions. [2024-11-09 12:08:28,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 12:08:28,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:28,260 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:28,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:08:28,260 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:28,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:28,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1007821026, now seen corresponding path program 1 times [2024-11-09 12:08:28,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:28,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234625719] [2024-11-09 12:08:28,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:28,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:28,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1879342845] [2024-11-09 12:08:28,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:28,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:28,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:28,303 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) [2024-11-09 12:08:28,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:08:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:28,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:08:28,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:28,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:28,485 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:08:28,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:28,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234625719] [2024-11-09 12:08:28,486 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:28,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879342845] [2024-11-09 12:08:28,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879342845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:28,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:08:28,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:08:28,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672182418] [2024-11-09 12:08:28,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:28,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:08:28,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:28,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:08:28,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:08:28,490 INFO L87 Difference]: Start difference. First operand 247 states and 250 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-11-09 12:08:28,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:28,861 INFO L93 Difference]: Finished difference Result 426 states and 440 transitions. [2024-11-09 12:08:28,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:08:28,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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 62 [2024-11-09 12:08:28,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:28,863 INFO L225 Difference]: With dead ends: 426 [2024-11-09 12:08:28,863 INFO L226 Difference]: Without dead ends: 361 [2024-11-09 12:08:28,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:08:28,864 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 113 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:28,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 162 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:08:28,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-09 12:08:28,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 354. [2024-11-09 12:08:28,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 270 states have (on average 1.3518518518518519) internal successors, (365), 347 states have internal predecessors, (365), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:08:28,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 375 transitions. [2024-11-09 12:08:28,872 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 375 transitions. Word has length 62 [2024-11-09 12:08:28,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:28,872 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 375 transitions. [2024-11-09 12:08:28,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-11-09 12:08:28,872 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 375 transitions. [2024-11-09 12:08:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 12:08:28,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:28,873 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:28,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 12:08:29,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:29,079 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:29,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:29,080 INFO L85 PathProgramCache]: Analyzing trace with hash -809386143, now seen corresponding path program 1 times [2024-11-09 12:08:29,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:29,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001271282] [2024-11-09 12:08:29,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:29,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:29,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:08:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:29,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:29,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001271282] [2024-11-09 12:08:29,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001271282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:29,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:08:29,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:08:29,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155962992] [2024-11-09 12:08:29,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:29,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:08:29,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:29,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:08:29,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:08:29,245 INFO L87 Difference]: Start difference. First operand 354 states and 375 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-11-09 12:08:29,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:29,570 INFO L93 Difference]: Finished difference Result 355 states and 375 transitions. [2024-11-09 12:08:29,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:08:29,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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 69 [2024-11-09 12:08:29,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:29,572 INFO L225 Difference]: With dead ends: 355 [2024-11-09 12:08:29,572 INFO L226 Difference]: Without dead ends: 354 [2024-11-09 12:08:29,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:08:29,573 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 57 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:29,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 338 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:08:29,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-09 12:08:29,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-11-09 12:08:29,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 270 states have (on average 1.348148148148148) internal successors, (364), 347 states have internal predecessors, (364), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:08:29,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 374 transitions. [2024-11-09 12:08:29,584 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 374 transitions. Word has length 69 [2024-11-09 12:08:29,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:29,585 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 374 transitions. [2024-11-09 12:08:29,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-11-09 12:08:29,585 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 374 transitions. [2024-11-09 12:08:29,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 12:08:29,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:29,586 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:29,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 12:08:29,586 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:29,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:29,587 INFO L85 PathProgramCache]: Analyzing trace with hash 678833514, now seen corresponding path program 1 times [2024-11-09 12:08:29,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:29,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196759763] [2024-11-09 12:08:29,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:29,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:29,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:08:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:29,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:29,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:29,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196759763] [2024-11-09 12:08:29,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196759763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:29,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:08:29,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:08:29,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274580639] [2024-11-09 12:08:29,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:29,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:08:29,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:29,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:08:29,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:08:29,671 INFO L87 Difference]: Start difference. First operand 354 states and 374 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (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) [2024-11-09 12:08:29,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:29,931 INFO L93 Difference]: Finished difference Result 355 states and 374 transitions. [2024-11-09 12:08:29,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:08:29,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (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 70 [2024-11-09 12:08:29,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:29,933 INFO L225 Difference]: With dead ends: 355 [2024-11-09 12:08:29,933 INFO L226 Difference]: Without dead ends: 354 [2024-11-09 12:08:29,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:08:29,934 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 50 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:29,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 347 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:08:29,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-09 12:08:29,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-11-09 12:08:29,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 270 states have (on average 1.3444444444444446) internal successors, (363), 347 states have internal predecessors, (363), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:08:29,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 373 transitions. [2024-11-09 12:08:29,946 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 373 transitions. Word has length 70 [2024-11-09 12:08:29,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:29,946 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 373 transitions. [2024-11-09 12:08:29,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (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) [2024-11-09 12:08:29,946 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 373 transitions. [2024-11-09 12:08:29,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 12:08:29,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:29,948 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:29,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 12:08:29,948 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:29,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:29,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1871737532, now seen corresponding path program 1 times [2024-11-09 12:08:29,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:29,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407821962] [2024-11-09 12:08:29,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:29,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:30,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:08:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:30,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:30,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407821962] [2024-11-09 12:08:30,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407821962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:08:30,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657146973] [2024-11-09 12:08:30,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:30,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:30,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:30,041 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) [2024-11-09 12:08:30,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:08:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:30,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 12:08:30,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:30,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:30,203 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:08:30,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657146973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:30,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:08:30,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 12:08:30,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416429568] [2024-11-09 12:08:30,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:30,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:08:30,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:30,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:08:30,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:08:30,205 INFO L87 Difference]: Start difference. First operand 354 states and 373 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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) [2024-11-09 12:08:30,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:30,249 INFO L93 Difference]: Finished difference Result 484 states and 508 transitions. [2024-11-09 12:08:30,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:08:30,250 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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 73 [2024-11-09 12:08:30,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:30,251 INFO L225 Difference]: With dead ends: 484 [2024-11-09 12:08:30,252 INFO L226 Difference]: Without dead ends: 483 [2024-11-09 12:08:30,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:08:30,253 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 132 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:30,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 893 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:08:30,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-09 12:08:30,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 443. [2024-11-09 12:08:30,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 357 states have (on average 1.3529411764705883) internal successors, (483), 435 states have internal predecessors, (483), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:08:30,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 497 transitions. [2024-11-09 12:08:30,262 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 497 transitions. Word has length 73 [2024-11-09 12:08:30,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:30,263 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 497 transitions. [2024-11-09 12:08:30,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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) [2024-11-09 12:08:30,264 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 497 transitions. [2024-11-09 12:08:30,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 12:08:30,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:30,264 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:30,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 12:08:30,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 12:08:30,466 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:30,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:30,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1637859655, now seen corresponding path program 1 times [2024-11-09 12:08:30,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:30,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595300976] [2024-11-09 12:08:30,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:30,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:30,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:08:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:30,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:30,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:30,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595300976] [2024-11-09 12:08:30,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595300976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:08:30,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238763369] [2024-11-09 12:08:30,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:30,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:30,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:30,605 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) [2024-11-09 12:08:30,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:08:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:30,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:08:30,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:30,733 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:30,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:30,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238763369] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:08:30,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:08:30,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-09 12:08:30,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222853766] [2024-11-09 12:08:30,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:08:30,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:08:30,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:30,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:08:30,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:08:30,908 INFO L87 Difference]: Start difference. First operand 443 states and 497 transitions. Second operand has 10 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:08:31,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:31,075 INFO L93 Difference]: Finished difference Result 762 states and 805 transitions. [2024-11-09 12:08:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:08:31,076 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 113 [2024-11-09 12:08:31,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:31,084 INFO L225 Difference]: With dead ends: 762 [2024-11-09 12:08:31,084 INFO L226 Difference]: Without dead ends: 632 [2024-11-09 12:08:31,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:08:31,089 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 272 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:31,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 1221 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:08:31,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-11-09 12:08:31,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 531. [2024-11-09 12:08:31,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 441 states have (on average 1.4625850340136055) internal successors, (645), 519 states have internal predecessors, (645), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:08:31,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 661 transitions. [2024-11-09 12:08:31,120 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 661 transitions. Word has length 113 [2024-11-09 12:08:31,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:31,121 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 661 transitions. [2024-11-09 12:08:31,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:08:31,121 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 661 transitions. [2024-11-09 12:08:31,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 12:08:31,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:31,122 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:31,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 12:08:31,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:31,324 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:31,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:31,325 INFO L85 PathProgramCache]: Analyzing trace with hash -188695060, now seen corresponding path program 1 times [2024-11-09 12:08:31,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:31,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801958899] [2024-11-09 12:08:31,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:31,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:31,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [433253012] [2024-11-09 12:08:31,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:31,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:31,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:31,374 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) [2024-11-09 12:08:31,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:08:31,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:31,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:08:31,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:31,956 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:31,956 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:32,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:32,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801958899] [2024-11-09 12:08:32,365 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:32,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433253012] [2024-11-09 12:08:32,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433253012] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:08:32,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:08:32,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-09 12:08:32,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854224205] [2024-11-09 12:08:32,367 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:08:32,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:08:32,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:32,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:08:32,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:08:32,369 INFO L87 Difference]: Start difference. First operand 531 states and 661 transitions. Second operand has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:08:34,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:34,049 INFO L93 Difference]: Finished difference Result 545 states and 661 transitions. [2024-11-09 12:08:34,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 12:08:34,050 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 113 [2024-11-09 12:08:34,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:34,054 INFO L225 Difference]: With dead ends: 545 [2024-11-09 12:08:34,054 INFO L226 Difference]: Without dead ends: 536 [2024-11-09 12:08:34,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:08:34,056 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 481 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:34,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 165 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 12:08:34,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-09 12:08:34,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 528. [2024-11-09 12:08:34,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 441 states have (on average 1.4263038548752835) internal successors, (629), 516 states have internal predecessors, (629), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:08:34,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 645 transitions. [2024-11-09 12:08:34,076 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 645 transitions. Word has length 113 [2024-11-09 12:08:34,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:34,076 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 645 transitions. [2024-11-09 12:08:34,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:08:34,077 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 645 transitions. [2024-11-09 12:08:34,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 12:08:34,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:34,077 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:34,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-09 12:08:34,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:34,282 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:34,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:34,282 INFO L85 PathProgramCache]: Analyzing trace with hash -947321970, now seen corresponding path program 1 times [2024-11-09 12:08:34,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:34,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613936532] [2024-11-09 12:08:34,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:34,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:34,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1282032487] [2024-11-09 12:08:34,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:34,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:34,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:34,344 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) [2024-11-09 12:08:34,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:08:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:34,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:08:34,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:34,739 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:08:34,740 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 12:08:35,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:35,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613936532] [2024-11-09 12:08:35,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:35,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282032487] [2024-11-09 12:08:35,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282032487] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:08:35,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:08:35,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-09 12:08:35,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735481789] [2024-11-09 12:08:35,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:35,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:08:35,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:35,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:08:35,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:08:35,069 INFO L87 Difference]: Start difference. First operand 528 states and 645 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-11-09 12:08:39,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:44,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:08:45,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:45,857 INFO L93 Difference]: Finished difference Result 528 states and 645 transitions. [2024-11-09 12:08:45,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:08:45,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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 115 [2024-11-09 12:08:45,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:45,861 INFO L225 Difference]: With dead ends: 528 [2024-11-09 12:08:45,861 INFO L226 Difference]: Without dead ends: 526 [2024-11-09 12:08:45,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:08:45,862 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 99 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:45,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 47 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 412 Invalid, 1 Unknown, 0 Unchecked, 10.7s Time] [2024-11-09 12:08:45,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-09 12:08:45,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2024-11-09 12:08:45,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 441 states have (on average 1.4104308390022675) internal successors, (622), 514 states have internal predecessors, (622), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:08:45,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 638 transitions. [2024-11-09 12:08:45,880 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 638 transitions. Word has length 115 [2024-11-09 12:08:45,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:45,880 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 638 transitions. [2024-11-09 12:08:45,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-11-09 12:08:45,881 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 638 transitions. [2024-11-09 12:08:45,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 12:08:45,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:45,882 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:45,903 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 12:08:46,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 12:08:46,087 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:46,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:46,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1753034033, now seen corresponding path program 1 times [2024-11-09 12:08:46,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:46,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872026937] [2024-11-09 12:08:46,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:46,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:46,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:08:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:46,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 12:08:46,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:46,224 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:08:46,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:46,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872026937] [2024-11-09 12:08:46,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872026937] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:08:46,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499005424] [2024-11-09 12:08:46,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:46,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:46,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:46,226 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) [2024-11-09 12:08:46,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:08:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:46,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:08:46,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:08:46,430 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:08:46,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499005424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:08:46,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:08:46,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 12:08:46,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696718858] [2024-11-09 12:08:46,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:08:46,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:08:46,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:46,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:08:46,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:08:46,432 INFO L87 Difference]: Start difference. First operand 526 states and 638 transitions. Second operand has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:08:46,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:46,462 INFO L93 Difference]: Finished difference Result 562 states and 644 transitions. [2024-11-09 12:08:46,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:08:46,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 123 [2024-11-09 12:08:46,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:46,465 INFO L225 Difference]: With dead ends: 562 [2024-11-09 12:08:46,465 INFO L226 Difference]: Without dead ends: 561 [2024-11-09 12:08:46,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:08:46,466 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 117 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:46,467 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 525 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:08:46,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-11-09 12:08:46,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 525. [2024-11-09 12:08:46,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 441 states have (on average 1.4036281179138321) internal successors, (619), 513 states have internal predecessors, (619), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:08:46,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 635 transitions. [2024-11-09 12:08:46,487 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 635 transitions. Word has length 123 [2024-11-09 12:08:46,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:46,488 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 635 transitions. [2024-11-09 12:08:46,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:08:46,488 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 635 transitions. [2024-11-09 12:08:46,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 12:08:46,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:46,490 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:46,508 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 12:08:46,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 12:08:46,691 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:46,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:46,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1490519972, now seen corresponding path program 1 times [2024-11-09 12:08:46,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:46,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659274938] [2024-11-09 12:08:46,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:46,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:46,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:08:46,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:46,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 12:08:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:08:46,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:46,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659274938] [2024-11-09 12:08:46,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659274938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:08:46,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558588344] [2024-11-09 12:08:46,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:46,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:46,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:46,799 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) [2024-11-09 12:08:46,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 12:08:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:46,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:08:46,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:08:46,978 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:47,120 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:08:47,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558588344] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:08:47,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:08:47,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 12:08:47,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840350361] [2024-11-09 12:08:47,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:08:47,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:08:47,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:47,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:08:47,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:08:47,123 INFO L87 Difference]: Start difference. First operand 525 states and 635 transitions. Second operand has 7 states, 6 states have (on average 46.333333333333336) internal successors, (278), 7 states have internal predecessors, (278), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:08:47,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:47,174 INFO L93 Difference]: Finished difference Result 644 states and 713 transitions. [2024-11-09 12:08:47,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:08:47,174 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 46.333333333333336) internal successors, (278), 7 states have internal predecessors, (278), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 124 [2024-11-09 12:08:47,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:47,177 INFO L225 Difference]: With dead ends: 644 [2024-11-09 12:08:47,177 INFO L226 Difference]: Without dead ends: 643 [2024-11-09 12:08:47,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:08:47,178 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 84 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:47,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 827 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:08:47,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-11-09 12:08:47,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 571. [2024-11-09 12:08:47,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 486 states have (on average 1.4238683127572016) internal successors, (692), 558 states have internal predecessors, (692), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:08:47,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 710 transitions. [2024-11-09 12:08:47,196 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 710 transitions. Word has length 124 [2024-11-09 12:08:47,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:47,196 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 710 transitions. [2024-11-09 12:08:47,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 46.333333333333336) internal successors, (278), 7 states have internal predecessors, (278), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:08:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 710 transitions. [2024-11-09 12:08:47,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 12:08:47,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:47,198 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:47,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 12:08:47,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:47,399 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:47,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:47,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1928783128, now seen corresponding path program 1 times [2024-11-09 12:08:47,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:47,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968251567] [2024-11-09 12:08:47,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:47,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:47,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [449776608] [2024-11-09 12:08:47,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:47,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:47,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:47,428 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) [2024-11-09 12:08:47,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 12:08:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:47,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 12:08:47,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:47,644 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:08:47,645 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:47,871 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:08:47,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:47,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968251567] [2024-11-09 12:08:47,872 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:47,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449776608] [2024-11-09 12:08:47,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449776608] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:08:47,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:08:47,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-09 12:08:47,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043526144] [2024-11-09 12:08:47,872 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:08:47,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:08:47,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:47,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:08:47,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:08:47,874 INFO L87 Difference]: Start difference. First operand 571 states and 710 transitions. Second operand has 8 states, 7 states have (on average 33.714285714285715) internal successors, (236), 8 states have internal predecessors, (236), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:08:48,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:08:48,679 INFO L93 Difference]: Finished difference Result 620 states and 716 transitions. [2024-11-09 12:08:48,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:08:48,679 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.714285714285715) internal successors, (236), 8 states have internal predecessors, (236), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 128 [2024-11-09 12:08:48,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:08:48,681 INFO L225 Difference]: With dead ends: 620 [2024-11-09 12:08:48,681 INFO L226 Difference]: Without dead ends: 555 [2024-11-09 12:08:48,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:08:48,682 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 416 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:08:48,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 173 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 12:08:48,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-11-09 12:08:48,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 549. [2024-11-09 12:08:48,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 482 states have (on average 1.2323651452282158) internal successors, (594), 537 states have internal predecessors, (594), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:08:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 612 transitions. [2024-11-09 12:08:48,702 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 612 transitions. Word has length 128 [2024-11-09 12:08:48,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:08:48,703 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 612 transitions. [2024-11-09 12:08:48,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.714285714285715) internal successors, (236), 8 states have internal predecessors, (236), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:08:48,704 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 612 transitions. [2024-11-09 12:08:48,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 12:08:48,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:08:48,705 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 12:08:48,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 12:08:48,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 12:08:48,910 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:08:48,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:08:48,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1903018352, now seen corresponding path program 1 times [2024-11-09 12:08:48,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:08:48,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551287490] [2024-11-09 12:08:48,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:48,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:08:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:08:48,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [148474851] [2024-11-09 12:08:48,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:08:48,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:08:48,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:08:48,934 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) [2024-11-09 12:08:48,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 12:08:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:08:49,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:08:49,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:08:49,544 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:08:49,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:08:50,619 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:08:50,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:08:50,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551287490] [2024-11-09 12:08:50,620 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:08:50,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148474851] [2024-11-09 12:08:50,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148474851] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:08:50,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:08:50,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-11-09 12:08:50,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295210070] [2024-11-09 12:08:50,620 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:08:50,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 12:08:50,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:08:50,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 12:08:50,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:08:50,625 INFO L87 Difference]: Start difference. First operand 549 states and 612 transitions. Second operand has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:08:57,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:03,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:04,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:09,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:09,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:09,260 INFO L93 Difference]: Finished difference Result 555 states and 615 transitions. [2024-11-09 12:09:09,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 12:09:09,261 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 136 [2024-11-09 12:09:09,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:09,263 INFO L225 Difference]: With dead ends: 555 [2024-11-09 12:09:09,263 INFO L226 Difference]: Without dead ends: 554 [2024-11-09 12:09:09,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2024-11-09 12:09:09,264 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 390 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1126 mSolverCounterSat, 52 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1126 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:09,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 133 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1126 Invalid, 2 Unknown, 0 Unchecked, 18.5s Time] [2024-11-09 12:09:09,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-09 12:09:09,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 548. [2024-11-09 12:09:09,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 482 states have (on average 1.2261410788381744) internal successors, (591), 536 states have internal predecessors, (591), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:09:09,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 609 transitions. [2024-11-09 12:09:09,285 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 609 transitions. Word has length 136 [2024-11-09 12:09:09,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:09,286 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 609 transitions. [2024-11-09 12:09:09,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:09:09,286 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 609 transitions. [2024-11-09 12:09:09,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-09 12:09:09,288 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:09,288 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:09,306 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-09 12:09:09,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 12:09:09,496 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:09,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:09,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1508503075, now seen corresponding path program 1 times [2024-11-09 12:09:09,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:09,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195210147] [2024-11-09 12:09:09,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:09,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:09,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [469083737] [2024-11-09 12:09:09,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:09,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:09,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:09,526 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) [2024-11-09 12:09:09,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 12:09:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:09,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:09:09,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:10,046 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:09:10,047 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:10,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:10,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195210147] [2024-11-09 12:09:10,433 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:10,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469083737] [2024-11-09 12:09:10,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469083737] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:09:10,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:09:10,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 12:09:10,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617662327] [2024-11-09 12:09:10,433 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:10,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:09:10,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:10,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:09:10,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:09:10,435 INFO L87 Difference]: Start difference. First operand 548 states and 609 transitions. Second operand has 5 states, 4 states have (on average 39.5) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:09:10,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:10,833 INFO L93 Difference]: Finished difference Result 551 states and 612 transitions. [2024-11-09 12:09:10,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:09:10,834 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 39.5) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 170 [2024-11-09 12:09:10,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:10,838 INFO L225 Difference]: With dead ends: 551 [2024-11-09 12:09:10,839 INFO L226 Difference]: Without dead ends: 538 [2024-11-09 12:09:10,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:09:10,840 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 75 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:10,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 61 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:09:10,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-09 12:09:10,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 535. [2024-11-09 12:09:10,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 482 states have (on average 1.1742738589211619) internal successors, (566), 523 states have internal predecessors, (566), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:09:10,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 584 transitions. [2024-11-09 12:09:10,863 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 584 transitions. Word has length 170 [2024-11-09 12:09:10,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:10,864 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 584 transitions. [2024-11-09 12:09:10,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 39.5) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:09:10,864 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 584 transitions. [2024-11-09 12:09:10,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-09 12:09:10,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:10,867 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:10,885 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 12:09:11,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:11,071 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:11,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:11,071 INFO L85 PathProgramCache]: Analyzing trace with hash -481044668, now seen corresponding path program 1 times [2024-11-09 12:09:11,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:11,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111512708] [2024-11-09 12:09:11,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:11,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:11,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [72460730] [2024-11-09 12:09:11,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:11,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:11,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:11,105 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) [2024-11-09 12:09:11,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 12:09:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:11,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 12:09:11,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:11,634 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:09:11,635 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:12,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:12,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111512708] [2024-11-09 12:09:12,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:12,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72460730] [2024-11-09 12:09:12,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72460730] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:09:12,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:09:12,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 12:09:12,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379302712] [2024-11-09 12:09:12,489 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:12,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:09:12,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:12,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:09:12,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:09:12,490 INFO L87 Difference]: Start difference. First operand 535 states and 584 transitions. Second operand has 6 states, 5 states have (on average 31.8) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:09:12,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:12,987 INFO L93 Difference]: Finished difference Result 538 states and 586 transitions. [2024-11-09 12:09:12,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:09:12,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.8) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 171 [2024-11-09 12:09:12,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:12,990 INFO L225 Difference]: With dead ends: 538 [2024-11-09 12:09:12,990 INFO L226 Difference]: Without dead ends: 492 [2024-11-09 12:09:12,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:09:12,991 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:12,991 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 156 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:09:12,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-09 12:09:13,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2024-11-09 12:09:13,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 440 states have (on average 1.1886363636363637) internal successors, (523), 480 states have internal predecessors, (523), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:09:13,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 539 transitions. [2024-11-09 12:09:13,034 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 539 transitions. Word has length 171 [2024-11-09 12:09:13,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:13,034 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 539 transitions. [2024-11-09 12:09:13,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.8) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:09:13,034 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 539 transitions. [2024-11-09 12:09:13,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 12:09:13,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:13,036 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-09 12:09:13,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 12:09:13,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:13,241 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:13,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:13,242 INFO L85 PathProgramCache]: Analyzing trace with hash 637870879, now seen corresponding path program 1 times [2024-11-09 12:09:13,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:13,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453870219] [2024-11-09 12:09:13,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:13,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:13,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [294388115] [2024-11-09 12:09:13,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:13,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:13,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:13,275 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) [2024-11-09 12:09:13,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 12:09:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:13,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 12:09:13,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:13,819 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 3 proven. 150 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 12:09:13,820 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:22,110 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (or (forall ((|v_ULTIMATE.start_main_~y~0#1_231| Int)) (or (< (+ |c_ULTIMATE.start_main_~y~0#1| 1) |v_ULTIMATE.start_main_~y~0#1_231|) (< (* |v_ULTIMATE.start_main_~y~0#1_231| |v_ULTIMATE.start_main_~y~0#1_231| |v_ULTIMATE.start_main_~y~0#1_231| |v_ULTIMATE.start_main_~y~0#1_231| |v_ULTIMATE.start_main_~y~0#1_231|) (+ 768614336404564651 (div (+ .cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 5)) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 6)) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 2))) 12))))) (not (= 0 (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 7) .cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6)) 12))))) is different from false [2024-11-09 12:09:22,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:22,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453870219] [2024-11-09 12:09:22,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:22,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294388115] [2024-11-09 12:09:22,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294388115] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:09:22,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:09:22,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 12:09:22,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155098000] [2024-11-09 12:09:22,116 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:22,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 12:09:22,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:22,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 12:09:22,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=100, Unknown=1, NotChecked=20, Total=156 [2024-11-09 12:09:22,118 INFO L87 Difference]: Start difference. First operand 492 states and 539 transitions. Second operand has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:09:22,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:22,846 INFO L93 Difference]: Finished difference Result 502 states and 541 transitions. [2024-11-09 12:09:22,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 12:09:22,847 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 180 [2024-11-09 12:09:22,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:22,850 INFO L225 Difference]: With dead ends: 502 [2024-11-09 12:09:22,850 INFO L226 Difference]: Without dead ends: 498 [2024-11-09 12:09:22,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=50, Invalid=135, Unknown=1, NotChecked=24, Total=210 [2024-11-09 12:09:22,852 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 82 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:22,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 477 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 12:09:22,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-09 12:09:22,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 492. [2024-11-09 12:09:22,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 440 states have (on average 1.1795454545454545) internal successors, (519), 480 states have internal predecessors, (519), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:09:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 535 transitions. [2024-11-09 12:09:22,897 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 535 transitions. Word has length 180 [2024-11-09 12:09:22,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:22,897 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 535 transitions. [2024-11-09 12:09:22,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:09:22,898 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 535 transitions. [2024-11-09 12:09:22,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-09 12:09:22,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:22,900 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 12:09:22,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 12:09:23,103 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,SelfDestructingSolverStorable20 [2024-11-09 12:09:23,104 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:23,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:23,105 INFO L85 PathProgramCache]: Analyzing trace with hash -214865008, now seen corresponding path program 1 times [2024-11-09 12:09:23,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:23,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870620652] [2024-11-09 12:09:23,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:23,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:23,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733655505] [2024-11-09 12:09:23,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:23,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:23,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:23,139 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) [2024-11-09 12:09:23,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 12:09:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:23,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:09:23,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:23,420 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:09:23,420 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:23,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:23,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870620652] [2024-11-09 12:09:23,480 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:23,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733655505] [2024-11-09 12:09:23,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733655505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:09:23,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:09:23,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 12:09:23,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526758626] [2024-11-09 12:09:23,480 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:23,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:09:23,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:23,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:09:23,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:09:23,482 INFO L87 Difference]: Start difference. First operand 492 states and 535 transitions. Second operand has 6 states, 5 states have (on average 36.8) internal successors, (184), 6 states have internal predecessors, (184), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:09:24,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:24,068 INFO L93 Difference]: Finished difference Result 555 states and 602 transitions. [2024-11-09 12:09:24,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:09:24,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 36.8) internal successors, (184), 6 states have internal predecessors, (184), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 196 [2024-11-09 12:09:24,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:24,071 INFO L225 Difference]: With dead ends: 555 [2024-11-09 12:09:24,071 INFO L226 Difference]: Without dead ends: 543 [2024-11-09 12:09:24,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:09:24,072 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 147 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:24,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 124 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:09:24,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-09 12:09:24,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 522. [2024-11-09 12:09:24,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 470 states have (on average 1.1680851063829787) internal successors, (549), 510 states have internal predecessors, (549), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:09:24,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 565 transitions. [2024-11-09 12:09:24,094 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 565 transitions. Word has length 196 [2024-11-09 12:09:24,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:24,094 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 565 transitions. [2024-11-09 12:09:24,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 36.8) internal successors, (184), 6 states have internal predecessors, (184), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:09:24,095 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 565 transitions. [2024-11-09 12:09:24,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-09 12:09:24,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:24,096 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 12:09:24,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 12:09:24,300 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,SelfDestructingSolverStorable21 [2024-11-09 12:09:24,301 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:24,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:24,302 INFO L85 PathProgramCache]: Analyzing trace with hash -326837326, now seen corresponding path program 1 times [2024-11-09 12:09:24,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:24,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122245585] [2024-11-09 12:09:24,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:24,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:24,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1916262928] [2024-11-09 12:09:24,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:24,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:24,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:24,335 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) [2024-11-09 12:09:24,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 12:09:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:24,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:09:24,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:24,621 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:09:24,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:25,126 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:09:25,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:25,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122245585] [2024-11-09 12:09:25,126 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:25,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916262928] [2024-11-09 12:09:25,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916262928] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:09:25,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:09:25,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 12:09:25,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768575739] [2024-11-09 12:09:25,127 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:25,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:09:25,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:25,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:09:25,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:09:25,129 INFO L87 Difference]: Start difference. First operand 522 states and 565 transitions. Second operand has 10 states, 9 states have (on average 40.666666666666664) internal successors, (366), 10 states have internal predecessors, (366), 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) [2024-11-09 12:09:25,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:25,975 INFO L93 Difference]: Finished difference Result 565 states and 601 transitions. [2024-11-09 12:09:25,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:09:25,976 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 40.666666666666664) internal successors, (366), 10 states have internal predecessors, (366), 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) Word has length 198 [2024-11-09 12:09:25,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:25,981 INFO L225 Difference]: With dead ends: 565 [2024-11-09 12:09:25,981 INFO L226 Difference]: Without dead ends: 537 [2024-11-09 12:09:25,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:09:25,982 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 645 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:25,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 274 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 12:09:25,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-09 12:09:26,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 515. [2024-11-09 12:09:26,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 477 states have (on average 1.0859538784067087) internal successors, (518), 503 states have internal predecessors, (518), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:09:26,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 534 transitions. [2024-11-09 12:09:26,021 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 534 transitions. Word has length 198 [2024-11-09 12:09:26,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:26,021 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 534 transitions. [2024-11-09 12:09:26,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 40.666666666666664) internal successors, (366), 10 states have internal predecessors, (366), 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) [2024-11-09 12:09:26,022 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 534 transitions. [2024-11-09 12:09:26,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-09 12:09:26,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:26,023 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:26,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 12:09:26,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:26,225 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:26,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:26,225 INFO L85 PathProgramCache]: Analyzing trace with hash 270376702, now seen corresponding path program 2 times [2024-11-09 12:09:26,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:26,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098827039] [2024-11-09 12:09:26,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:26,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:26,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [544586749] [2024-11-09 12:09:26,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:09:26,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:26,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:26,264 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) [2024-11-09 12:09:26,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 12:09:26,322 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 12:09:26,322 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:09:26,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 12:09:26,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:27,284 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-09 12:09:27,285 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:09:27,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:27,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098827039] [2024-11-09 12:09:27,285 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:27,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544586749] [2024-11-09 12:09:27,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544586749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:09:27,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:09:27,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:09:27,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179824861] [2024-11-09 12:09:27,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:09:27,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:09:27,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:27,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:09:27,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:09:27,286 INFO L87 Difference]: Start difference. First operand 515 states and 534 transitions. Second operand has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:09:27,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:27,681 INFO L93 Difference]: Finished difference Result 518 states and 534 transitions. [2024-11-09 12:09:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:09:27,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 237 [2024-11-09 12:09:27,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:27,683 INFO L225 Difference]: With dead ends: 518 [2024-11-09 12:09:27,684 INFO L226 Difference]: Without dead ends: 457 [2024-11-09 12:09:27,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:09:27,684 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 47 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:27,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 95 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:09:27,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-09 12:09:27,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 426. [2024-11-09 12:09:27,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 399 states have (on average 1.055137844611529) internal successors, (421), 416 states have internal predecessors, (421), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:09:27,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 431 transitions. [2024-11-09 12:09:27,720 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 431 transitions. Word has length 237 [2024-11-09 12:09:27,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:27,721 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 431 transitions. [2024-11-09 12:09:27,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:09:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 431 transitions. [2024-11-09 12:09:27,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-11-09 12:09:27,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:27,722 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2024-11-09 12:09:27,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 12:09:27,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:27,924 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:27,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:27,924 INFO L85 PathProgramCache]: Analyzing trace with hash -542675803, now seen corresponding path program 2 times [2024-11-09 12:09:27,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:27,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652975230] [2024-11-09 12:09:27,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:27,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:27,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1078808442] [2024-11-09 12:09:27,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:09:27,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:27,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:27,980 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) [2024-11-09 12:09:27,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 12:09:28,064 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:09:28,064 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:09:28,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 12:09:28,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:28,745 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:09:28,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:29,258 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:09:29,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:29,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652975230] [2024-11-09 12:09:29,259 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:29,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078808442] [2024-11-09 12:09:29,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078808442] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:09:29,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:09:29,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-09 12:09:29,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19862839] [2024-11-09 12:09:29,260 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:29,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 12:09:29,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:29,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 12:09:29,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:09:29,261 INFO L87 Difference]: Start difference. First operand 426 states and 431 transitions. Second operand has 16 states, 15 states have (on average 30.8) internal successors, (462), 16 states have internal predecessors, (462), 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) [2024-11-09 12:09:31,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:31,602 INFO L93 Difference]: Finished difference Result 774 states and 819 transitions. [2024-11-09 12:09:31,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:09:31,603 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 30.8) internal successors, (462), 16 states have internal predecessors, (462), 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) Word has length 246 [2024-11-09 12:09:31,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:31,605 INFO L225 Difference]: With dead ends: 774 [2024-11-09 12:09:31,605 INFO L226 Difference]: Without dead ends: 712 [2024-11-09 12:09:31,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2024-11-09 12:09:31,611 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 566 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 2566 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 2588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:31,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 472 Invalid, 2588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2566 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-09 12:09:31,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-09 12:09:31,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 602. [2024-11-09 12:09:31,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 575 states have (on average 1.085217391304348) internal successors, (624), 590 states have internal predecessors, (624), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:09:31,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 638 transitions. [2024-11-09 12:09:31,640 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 638 transitions. Word has length 246 [2024-11-09 12:09:31,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:31,641 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 638 transitions. [2024-11-09 12:09:31,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 30.8) internal successors, (462), 16 states have internal predecessors, (462), 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) [2024-11-09 12:09:31,642 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 638 transitions. [2024-11-09 12:09:31,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-09 12:09:31,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:31,643 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:31,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 12:09:31,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-09 12:09:31,844 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:31,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:31,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1726250411, now seen corresponding path program 1 times [2024-11-09 12:09:31,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:31,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371376588] [2024-11-09 12:09:31,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:31,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:32,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:09:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:32,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 12:09:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:32,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-09 12:09:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:32,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-09 12:09:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:32,253 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:09:32,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:32,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371376588] [2024-11-09 12:09:32,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371376588] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:09:32,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174261540] [2024-11-09 12:09:32,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:32,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:32,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:32,256 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) [2024-11-09 12:09:32,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 12:09:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:32,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:09:32,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:32,646 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:32,646 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:09:33,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174261540] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:09:33,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:09:33,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-09 12:09:33,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527259490] [2024-11-09 12:09:33,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:33,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 12:09:33,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:33,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 12:09:33,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-09 12:09:33,014 INFO L87 Difference]: Start difference. First operand 602 states and 638 transitions. Second operand has 22 states, 22 states have (on average 23.90909090909091) internal successors, (526), 22 states have internal predecessors, (526), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-09 12:09:33,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:33,337 INFO L93 Difference]: Finished difference Result 1087 states and 1100 transitions. [2024-11-09 12:09:33,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 12:09:33,337 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 23.90909090909091) internal successors, (526), 22 states have internal predecessors, (526), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 279 [2024-11-09 12:09:33,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:33,341 INFO L225 Difference]: With dead ends: 1087 [2024-11-09 12:09:33,341 INFO L226 Difference]: Without dead ends: 1003 [2024-11-09 12:09:33,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 555 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=549, Invalid=1091, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 12:09:33,343 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 480 mSDsluCounter, 1282 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:33,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 1405 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:09:33,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2024-11-09 12:09:33,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 761. [2024-11-09 12:09:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 725 states have (on average 1.0910344827586207) internal successors, (791), 740 states have internal predecessors, (791), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:09:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 811 transitions. [2024-11-09 12:09:33,371 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 811 transitions. Word has length 279 [2024-11-09 12:09:33,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:33,372 INFO L471 AbstractCegarLoop]: Abstraction has 761 states and 811 transitions. [2024-11-09 12:09:33,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 23.90909090909091) internal successors, (526), 22 states have internal predecessors, (526), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-09 12:09:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 811 transitions. [2024-11-09 12:09:33,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-09 12:09:33,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:33,373 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-09 12:09:33,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 12:09:33,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 12:09:33,574 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:33,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:33,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1833990918, now seen corresponding path program 1 times [2024-11-09 12:09:33,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:33,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668734562] [2024-11-09 12:09:33,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:33,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:33,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1210908859] [2024-11-09 12:09:33,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:33,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:33,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:33,624 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) [2024-11-09 12:09:33,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 12:09:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:33,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:09:33,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:34,103 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:09:34,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:34,712 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:09:34,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:34,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668734562] [2024-11-09 12:09:34,712 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:34,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210908859] [2024-11-09 12:09:34,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210908859] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:09:34,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:09:34,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 12:09:34,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167198812] [2024-11-09 12:09:34,713 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:34,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 12:09:34,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:34,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 12:09:34,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:09:34,715 INFO L87 Difference]: Start difference. First operand 761 states and 811 transitions. Second operand has 12 states, 11 states have (on average 47.09090909090909) internal successors, (518), 12 states have internal predecessors, (518), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:09:35,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:35,400 INFO L93 Difference]: Finished difference Result 807 states and 850 transitions. [2024-11-09 12:09:35,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 12:09:35,401 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 47.09090909090909) internal successors, (518), 12 states have internal predecessors, (518), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 279 [2024-11-09 12:09:35,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:35,404 INFO L225 Difference]: With dead ends: 807 [2024-11-09 12:09:35,404 INFO L226 Difference]: Without dead ends: 760 [2024-11-09 12:09:35,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-09 12:09:35,405 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 500 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 1594 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:35,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 338 Invalid, 1606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1594 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:09:35,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2024-11-09 12:09:35,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 759. [2024-11-09 12:09:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 725 states have (on average 1.0731034482758621) internal successors, (778), 738 states have internal predecessors, (778), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:09:35,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 798 transitions. [2024-11-09 12:09:35,437 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 798 transitions. Word has length 279 [2024-11-09 12:09:35,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:35,438 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 798 transitions. [2024-11-09 12:09:35,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 47.09090909090909) internal successors, (518), 12 states have internal predecessors, (518), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:09:35,438 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 798 transitions. [2024-11-09 12:09:35,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-09 12:09:35,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:35,440 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-09 12:09:35,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 12:09:35,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 12:09:35,640 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:35,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:35,641 INFO L85 PathProgramCache]: Analyzing trace with hash -294799946, now seen corresponding path program 2 times [2024-11-09 12:09:35,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:35,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268012960] [2024-11-09 12:09:35,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:35,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:35,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:09:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:35,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 12:09:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:35,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-09 12:09:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:35,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-09 12:09:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:35,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-09 12:09:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:35,777 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2024-11-09 12:09:35,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:35,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268012960] [2024-11-09 12:09:35,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268012960] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:09:35,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114071271] [2024-11-09 12:09:35,777 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:09:35,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:35,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:35,782 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) [2024-11-09 12:09:35,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 12:09:35,852 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 12:09:35,852 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:09:35,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:09:35,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:36,103 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2024-11-09 12:09:36,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:36,389 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2024-11-09 12:09:36,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114071271] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:09:36,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:09:36,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-09 12:09:36,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116625117] [2024-11-09 12:09:36,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:36,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:09:36,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:36,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:09:36,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:09:36,392 INFO L87 Difference]: Start difference. First operand 759 states and 798 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:09:36,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:36,430 INFO L93 Difference]: Finished difference Result 762 states and 798 transitions. [2024-11-09 12:09:36,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:09:36,430 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 322 [2024-11-09 12:09:36,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:36,432 INFO L225 Difference]: With dead ends: 762 [2024-11-09 12:09:36,432 INFO L226 Difference]: Without dead ends: 761 [2024-11-09 12:09:36,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:09:36,433 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 311 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:36,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 320 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:09:36,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-11-09 12:09:36,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 758. [2024-11-09 12:09:36,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 725 states have (on average 1.0648275862068965) internal successors, (772), 737 states have internal predecessors, (772), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:09:36,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 792 transitions. [2024-11-09 12:09:36,460 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 792 transitions. Word has length 322 [2024-11-09 12:09:36,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:36,460 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 792 transitions. [2024-11-09 12:09:36,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:09:36,461 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 792 transitions. [2024-11-09 12:09:36,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-09 12:09:36,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:36,462 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-09 12:09:36,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-09 12:09:36,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:36,667 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:36,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:36,667 INFO L85 PathProgramCache]: Analyzing trace with hash -332290208, now seen corresponding path program 1 times [2024-11-09 12:09:36,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:36,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71873234] [2024-11-09 12:09:36,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:36,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:36,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1674785247] [2024-11-09 12:09:36,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:36,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:36,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:36,703 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) [2024-11-09 12:09:36,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 12:09:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:36,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 12:09:36,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:37,076 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 612 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:09:37,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:37,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:37,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71873234] [2024-11-09 12:09:37,149 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:37,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674785247] [2024-11-09 12:09:37,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674785247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:09:37,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:09:37,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 12:09:37,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386264543] [2024-11-09 12:09:37,149 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:37,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:09:37,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:37,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:09:37,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:09:37,150 INFO L87 Difference]: Start difference. First operand 758 states and 792 transitions. Second operand has 8 states, 7 states have (on average 44.285714285714285) internal successors, (310), 8 states have internal predecessors, (310), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:09:37,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:37,534 INFO L93 Difference]: Finished difference Result 797 states and 831 transitions. [2024-11-09 12:09:37,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:09:37,535 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 44.285714285714285) internal successors, (310), 8 states have internal predecessors, (310), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 332 [2024-11-09 12:09:37,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:37,537 INFO L225 Difference]: With dead ends: 797 [2024-11-09 12:09:37,537 INFO L226 Difference]: Without dead ends: 795 [2024-11-09 12:09:37,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:09:37,538 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 90 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:37,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 106 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:09:37,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-09 12:09:37,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 758. [2024-11-09 12:09:37,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 725 states have (on average 1.0620689655172413) internal successors, (770), 737 states have internal predecessors, (770), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:09:37,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 790 transitions. [2024-11-09 12:09:37,561 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 790 transitions. Word has length 332 [2024-11-09 12:09:37,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:37,561 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 790 transitions. [2024-11-09 12:09:37,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 44.285714285714285) internal successors, (310), 8 states have internal predecessors, (310), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:09:37,562 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 790 transitions. [2024-11-09 12:09:37,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-09 12:09:37,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:37,563 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1] [2024-11-09 12:09:37,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-09 12:09:37,767 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,SelfDestructingSolverStorable28 [2024-11-09 12:09:37,768 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:37,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:37,769 INFO L85 PathProgramCache]: Analyzing trace with hash -957365000, now seen corresponding path program 1 times [2024-11-09 12:09:37,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:37,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017531956] [2024-11-09 12:09:37,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:37,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:37,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1949590382] [2024-11-09 12:09:37,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:37,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:37,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:37,835 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) [2024-11-09 12:09:37,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 12:09:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:37,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 12:09:37,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 695 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:09:38,388 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 695 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:09:39,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:39,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017531956] [2024-11-09 12:09:39,768 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:39,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1949590382] [2024-11-09 12:09:39,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1949590382] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:09:39,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:09:39,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-09 12:09:39,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914433893] [2024-11-09 12:09:39,772 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:39,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 12:09:39,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:39,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 12:09:39,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-09 12:09:39,774 INFO L87 Difference]: Start difference. First operand 758 states and 790 transitions. Second operand has 14 states, 13 states have (on average 49.84615384615385) internal successors, (648), 14 states have internal predecessors, (648), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:09:41,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:41,933 INFO L93 Difference]: Finished difference Result 1056 states and 1109 transitions. [2024-11-09 12:09:41,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:09:41,934 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 49.84615384615385) internal successors, (648), 14 states have internal predecessors, (648), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 349 [2024-11-09 12:09:41,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:41,937 INFO L225 Difference]: With dead ends: 1056 [2024-11-09 12:09:41,937 INFO L226 Difference]: Without dead ends: 823 [2024-11-09 12:09:41,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2024-11-09 12:09:41,942 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 1101 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 2541 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 2541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:41,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1102 Valid, 485 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 2541 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-09 12:09:41,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2024-11-09 12:09:42,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 820. [2024-11-09 12:09:42,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 795 states have (on average 1.010062893081761) internal successors, (803), 798 states have internal predecessors, (803), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 12:09:42,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 825 transitions. [2024-11-09 12:09:42,024 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 825 transitions. Word has length 349 [2024-11-09 12:09:42,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:42,025 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 825 transitions. [2024-11-09 12:09:42,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 49.84615384615385) internal successors, (648), 14 states have internal predecessors, (648), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:09:42,025 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 825 transitions. [2024-11-09 12:09:42,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2024-11-09 12:09:42,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:42,034 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1] [2024-11-09 12:09:42,071 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-09 12:09:42,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:42,237 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:42,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:42,238 INFO L85 PathProgramCache]: Analyzing trace with hash -519466051, now seen corresponding path program 3 times [2024-11-09 12:09:42,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:42,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580061317] [2024-11-09 12:09:42,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:42,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:42,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [423173245] [2024-11-09 12:09:42,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:09:42,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:42,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:42,300 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) [2024-11-09 12:09:42,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 12:09:42,420 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 12:09:42,421 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:09:42,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 12:09:42,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:50,582 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (and (= 0 (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 7) .cse0 .cse1) 12)) (<= (+ |c_ULTIMATE.start_main_~x~0#1| (div (+ .cse0 .cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 5)) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 2))) 12)) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)))) is different from true