./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.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 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 18:58:10,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 18:58:10,195 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 18:58:10,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 18:58:10,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 18:58:10,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 18:58:10,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 18:58:10,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 18:58:10,223 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 18:58:10,224 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 18:58:10,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 18:58:10,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 18:58:10,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 18:58:10,225 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 18:58:10,225 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 18:58:10,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 18:58:10,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 18:58:10,227 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 18:58:10,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 18:58:10,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 18:58:10,228 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 18:58:10,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 18:58:10,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 18:58:10,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 18:58:10,231 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 18:58:10,231 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 18:58:10,231 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 18:58:10,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 18:58:10,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 18:58:10,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 18:58:10,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 18:58:10,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 18:58:10,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 18:58:10,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 18:58:10,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:58:10,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 18:58:10,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 18:58:10,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 18:58:10,233 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 18:58:10,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 18:58:10,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 18:58:10,235 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 18:58:10,235 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 18:58:10,235 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 18:58:10,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 [2024-11-20 18:58:10,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 18:58:10,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 18:58:10,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 18:58:10,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 18:58:10,447 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 18:58:10,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-11-20 18:58:11,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 18:58:11,775 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 18:58:11,775 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2024-11-20 18:58:11,780 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27ab5b57c/c5049e6f798a429b87123269fea2dfcd/FLAG4a7febe06 [2024-11-20 18:58:11,790 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27ab5b57c/c5049e6f798a429b87123269fea2dfcd [2024-11-20 18:58:11,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 18:58:11,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 18:58:11,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 18:58:11,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 18:58:11,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 18:58:11,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:58:11" (1/1) ... [2024-11-20 18:58:11,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e84cb64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11, skipping insertion in model container [2024-11-20 18:58:11,799 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:58:11" (1/1) ... [2024-11-20 18:58:11,815 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 18:58:11,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:58:11,953 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 18:58:11,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 18:58:11,977 INFO L204 MainTranslator]: Completed translation [2024-11-20 18:58:11,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11 WrapperNode [2024-11-20 18:58:11,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 18:58:11,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 18:58:11,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 18:58:11,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 18:58:11,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11" (1/1) ... [2024-11-20 18:58:11,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11" (1/1) ... [2024-11-20 18:58:12,005 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2024-11-20 18:58:12,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 18:58:12,007 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 18:58:12,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 18:58:12,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 18:58:12,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11" (1/1) ... [2024-11-20 18:58:12,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11" (1/1) ... [2024-11-20 18:58:12,016 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11" (1/1) ... [2024-11-20 18:58:12,028 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]. [2024-11-20 18:58:12,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11" (1/1) ... [2024-11-20 18:58:12,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11" (1/1) ... [2024-11-20 18:58:12,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11" (1/1) ... [2024-11-20 18:58:12,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11" (1/1) ... [2024-11-20 18:58:12,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11" (1/1) ... [2024-11-20 18:58:12,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11" (1/1) ... [2024-11-20 18:58:12,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 18:58:12,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 18:58:12,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 18:58:12,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 18:58:12,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11" (1/1) ... [2024-11-20 18:58:12,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 18:58:12,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:12,071 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) [2024-11-20 18:58:12,074 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 [2024-11-20 18:58:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 18:58:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 18:58:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 18:58:12,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 18:58:12,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 18:58:12,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 18:58:12,195 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 18:58:12,196 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 18:58:12,518 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-20 18:58:12,518 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 18:58:12,536 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 18:58:12,536 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 18:58:12,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:58:12 BoogieIcfgContainer [2024-11-20 18:58:12,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 18:58:12,538 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 18:58:12,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 18:58:12,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 18:58:12,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:58:11" (1/3) ... [2024-11-20 18:58:12,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d899ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:58:12, skipping insertion in model container [2024-11-20 18:58:12,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:58:11" (2/3) ... [2024-11-20 18:58:12,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d899ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:58:12, skipping insertion in model container [2024-11-20 18:58:12,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:58:12" (3/3) ... [2024-11-20 18:58:12,545 INFO L112 eAbstractionObserver]: Analyzing ICFG ps4-ll_valuebound100.c [2024-11-20 18:58:12,558 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 18:58:12,558 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2024-11-20 18:58:12,604 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 18:58:12,609 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;@3fb3f939, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 18:58:12,609 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-11-20 18:58:12,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 74 states have (on average 1.8783783783783783) internal successors, (139), 134 states have internal predecessors, (139), 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) [2024-11-20 18:58:12,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:58:12,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:12,618 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:58:12,619 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:12,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:12,623 INFO L85 PathProgramCache]: Analyzing trace with hash 889508915, now seen corresponding path program 1 times [2024-11-20 18:58:12,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:12,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514453595] [2024-11-20 18:58:12,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:12,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:12,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:12,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514453595] [2024-11-20 18:58:12,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514453595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:12,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:12,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:58:12,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615925035] [2024-11-20 18:58:12,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:12,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 18:58:12,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:12,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 18:58:12,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 18:58:12,752 INFO L87 Difference]: Start difference. First operand has 139 states, 74 states have (on average 1.8783783783783783) internal successors, (139), 134 states have internal predecessors, (139), 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) [2024-11-20 18:58:12,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:12,772 INFO L93 Difference]: Finished difference Result 264 states and 288 transitions. [2024-11-20 18:58:12,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 18:58:12,773 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 [2024-11-20 18:58:12,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:12,778 INFO L225 Difference]: With dead ends: 264 [2024-11-20 18:58:12,779 INFO L226 Difference]: Without dead ends: 122 [2024-11-20 18:58:12,781 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 [2024-11-20 18:58:12,784 INFO L432 NwaCegarLoop]: 130 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, 130 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 [2024-11-20 18:58:12,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:58:12,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-20 18:58:12,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-20 18:58:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 69 states have (on average 1.7246376811594204) internal successors, (119), 118 states have internal predecessors, (119), 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) [2024-11-20 18:58:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 123 transitions. [2024-11-20 18:58:12,818 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 123 transitions. Word has length 6 [2024-11-20 18:58:12,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:12,818 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 123 transitions. [2024-11-20 18:58:12,818 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) [2024-11-20 18:58:12,818 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 123 transitions. [2024-11-20 18:58:12,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-20 18:58:12,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:12,819 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 18:58:12,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 18:58:12,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:12,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:12,820 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-11-20 18:58:12,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:12,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018137884] [2024-11-20 18:58:12,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:12,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:12,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:12,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:12,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018137884] [2024-11-20 18:58:12,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018137884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:12,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:12,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:58:12,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474087020] [2024-11-20 18:58:12,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:12,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:58:12,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:12,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:58:12,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:58:12,868 INFO L87 Difference]: Start difference. First operand 122 states and 123 transitions. Second operand has 3 states, 2 states have (on average 3.0) 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) [2024-11-20 18:58:12,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:12,994 INFO L93 Difference]: Finished difference Result 228 states and 239 transitions. [2024-11-20 18:58:12,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:58:12,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) 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 [2024-11-20 18:58:12,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:12,996 INFO L225 Difference]: With dead ends: 228 [2024-11-20 18:58:12,996 INFO L226 Difference]: Without dead ends: 217 [2024-11-20 18:58:12,996 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 [2024-11-20 18:58:12,997 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 92 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:12,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 184 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:58:12,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-20 18:58:13,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 175. [2024-11-20 18:58:13,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 120 states have (on average 1.675) internal successors, (201), 169 states have internal predecessors, (201), 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) [2024-11-20 18:58:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 209 transitions. [2024-11-20 18:58:13,017 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 209 transitions. Word has length 6 [2024-11-20 18:58:13,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:13,017 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 209 transitions. [2024-11-20 18:58:13,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) 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) [2024-11-20 18:58:13,018 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 209 transitions. [2024-11-20 18:58:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 18:58:13,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:13,018 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:13,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 18:58:13,018 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:13,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:13,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1186601808, now seen corresponding path program 1 times [2024-11-20 18:58:13,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:13,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496502874] [2024-11-20 18:58:13,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:13,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:13,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884121908] [2024-11-20 18:58:13,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:13,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:13,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:13,053 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) [2024-11-20 18:58:13,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 18:58:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:13,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 18:58:13,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:13,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:13,114 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:58:13,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:13,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496502874] [2024-11-20 18:58:13,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:13,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884121908] [2024-11-20 18:58:13,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884121908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:13,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:13,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:58:13,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777675432] [2024-11-20 18:58:13,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:13,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:58:13,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:13,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:58:13,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:58:13,117 INFO L87 Difference]: Start difference. First operand 175 states and 209 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) [2024-11-20 18:58:13,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:13,336 INFO L93 Difference]: Finished difference Result 208 states and 217 transitions. [2024-11-20 18:58:13,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:58:13,337 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 [2024-11-20 18:58:13,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:13,338 INFO L225 Difference]: With dead ends: 208 [2024-11-20 18:58:13,339 INFO L226 Difference]: Without dead ends: 181 [2024-11-20 18:58:13,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:58:13,340 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 52 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:13,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 95 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:13,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-20 18:58:13,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 179. [2024-11-20 18:58:13,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 124 states have (on average 1.467741935483871) internal successors, (182), 173 states have internal predecessors, (182), 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) [2024-11-20 18:58:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 190 transitions. [2024-11-20 18:58:13,348 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 190 transitions. Word has length 9 [2024-11-20 18:58:13,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:13,349 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 190 transitions. [2024-11-20 18:58:13,349 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) [2024-11-20 18:58:13,349 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 190 transitions. [2024-11-20 18:58:13,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-20 18:58:13,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:13,349 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:13,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 18:58:13,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:13,554 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:13,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:13,555 INFO L85 PathProgramCache]: Analyzing trace with hash 2083520750, now seen corresponding path program 1 times [2024-11-20 18:58:13,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:13,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978157249] [2024-11-20 18:58:13,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:13,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:13,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:13,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:13,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978157249] [2024-11-20 18:58:13,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978157249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:13,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:13,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:58:13,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788026255] [2024-11-20 18:58:13,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:13,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:58:13,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:13,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:58:13,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:58:13,659 INFO L87 Difference]: Start difference. First operand 179 states and 190 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-20 18:58:13,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:13,874 INFO L93 Difference]: Finished difference Result 196 states and 201 transitions. [2024-11-20 18:58:13,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:58:13,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2024-11-20 18:58:13,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:13,876 INFO L225 Difference]: With dead ends: 196 [2024-11-20 18:58:13,876 INFO L226 Difference]: Without dead ends: 162 [2024-11-20 18:58:13,876 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 [2024-11-20 18:58:13,877 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 64 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:13,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 171 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:13,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-20 18:58:13,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 151. [2024-11-20 18:58:13,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 97 states have (on average 1.5360824742268042) internal successors, (149), 146 states have internal predecessors, (149), 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) [2024-11-20 18:58:13,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 155 transitions. [2024-11-20 18:58:13,888 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 155 transitions. Word has length 14 [2024-11-20 18:58:13,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:13,889 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 155 transitions. [2024-11-20 18:58:13,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2024-11-20 18:58:13,889 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 155 transitions. [2024-11-20 18:58:13,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 18:58:13,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:13,890 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] [2024-11-20 18:58:13,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 18:58:13,890 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:13,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:13,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1440892529, now seen corresponding path program 1 times [2024-11-20 18:58:13,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:13,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33554793] [2024-11-20 18:58:13,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:13,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:13,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:58:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:13,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:13,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:13,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33554793] [2024-11-20 18:58:13,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33554793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:13,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:13,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:58:13,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983072134] [2024-11-20 18:58:13,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:13,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:58:13,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:13,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:58:13,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:58:13,968 INFO L87 Difference]: Start difference. First operand 151 states and 155 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-11-20 18:58:13,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:13,984 INFO L93 Difference]: Finished difference Result 153 states and 155 transitions. [2024-11-20 18:58:13,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:58:13,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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 34 [2024-11-20 18:58:13,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:13,985 INFO L225 Difference]: With dead ends: 153 [2024-11-20 18:58:13,985 INFO L226 Difference]: Without dead ends: 151 [2024-11-20 18:58:13,986 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 [2024-11-20 18:58:13,986 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 1 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 235 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 [2024-11-20 18:58:13,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 235 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:58:13,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-20 18:58:13,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-20 18:58:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 97 states have (on average 1.5154639175257731) internal successors, (147), 146 states have internal predecessors, (147), 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) [2024-11-20 18:58:13,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 153 transitions. [2024-11-20 18:58:13,998 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 153 transitions. Word has length 34 [2024-11-20 18:58:13,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:13,999 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 153 transitions. [2024-11-20 18:58:13,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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) [2024-11-20 18:58:13,999 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 153 transitions. [2024-11-20 18:58:14,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-20 18:58:14,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:14,000 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] [2024-11-20 18:58:14,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 18:58:14,001 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:14,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:14,002 INFO L85 PathProgramCache]: Analyzing trace with hash -899602629, now seen corresponding path program 1 times [2024-11-20 18:58:14,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:14,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977591251] [2024-11-20 18:58:14,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:14,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:14,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [12155350] [2024-11-20 18:58:14,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:14,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:14,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:14,028 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) [2024-11-20 18:58:14,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 18:58:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:14,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:58:14,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:14,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:14,134 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:58:14,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:14,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977591251] [2024-11-20 18:58:14,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:14,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12155350] [2024-11-20 18:58:14,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12155350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:14,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:14,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:58:14,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146835493] [2024-11-20 18:58:14,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:14,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:58:14,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:14,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:58:14,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:58:14,135 INFO L87 Difference]: Start difference. First operand 151 states and 153 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-20 18:58:14,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:14,355 INFO L93 Difference]: Finished difference Result 247 states and 269 transitions. [2024-11-20 18:58:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:58:14,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 39 [2024-11-20 18:58:14,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:14,357 INFO L225 Difference]: With dead ends: 247 [2024-11-20 18:58:14,357 INFO L226 Difference]: Without dead ends: 221 [2024-11-20 18:58:14,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:58:14,358 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 66 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:14,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 107 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:14,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-20 18:58:14,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 213. [2024-11-20 18:58:14,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 157 states have (on average 1.464968152866242) internal successors, (230), 206 states have internal predecessors, (230), 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) [2024-11-20 18:58:14,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 240 transitions. [2024-11-20 18:58:14,365 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 240 transitions. Word has length 39 [2024-11-20 18:58:14,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:14,366 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 240 transitions. [2024-11-20 18:58:14,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2024-11-20 18:58:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 240 transitions. [2024-11-20 18:58:14,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-20 18:58:14,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:14,367 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] [2024-11-20 18:58:14,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 18:58:14,570 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,SelfDestructingSolverStorable5 [2024-11-20 18:58:14,570 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:14,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:14,571 INFO L85 PathProgramCache]: Analyzing trace with hash 534117783, now seen corresponding path program 1 times [2024-11-20 18:58:14,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:14,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72568748] [2024-11-20 18:58:14,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:14,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:14,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:58:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:14,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:14,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:14,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72568748] [2024-11-20 18:58:14,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72568748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:14,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:14,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:58:14,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016820806] [2024-11-20 18:58:14,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:14,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:58:14,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:14,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:58:14,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:58:14,659 INFO L87 Difference]: Start difference. First operand 213 states and 240 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (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) [2024-11-20 18:58:14,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:14,854 INFO L93 Difference]: Finished difference Result 214 states and 240 transitions. [2024-11-20 18:58:14,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:58:14,855 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (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 42 [2024-11-20 18:58:14,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:14,856 INFO L225 Difference]: With dead ends: 214 [2024-11-20 18:58:14,856 INFO L226 Difference]: Without dead ends: 213 [2024-11-20 18:58:14,856 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 [2024-11-20 18:58:14,857 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 30 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:14,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 194 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:14,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-20 18:58:14,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-20 18:58:14,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 157 states have (on average 1.4585987261146496) internal successors, (229), 206 states have internal predecessors, (229), 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) [2024-11-20 18:58:14,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 239 transitions. [2024-11-20 18:58:14,862 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 239 transitions. Word has length 42 [2024-11-20 18:58:14,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:14,863 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 239 transitions. [2024-11-20 18:58:14,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (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) [2024-11-20 18:58:14,863 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 239 transitions. [2024-11-20 18:58:14,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-20 18:58:14,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:14,864 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] [2024-11-20 18:58:14,864 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 18:58:14,864 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:14,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:14,864 INFO L85 PathProgramCache]: Analyzing trace with hash -622217793, now seen corresponding path program 1 times [2024-11-20 18:58:14,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:14,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600383308] [2024-11-20 18:58:14,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:14,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:14,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:58:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:14,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:14,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:14,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600383308] [2024-11-20 18:58:14,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600383308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:14,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:14,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 18:58:14,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728250463] [2024-11-20 18:58:14,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:14,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 18:58:14,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:14,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 18:58:14,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 18:58:14,925 INFO L87 Difference]: Start difference. First operand 213 states and 239 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-11-20 18:58:14,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:14,983 INFO L93 Difference]: Finished difference Result 214 states and 239 transitions. [2024-11-20 18:58:14,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 18:58:14,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 43 [2024-11-20 18:58:14,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:14,985 INFO L225 Difference]: With dead ends: 214 [2024-11-20 18:58:14,985 INFO L226 Difference]: Without dead ends: 213 [2024-11-20 18:58:14,985 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 [2024-11-20 18:58:14,985 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 27 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:14,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 183 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:58:14,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-20 18:58:14,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-20 18:58:14,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 157 states have (on average 1.4522292993630572) internal successors, (228), 206 states have internal predecessors, (228), 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) [2024-11-20 18:58:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 238 transitions. [2024-11-20 18:58:14,990 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 238 transitions. Word has length 43 [2024-11-20 18:58:14,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:14,991 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 238 transitions. [2024-11-20 18:58:14,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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) [2024-11-20 18:58:14,991 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 238 transitions. [2024-11-20 18:58:14,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-20 18:58:14,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:14,992 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:14,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 18:58:14,992 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:14,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:14,993 INFO L85 PathProgramCache]: Analyzing trace with hash -950843391, now seen corresponding path program 1 times [2024-11-20 18:58:14,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:14,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088097695] [2024-11-20 18:58:14,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:14,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:15,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [495686319] [2024-11-20 18:58:15,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:15,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:15,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:15,009 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) [2024-11-20 18:58:15,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 18:58:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:15,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:58:15,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:15,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:15,208 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:15,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:15,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088097695] [2024-11-20 18:58:15,306 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:15,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [495686319] [2024-11-20 18:58:15,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [495686319] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:15,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:58:15,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-20 18:58:15,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099520816] [2024-11-20 18:58:15,307 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:15,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:58:15,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:15,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:58:15,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:58:15,308 INFO L87 Difference]: Start difference. First operand 213 states and 238 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 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) [2024-11-20 18:58:15,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:15,778 INFO L93 Difference]: Finished difference Result 238 states and 252 transitions. [2024-11-20 18:58:15,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 18:58:15,779 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 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 45 [2024-11-20 18:58:15,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:15,782 INFO L225 Difference]: With dead ends: 238 [2024-11-20 18:58:15,782 INFO L226 Difference]: Without dead ends: 225 [2024-11-20 18:58:15,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-20 18:58:15,783 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 277 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:15,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 88 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 18:58:15,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-20 18:58:15,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 214. [2024-11-20 18:58:15,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 161 states have (on average 1.3726708074534162) internal successors, (221), 207 states have internal predecessors, (221), 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) [2024-11-20 18:58:15,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 231 transitions. [2024-11-20 18:58:15,790 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 231 transitions. Word has length 45 [2024-11-20 18:58:15,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:15,791 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 231 transitions. [2024-11-20 18:58:15,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 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) [2024-11-20 18:58:15,791 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 231 transitions. [2024-11-20 18:58:15,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-20 18:58:15,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:15,792 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:15,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-20 18:58:15,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:15,992 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:15,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:15,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1023033609, now seen corresponding path program 1 times [2024-11-20 18:58:15,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:15,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063518151] [2024-11-20 18:58:15,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:15,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:16,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1065028831] [2024-11-20 18:58:16,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:16,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:16,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:16,023 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) [2024-11-20 18:58:16,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 18:58:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:16,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 18:58:16,053 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:16,215 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 18:58:16,215 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:58:16,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:16,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063518151] [2024-11-20 18:58:16,215 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:16,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065028831] [2024-11-20 18:58:16,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065028831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:16,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:16,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 18:58:16,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275579204] [2024-11-20 18:58:16,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:16,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:58:16,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:16,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:58:16,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:58:16,216 INFO L87 Difference]: Start difference. First operand 214 states and 231 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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) [2024-11-20 18:58:16,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:16,384 INFO L93 Difference]: Finished difference Result 214 states and 231 transitions. [2024-11-20 18:58:16,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:58:16,385 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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 53 [2024-11-20 18:58:16,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:16,386 INFO L225 Difference]: With dead ends: 214 [2024-11-20 18:58:16,386 INFO L226 Difference]: Without dead ends: 165 [2024-11-20 18:58:16,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 18:58:16,387 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 96 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:16,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 57 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:16,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-20 18:58:16,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 158. [2024-11-20 18:58:16,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 133 states have (on average 1.1804511278195489) internal successors, (157), 152 states have internal predecessors, (157), 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) [2024-11-20 18:58:16,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 165 transitions. [2024-11-20 18:58:16,394 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 165 transitions. Word has length 53 [2024-11-20 18:58:16,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:16,395 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 165 transitions. [2024-11-20 18:58:16,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 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) [2024-11-20 18:58:16,396 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 165 transitions. [2024-11-20 18:58:16,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-20 18:58:16,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:16,396 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:16,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-20 18:58:16,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:16,597 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:16,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:16,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1284907517, now seen corresponding path program 1 times [2024-11-20 18:58:16,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:16,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384014259] [2024-11-20 18:58:16,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:16,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:16,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [529437274] [2024-11-20 18:58:16,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:16,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:16,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:16,620 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) [2024-11-20 18:58:16,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 18:58:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:16,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 18:58:16,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:16,824 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:16,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:16,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384014259] [2024-11-20 18:58:16,993 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:16,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529437274] [2024-11-20 18:58:16,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529437274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:58:16,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:58:16,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-20 18:58:16,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883699072] [2024-11-20 18:58:16,994 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:16,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:58:16,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:16,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:58:16,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:58:16,995 INFO L87 Difference]: Start difference. First operand 158 states and 165 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-20 18:58:17,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:17,144 INFO L93 Difference]: Finished difference Result 158 states and 165 transitions. [2024-11-20 18:58:17,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:58:17,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 73 [2024-11-20 18:58:17,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:17,146 INFO L225 Difference]: With dead ends: 158 [2024-11-20 18:58:17,146 INFO L226 Difference]: Without dead ends: 156 [2024-11-20 18:58:17,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:58:17,146 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 44 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:17,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 56 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:58:17,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-20 18:58:17,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-20 18:58:17,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 133 states have (on average 1.1578947368421053) internal successors, (154), 150 states have internal predecessors, (154), 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) [2024-11-20 18:58:17,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 162 transitions. [2024-11-20 18:58:17,151 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 162 transitions. Word has length 73 [2024-11-20 18:58:17,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:17,152 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 162 transitions. [2024-11-20 18:58:17,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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) [2024-11-20 18:58:17,152 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 162 transitions. [2024-11-20 18:58:17,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-20 18:58:17,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:17,156 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:17,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-20 18:58:17,360 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,SelfDestructingSolverStorable10 [2024-11-20 18:58:17,361 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:17,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:17,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1177427238, now seen corresponding path program 1 times [2024-11-20 18:58:17,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:17,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464302032] [2024-11-20 18:58:17,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:17,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:17,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1240510411] [2024-11-20 18:58:17,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:17,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:17,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:17,385 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) [2024-11-20 18:58:17,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 18:58:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:17,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:58:17,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:17,586 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:17,586 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:17,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:17,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464302032] [2024-11-20 18:58:17,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:17,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240510411] [2024-11-20 18:58:17,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240510411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:58:17,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:58:17,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-20 18:58:17,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412816609] [2024-11-20 18:58:17,662 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:17,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 18:58:17,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:17,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 18:58:17,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:58:17,663 INFO L87 Difference]: Start difference. First operand 156 states and 162 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-20 18:58:17,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:17,836 INFO L93 Difference]: Finished difference Result 161 states and 165 transitions. [2024-11-20 18:58:17,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:58:17,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 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 74 [2024-11-20 18:58:17,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:17,837 INFO L225 Difference]: With dead ends: 161 [2024-11-20 18:58:17,837 INFO L226 Difference]: Without dead ends: 157 [2024-11-20 18:58:17,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:58:17,837 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 6 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:17,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 110 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:17,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-20 18:58:17,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2024-11-20 18:58:17,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 134 states have (on average 1.1417910447761195) internal successors, (153), 151 states have internal predecessors, (153), 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) [2024-11-20 18:58:17,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 161 transitions. [2024-11-20 18:58:17,844 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 161 transitions. Word has length 74 [2024-11-20 18:58:17,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:17,844 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 161 transitions. [2024-11-20 18:58:17,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 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) [2024-11-20 18:58:17,844 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 161 transitions. [2024-11-20 18:58:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-20 18:58:17,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:17,846 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:17,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 18:58:18,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:18,047 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:18,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:18,048 INFO L85 PathProgramCache]: Analyzing trace with hash 263185351, now seen corresponding path program 1 times [2024-11-20 18:58:18,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:18,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802711857] [2024-11-20 18:58:18,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:18,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:18,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1047441971] [2024-11-20 18:58:18,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:18,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:18,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:18,078 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) [2024-11-20 18:58:18,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 18:58:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:18,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-20 18:58:18,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:18,262 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:18,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:18,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:18,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802711857] [2024-11-20 18:58:18,367 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:18,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047441971] [2024-11-20 18:58:18,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047441971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:58:18,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:58:18,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-20 18:58:18,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91228201] [2024-11-20 18:58:18,367 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:18,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:58:18,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:18,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:58:18,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:58:18,368 INFO L87 Difference]: Start difference. First operand 157 states and 161 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-11-20 18:58:18,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:18,546 INFO L93 Difference]: Finished difference Result 160 states and 163 transitions. [2024-11-20 18:58:18,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 18:58:18,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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 77 [2024-11-20 18:58:18,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:18,547 INFO L225 Difference]: With dead ends: 160 [2024-11-20 18:58:18,548 INFO L226 Difference]: Without dead ends: 154 [2024-11-20 18:58:18,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-20 18:58:18,548 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 6 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:18,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 117 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:18,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-20 18:58:18,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 152. [2024-11-20 18:58:18,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 129 states have (on average 1.1395348837209303) internal successors, (147), 146 states have internal predecessors, (147), 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) [2024-11-20 18:58:18,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 155 transitions. [2024-11-20 18:58:18,554 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 155 transitions. Word has length 77 [2024-11-20 18:58:18,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:18,554 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 155 transitions. [2024-11-20 18:58:18,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-11-20 18:58:18,555 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 155 transitions. [2024-11-20 18:58:18,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-20 18:58:18,555 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:18,555 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:18,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-20 18:58:18,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:18,756 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:18,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:18,756 INFO L85 PathProgramCache]: Analyzing trace with hash 663399296, now seen corresponding path program 1 times [2024-11-20 18:58:18,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:18,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526588892] [2024-11-20 18:58:18,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:18,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:18,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [305836243] [2024-11-20 18:58:18,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:18,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:18,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:18,772 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) [2024-11-20 18:58:18,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 18:58:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:18,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:58:18,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:18,876 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:18,877 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:18,992 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:18,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:18,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526588892] [2024-11-20 18:58:18,992 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:18,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305836243] [2024-11-20 18:58:18,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305836243] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:18,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:58:18,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-20 18:58:18,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667817211] [2024-11-20 18:58:18,993 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:18,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 18:58:18,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:18,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 18:58:18,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-20 18:58:18,994 INFO L87 Difference]: Start difference. First operand 152 states and 155 transitions. Second operand has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 8 states have internal predecessors, (136), 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) [2024-11-20 18:58:19,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:19,239 INFO L93 Difference]: Finished difference Result 228 states and 247 transitions. [2024-11-20 18:58:19,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 18:58:19,239 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 8 states have internal predecessors, (136), 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 78 [2024-11-20 18:58:19,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:19,240 INFO L225 Difference]: With dead ends: 228 [2024-11-20 18:58:19,240 INFO L226 Difference]: Without dead ends: 223 [2024-11-20 18:58:19,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:58:19,241 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 296 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:19,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 120 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:19,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-20 18:58:19,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 167. [2024-11-20 18:58:19,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 146 states have (on average 1.1232876712328768) internal successors, (164), 161 states have internal predecessors, (164), 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) [2024-11-20 18:58:19,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 172 transitions. [2024-11-20 18:58:19,246 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 172 transitions. Word has length 78 [2024-11-20 18:58:19,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:19,246 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 172 transitions. [2024-11-20 18:58:19,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.428571428571427) internal successors, (136), 8 states have internal predecessors, (136), 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) [2024-11-20 18:58:19,247 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 172 transitions. [2024-11-20 18:58:19,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-20 18:58:19,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:19,247 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, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:19,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-20 18:58:19,451 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,SelfDestructingSolverStorable13 [2024-11-20 18:58:19,451 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:19,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:19,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1015181436, now seen corresponding path program 1 times [2024-11-20 18:58:19,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:19,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989698421] [2024-11-20 18:58:19,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:19,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:19,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2144400362] [2024-11-20 18:58:19,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:19,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:19,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:19,465 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) [2024-11-20 18:58:19,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 18:58:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:19,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-20 18:58:19,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:19,681 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 18:58:19,681 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:20,184 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 18:58:20,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:20,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989698421] [2024-11-20 18:58:20,184 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:20,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144400362] [2024-11-20 18:58:20,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144400362] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:20,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:58:20,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 13 [2024-11-20 18:58:20,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019489614] [2024-11-20 18:58:20,184 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:20,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-20 18:58:20,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:20,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-20 18:58:20,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-20 18:58:20,185 INFO L87 Difference]: Start difference. First operand 167 states and 172 transitions. Second operand has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 14 states have internal predecessors, (149), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:24,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-20 18:58:26,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:26,009 INFO L93 Difference]: Finished difference Result 184 states and 193 transitions. [2024-11-20 18:58:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 18:58:26,009 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 14 states have internal predecessors, (149), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 82 [2024-11-20 18:58:26,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:26,011 INFO L225 Difference]: With dead ends: 184 [2024-11-20 18:58:26,011 INFO L226 Difference]: Without dead ends: 183 [2024-11-20 18:58:26,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-11-20 18:58:26,011 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 158 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 17 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:26,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 119 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 784 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-20 18:58:26,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-20 18:58:26,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 166. [2024-11-20 18:58:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 146 states have (on average 1.1095890410958904) internal successors, (162), 160 states have internal predecessors, (162), 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) [2024-11-20 18:58:26,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 170 transitions. [2024-11-20 18:58:26,022 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 170 transitions. Word has length 82 [2024-11-20 18:58:26,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:26,023 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 170 transitions. [2024-11-20 18:58:26,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.461538461538462) internal successors, (149), 14 states have internal predecessors, (149), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 18:58:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 170 transitions. [2024-11-20 18:58:26,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-20 18:58:26,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:26,024 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2024-11-20 18:58:26,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-20 18:58:26,224 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,SelfDestructingSolverStorable14 [2024-11-20 18:58:26,224 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:26,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:26,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1889586286, now seen corresponding path program 1 times [2024-11-20 18:58:26,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:26,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430641744] [2024-11-20 18:58:26,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:26,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:26,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [124626652] [2024-11-20 18:58:26,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:26,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:26,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:26,242 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) [2024-11-20 18:58:26,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 18:58:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:26,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 18:58:26,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:26,442 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:26,443 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-20 18:58:26,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:26,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430641744] [2024-11-20 18:58:26,611 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:26,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124626652] [2024-11-20 18:58:26,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124626652] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:26,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:58:26,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-20 18:58:26,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831811671] [2024-11-20 18:58:26,612 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:26,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-20 18:58:26,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:26,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-20 18:58:26,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-20 18:58:26,613 INFO L87 Difference]: Start difference. First operand 166 states and 170 transitions. Second operand has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 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) [2024-11-20 18:58:27,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:27,194 INFO L93 Difference]: Finished difference Result 295 states and 324 transitions. [2024-11-20 18:58:27,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-20 18:58:27,194 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 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 85 [2024-11-20 18:58:27,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:27,195 INFO L225 Difference]: With dead ends: 295 [2024-11-20 18:58:27,196 INFO L226 Difference]: Without dead ends: 217 [2024-11-20 18:58:27,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2024-11-20 18:58:27,198 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 316 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:27,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 170 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 873 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 18:58:27,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-20 18:58:27,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 200. [2024-11-20 18:58:27,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 186 states have (on average 1.0806451612903225) internal successors, (201), 193 states have internal predecessors, (201), 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) [2024-11-20 18:58:27,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 211 transitions. [2024-11-20 18:58:27,207 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 211 transitions. Word has length 85 [2024-11-20 18:58:27,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:27,207 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 211 transitions. [2024-11-20 18:58:27,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.636363636363637) internal successors, (150), 12 states have internal predecessors, (150), 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) [2024-11-20 18:58:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 211 transitions. [2024-11-20 18:58:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-20 18:58:27,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:27,208 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 18:58:27,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-20 18:58:27,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-20 18:58:27,413 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:27,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:27,413 INFO L85 PathProgramCache]: Analyzing trace with hash 841224309, now seen corresponding path program 2 times [2024-11-20 18:58:27,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:27,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583827544] [2024-11-20 18:58:27,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:27,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:27,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2034022326] [2024-11-20 18:58:27,435 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:58:27,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:27,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:27,437 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) [2024-11-20 18:58:27,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-20 18:58:27,470 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 18:58:27,470 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:58:27,471 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 18:58:27,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:27,748 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-20 18:58:27,749 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 18:58:27,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:27,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583827544] [2024-11-20 18:58:27,749 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:27,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034022326] [2024-11-20 18:58:27,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034022326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:27,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:27,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 18:58:27,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697612117] [2024-11-20 18:58:27,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:27,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 18:58:27,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:27,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 18:58:27,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:58:27,751 INFO L87 Difference]: Start difference. First operand 200 states and 211 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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) [2024-11-20 18:58:27,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:27,811 INFO L93 Difference]: Finished difference Result 200 states and 211 transitions. [2024-11-20 18:58:27,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 18:58:27,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 [2024-11-20 18:58:27,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:27,813 INFO L225 Difference]: With dead ends: 200 [2024-11-20 18:58:27,813 INFO L226 Difference]: Without dead ends: 191 [2024-11-20 18:58:27,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 18:58:27,813 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 26 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:27,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 54 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 18:58:27,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-20 18:58:27,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2024-11-20 18:58:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 180 states have (on average 1.0555555555555556) internal successors, (190), 184 states have internal predecessors, (190), 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) [2024-11-20 18:58:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 200 transitions. [2024-11-20 18:58:27,821 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 200 transitions. Word has length 113 [2024-11-20 18:58:27,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:27,821 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 200 transitions. [2024-11-20 18:58:27,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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) [2024-11-20 18:58:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 200 transitions. [2024-11-20 18:58:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-20 18:58:27,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:27,822 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 18:58:27,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-20 18:58:28,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-20 18:58:28,027 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:28,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:28,027 INFO L85 PathProgramCache]: Analyzing trace with hash 841225495, now seen corresponding path program 1 times [2024-11-20 18:58:28,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:28,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304194125] [2024-11-20 18:58:28,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:28,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:28,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:58:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:28,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 18:58:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:28,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 18:58:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:28,126 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-11-20 18:58:28,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:28,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304194125] [2024-11-20 18:58:28,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304194125] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:58:28,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137104671] [2024-11-20 18:58:28,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:28,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:28,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:28,129 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) [2024-11-20 18:58:28,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-20 18:58:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:28,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 18:58:28,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:28,276 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:58:28,276 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:28,379 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:58:28,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137104671] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:28,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 18:58:28,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2024-11-20 18:58:28,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010269519] [2024-11-20 18:58:28,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:28,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:58:28,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:28,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:58:28,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:58:28,381 INFO L87 Difference]: Start difference. First operand 191 states and 200 transitions. Second operand has 10 states, 9 states have (on average 26.22222222222222) internal successors, (236), 10 states have internal predecessors, (236), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 18:58:28,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:28,425 INFO L93 Difference]: Finished difference Result 193 states and 200 transitions. [2024-11-20 18:58:28,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-20 18:58:28,426 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 26.22222222222222) internal successors, (236), 10 states have internal predecessors, (236), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 113 [2024-11-20 18:58:28,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:28,427 INFO L225 Difference]: With dead ends: 193 [2024-11-20 18:58:28,427 INFO L226 Difference]: Without dead ends: 192 [2024-11-20 18:58:28,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=88, Invalid=122, Unknown=0, NotChecked=0, Total=210 [2024-11-20 18:58:28,428 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 67 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:28,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 193 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:58:28,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-20 18:58:28,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 190. [2024-11-20 18:58:28,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 180 states have (on average 1.038888888888889) internal successors, (187), 183 states have internal predecessors, (187), 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) [2024-11-20 18:58:28,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 197 transitions. [2024-11-20 18:58:28,448 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 197 transitions. Word has length 113 [2024-11-20 18:58:28,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:28,448 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 197 transitions. [2024-11-20 18:58:28,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 26.22222222222222) internal successors, (236), 10 states have internal predecessors, (236), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-20 18:58:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 197 transitions. [2024-11-20 18:58:28,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-20 18:58:28,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:28,449 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-20 18:58:28,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-20 18:58:28,649 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,SelfDestructingSolverStorable17 [2024-11-20 18:58:28,650 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:28,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:28,650 INFO L85 PathProgramCache]: Analyzing trace with hash 843174903, now seen corresponding path program 1 times [2024-11-20 18:58:28,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:28,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894737314] [2024-11-20 18:58:28,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:28,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:28,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 18:58:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:28,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 18:58:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:28,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-20 18:58:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-20 18:58:28,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:28,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894737314] [2024-11-20 18:58:28,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894737314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 18:58:28,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 18:58:28,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 18:58:28,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187670331] [2024-11-20 18:58:28,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 18:58:28,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 18:58:28,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:28,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 18:58:28,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:58:28,699 INFO L87 Difference]: Start difference. First operand 190 states and 197 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-20 18:58:28,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:28,727 INFO L93 Difference]: Finished difference Result 190 states and 197 transitions. [2024-11-20 18:58:28,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 18:58:28,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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 128 [2024-11-20 18:58:28,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:28,728 INFO L225 Difference]: With dead ends: 190 [2024-11-20 18:58:28,728 INFO L226 Difference]: Without dead ends: 189 [2024-11-20 18:58:28,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 18:58:28,729 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 22 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:28,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 27 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 18:58:28,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-20 18:58:28,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2024-11-20 18:58:28,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 180 states have (on average 1.0277777777777777) internal successors, (185), 182 states have internal predecessors, (185), 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) [2024-11-20 18:58:28,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 195 transitions. [2024-11-20 18:58:28,737 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 195 transitions. Word has length 128 [2024-11-20 18:58:28,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:28,737 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 195 transitions. [2024-11-20 18:58:28,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-20 18:58:28,737 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 195 transitions. [2024-11-20 18:58:28,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-20 18:58:28,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:28,738 INFO L215 NwaCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-20 18:58:28,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-20 18:58:28,738 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:28,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:28,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1457735175, now seen corresponding path program 1 times [2024-11-20 18:58:28,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:28,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13850895] [2024-11-20 18:58:28,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:28,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:28,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [422005842] [2024-11-20 18:58:28,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:28,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:28,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:28,762 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) [2024-11-20 18:58:28,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-20 18:58:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:28,799 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-20 18:58:28,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:28,905 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:58:28,905 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:29,161 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-20 18:58:29,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:29,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13850895] [2024-11-20 18:58:29,161 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:29,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422005842] [2024-11-20 18:58:29,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422005842] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:29,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:58:29,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-20 18:58:29,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599307260] [2024-11-20 18:58:29,161 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:29,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 18:58:29,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:29,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 18:58:29,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-20 18:58:29,162 INFO L87 Difference]: Start difference. First operand 189 states and 195 transitions. Second operand has 10 states, 9 states have (on average 25.555555555555557) internal successors, (230), 10 states have internal predecessors, (230), 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) [2024-11-20 18:58:29,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:29,520 INFO L93 Difference]: Finished difference Result 305 states and 319 transitions. [2024-11-20 18:58:29,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 18:58:29,523 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 25.555555555555557) internal successors, (230), 10 states have internal predecessors, (230), 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 130 [2024-11-20 18:58:29,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:29,524 INFO L225 Difference]: With dead ends: 305 [2024-11-20 18:58:29,524 INFO L226 Difference]: Without dead ends: 303 [2024-11-20 18:58:29,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:58:29,525 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 126 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:29,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 186 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 18:58:29,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-20 18:58:29,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 300. [2024-11-20 18:58:29,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 288 states have (on average 1.0208333333333333) internal successors, (294), 290 states have internal predecessors, (294), 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) [2024-11-20 18:58:29,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 310 transitions. [2024-11-20 18:58:29,540 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 310 transitions. Word has length 130 [2024-11-20 18:58:29,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:29,540 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 310 transitions. [2024-11-20 18:58:29,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 25.555555555555557) internal successors, (230), 10 states have internal predecessors, (230), 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) [2024-11-20 18:58:29,540 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 310 transitions. [2024-11-20 18:58:29,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-20 18:58:29,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:29,542 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2024-11-20 18:58:29,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-20 18:58:29,742 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,SelfDestructingSolverStorable19 [2024-11-20 18:58:29,742 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:29,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:29,746 INFO L85 PathProgramCache]: Analyzing trace with hash 440315795, now seen corresponding path program 2 times [2024-11-20 18:58:29,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:29,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983755297] [2024-11-20 18:58:29,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:29,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:29,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [401238469] [2024-11-20 18:58:29,770 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:58:29,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:29,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:29,772 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) [2024-11-20 18:58:29,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-20 18:58:29,823 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:58:29,824 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:58:29,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-20 18:58:29,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:30,256 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:58:30,256 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:30,684 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 365 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 18:58:30,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:30,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983755297] [2024-11-20 18:58:30,685 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:30,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401238469] [2024-11-20 18:58:30,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401238469] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:30,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:58:30,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-20 18:58:30,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988650232] [2024-11-20 18:58:30,686 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:30,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-20 18:58:30,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:30,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-20 18:58:30,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2024-11-20 18:58:30,687 INFO L87 Difference]: Start difference. First operand 300 states and 310 transitions. Second operand has 24 states, 23 states have (on average 15.391304347826088) internal successors, (354), 24 states have internal predecessors, (354), 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) [2024-11-20 18:58:31,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:31,809 INFO L93 Difference]: Finished difference Result 400 states and 420 transitions. [2024-11-20 18:58:31,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-20 18:58:31,809 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 15.391304347826088) internal successors, (354), 24 states have internal predecessors, (354), 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 202 [2024-11-20 18:58:31,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:31,811 INFO L225 Difference]: With dead ends: 400 [2024-11-20 18:58:31,812 INFO L226 Difference]: Without dead ends: 399 [2024-11-20 18:58:31,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 380 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=369, Invalid=753, Unknown=0, NotChecked=0, Total=1122 [2024-11-20 18:58:31,813 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 264 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 2310 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 2326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:31,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 431 Invalid, 2326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2310 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-20 18:58:31,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-20 18:58:31,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2024-11-20 18:58:31,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 384 states have (on average 1.0208333333333333) internal successors, (392), 386 states have internal predecessors, (392), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 18:58:31,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 414 transitions. [2024-11-20 18:58:31,830 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 414 transitions. Word has length 202 [2024-11-20 18:58:31,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:31,830 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 414 transitions. [2024-11-20 18:58:31,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 15.391304347826088) internal successors, (354), 24 states have internal predecessors, (354), 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) [2024-11-20 18:58:31,831 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 414 transitions. [2024-11-20 18:58:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-20 18:58:31,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:31,832 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, 7, 7, 7, 1, 1, 1, 1, 1] [2024-11-20 18:58:31,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-20 18:58:32,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:32,032 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:32,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:32,033 INFO L85 PathProgramCache]: Analyzing trace with hash 204558434, now seen corresponding path program 1 times [2024-11-20 18:58:32,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:32,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637733979] [2024-11-20 18:58:32,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:32,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:32,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1058022539] [2024-11-20 18:58:32,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:32,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:32,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:32,069 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) [2024-11-20 18:58:32,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-20 18:58:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 18:58:32,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-20 18:58:32,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:32,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 0 proven. 966 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:58:32,412 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:32,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:32,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637733979] [2024-11-20 18:58:32,466 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:32,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058022539] [2024-11-20 18:58:32,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058022539] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 18:58:32,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-20 18:58:32,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-20 18:58:32,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74517209] [2024-11-20 18:58:32,466 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:32,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 18:58:32,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:32,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 18:58:32,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:58:32,467 INFO L87 Difference]: Start difference. First operand 399 states and 414 transitions. Second operand has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 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) [2024-11-20 18:58:32,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:32,678 INFO L93 Difference]: Finished difference Result 400 states and 414 transitions. [2024-11-20 18:58:32,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 18:58:32,680 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 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 314 [2024-11-20 18:58:32,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:32,681 INFO L225 Difference]: With dead ends: 400 [2024-11-20 18:58:32,681 INFO L226 Difference]: Without dead ends: 399 [2024-11-20 18:58:32,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-20 18:58:32,682 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 30 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:32,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 100 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 18:58:32,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-20 18:58:32,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2024-11-20 18:58:32,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 384 states have (on average 1.0182291666666667) internal successors, (391), 386 states have internal predecessors, (391), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-20 18:58:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 413 transitions. [2024-11-20 18:58:32,702 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 413 transitions. Word has length 314 [2024-11-20 18:58:32,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:32,702 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 413 transitions. [2024-11-20 18:58:32,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 27.7) internal successors, (277), 11 states have internal predecessors, (277), 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) [2024-11-20 18:58:32,703 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 413 transitions. [2024-11-20 18:58:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2024-11-20 18:58:32,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:32,704 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 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, 1, 1, 1, 1, 1] [2024-11-20 18:58:32,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-20 18:58:32,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:32,904 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:32,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:32,905 INFO L85 PathProgramCache]: Analyzing trace with hash -683484332, now seen corresponding path program 2 times [2024-11-20 18:58:32,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:32,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196308129] [2024-11-20 18:58:32,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:32,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:32,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67717766] [2024-11-20 18:58:32,948 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 18:58:32,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:32,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:32,950 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) [2024-11-20 18:58:32,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-20 18:58:33,028 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 18:58:33,028 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:58:33,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-20 18:58:33,034 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:58:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 0 proven. 1052 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:58:33,281 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 18:58:33,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 0 proven. 1052 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-20 18:58:33,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 18:58:33,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196308129] [2024-11-20 18:58:33,879 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-20 18:58:33,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67717766] [2024-11-20 18:58:33,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67717766] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 18:58:33,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 18:58:33,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-20 18:58:33,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997513148] [2024-11-20 18:58:33,880 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 18:58:33,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-20 18:58:33,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 18:58:33,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-20 18:58:33,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-20 18:58:33,882 INFO L87 Difference]: Start difference. First operand 399 states and 413 transitions. Second operand has 20 states, 19 states have (on average 30.0) internal successors, (570), 20 states have internal predecessors, (570), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-20 18:58:35,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 18:58:35,278 INFO L93 Difference]: Finished difference Result 659 states and 693 transitions. [2024-11-20 18:58:35,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-20 18:58:35,279 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 30.0) internal successors, (570), 20 states have internal predecessors, (570), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Word has length 325 [2024-11-20 18:58:35,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 18:58:35,280 INFO L225 Difference]: With dead ends: 659 [2024-11-20 18:58:35,280 INFO L226 Difference]: Without dead ends: 657 [2024-11-20 18:58:35,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 656 GetRequests, 630 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=278, Invalid=478, Unknown=0, NotChecked=0, Total=756 [2024-11-20 18:58:35,281 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 224 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 2569 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 2588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 18:58:35,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 716 Invalid, 2588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 2569 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 18:58:35,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-20 18:58:35,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 650. [2024-11-20 18:58:35,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 628 states have (on average 1.015923566878981) internal successors, (638), 630 states have internal predecessors, (638), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-20 18:58:35,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 674 transitions. [2024-11-20 18:58:35,305 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 674 transitions. Word has length 325 [2024-11-20 18:58:35,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 18:58:35,305 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 674 transitions. [2024-11-20 18:58:35,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 30.0) internal successors, (570), 20 states have internal predecessors, (570), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-20 18:58:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 674 transitions. [2024-11-20 18:58:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2024-11-20 18:58:35,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 18:58:35,308 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1] [2024-11-20 18:58:35,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-20 18:58:35,508 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,SelfDestructingSolverStorable22 [2024-11-20 18:58:35,510 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-11-20 18:58:35,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 18:58:35,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1070674317, now seen corresponding path program 3 times [2024-11-20 18:58:35,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 18:58:35,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616971219] [2024-11-20 18:58:35,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 18:58:35,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 18:58:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 18:58:35,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [767400149] [2024-11-20 18:58:35,549 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 18:58:35,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 18:58:35,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 18:58:35,551 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) [2024-11-20 18:58:35,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-20 18:59:16,831 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-11-20 18:59:16,831 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 18:59:16,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-20 18:59:16,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 18:59:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2178 backedges. 21 proven. 1967 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-20 18:59:17,354 INFO L311 TraceCheckSpWp]: Computing backward predicates...