./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/egcd-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0a6d36c45579adaf3871b264b96aba9fa14294bc645c23d191a4e77c149500df --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:25:33,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:25:33,163 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:25:33,166 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:25:33,167 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:25:33,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:25:33,194 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:25:33,195 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:25:33,195 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:25:33,196 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:25:33,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:25:33,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:25:33,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:25:33,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:25:33,199 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:25:33,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:25:33,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:25:33,200 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:25:33,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:25:33,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:25:33,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:25:33,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:25:33,202 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:25:33,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:25:33,202 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:25:33,202 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:25:33,203 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:25:33,203 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:25:33,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:25:33,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:25:33,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:25:33,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:25:33,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:25:33,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:25:33,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:25:33,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:25:33,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:25:33,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:25:33,207 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:25:33,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:25:33,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:25:33,208 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:25:33,208 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:25:33,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:25:33,209 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a6d36c45579adaf3871b264b96aba9fa14294bc645c23d191a4e77c149500df [2024-10-13 13:25:33,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:25:33,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:25:33,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:25:33,462 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:25:33,463 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:25:33,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c [2024-10-13 13:25:34,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:25:34,974 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:25:34,975 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound10.c [2024-10-13 13:25:34,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3231ebddf/04b45d521777431ab4de1420a8a6191d/FLAG4be61e19d [2024-10-13 13:25:34,993 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3231ebddf/04b45d521777431ab4de1420a8a6191d [2024-10-13 13:25:34,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:25:34,997 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:25:34,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:25:34,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:25:35,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:25:35,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:25:34" (1/1) ... [2024-10-13 13:25:35,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3975ae8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35, skipping insertion in model container [2024-10-13 13:25:35,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:25:34" (1/1) ... [2024-10-13 13:25:35,021 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:25:35,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:25:35,173 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:25:35,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:25:35,240 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:25:35,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35 WrapperNode [2024-10-13 13:25:35,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:25:35,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:25:35,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:25:35,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:25:35,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35" (1/1) ... [2024-10-13 13:25:35,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35" (1/1) ... [2024-10-13 13:25:35,314 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2024-10-13 13:25:35,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:25:35,315 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:25:35,315 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:25:35,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:25:35,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35" (1/1) ... [2024-10-13 13:25:35,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35" (1/1) ... [2024-10-13 13:25:35,325 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35" (1/1) ... [2024-10-13 13:25:35,341 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 13:25:35,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35" (1/1) ... [2024-10-13 13:25:35,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35" (1/1) ... [2024-10-13 13:25:35,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35" (1/1) ... [2024-10-13 13:25:35,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35" (1/1) ... [2024-10-13 13:25:35,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35" (1/1) ... [2024-10-13 13:25:35,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35" (1/1) ... [2024-10-13 13:25:35,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:25:35,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:25:35,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:25:35,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:25:35,362 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35" (1/1) ... [2024-10-13 13:25:35,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:25:35,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:35,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 13:25:35,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 13:25:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 13:25:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 13:25:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 13:25:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 13:25:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:25:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:25:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 13:25:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 13:25:35,500 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:25:35,502 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:25:36,046 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2024-10-13 13:25:36,046 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:25:36,073 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:25:36,074 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 13:25:36,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:25:36 BoogieIcfgContainer [2024-10-13 13:25:36,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:25:36,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:25:36,078 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:25:36,081 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:25:36,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:25:34" (1/3) ... [2024-10-13 13:25:36,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f634aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:25:36, skipping insertion in model container [2024-10-13 13:25:36,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:25:35" (2/3) ... [2024-10-13 13:25:36,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f634aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:25:36, skipping insertion in model container [2024-10-13 13:25:36,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:25:36" (3/3) ... [2024-10-13 13:25:36,084 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_unwindbound10.c [2024-10-13 13:25:36,100 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:25:36,100 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-10-13 13:25:36,156 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:25:36,161 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;@657e35a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:25:36,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-10-13 13:25:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 71 states have (on average 1.9014084507042253) internal successors, (135), 129 states have internal predecessors, (135), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-13 13:25:36,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 13:25:36,171 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:36,172 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:36,173 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:36,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:36,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1649939746, now seen corresponding path program 1 times [2024-10-13 13:25:36,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:36,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427459292] [2024-10-13 13:25:36,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:36,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:36,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:25:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:36,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:25:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:25:36,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:36,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427459292] [2024-10-13 13:25:36,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427459292] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:36,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:36,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:25:36,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398341730] [2024-10-13 13:25:36,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:36,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 13:25:36,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:36,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 13:25:36,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:25:36,344 INFO L87 Difference]: Start difference. First operand has 141 states, 71 states have (on average 1.9014084507042253) internal successors, (135), 129 states have internal predecessors, (135), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:25:36,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:36,376 INFO L93 Difference]: Finished difference Result 280 states and 312 transitions. [2024-10-13 13:25:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 13:25:36,378 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-10-13 13:25:36,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:36,383 INFO L225 Difference]: With dead ends: 280 [2024-10-13 13:25:36,383 INFO L226 Difference]: Without dead ends: 138 [2024-10-13 13:25:36,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:25:36,388 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:36,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:25:36,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-10-13 13:25:36,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-10-13 13:25:36,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 70 states have (on average 1.8571428571428572) internal successors, (130), 127 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 13:25:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 146 transitions. [2024-10-13 13:25:36,421 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 146 transitions. Word has length 14 [2024-10-13 13:25:36,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:36,422 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 146 transitions. [2024-10-13 13:25:36,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:25:36,422 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2024-10-13 13:25:36,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 13:25:36,423 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:36,423 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:36,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:25:36,424 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:36,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:36,424 INFO L85 PathProgramCache]: Analyzing trace with hash -891616866, now seen corresponding path program 1 times [2024-10-13 13:25:36,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:36,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809446210] [2024-10-13 13:25:36,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:36,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:36,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:25:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:36,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:25:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:25:36,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:36,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809446210] [2024-10-13 13:25:36,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809446210] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:36,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:36,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:25:36,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130643164] [2024-10-13 13:25:36,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:36,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:36,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:36,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:36,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:36,518 INFO L87 Difference]: Start difference. First operand 138 states and 146 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:25:36,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:36,560 INFO L93 Difference]: Finished difference Result 203 states and 213 transitions. [2024-10-13 13:25:36,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:25:36,560 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-10-13 13:25:36,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:36,561 INFO L225 Difference]: With dead ends: 203 [2024-10-13 13:25:36,562 INFO L226 Difference]: Without dead ends: 142 [2024-10-13 13:25:36,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:25:36,563 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 9 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:36,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 413 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:25:36,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-10-13 13:25:36,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-10-13 13:25:36,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 74 states have (on average 1.8108108108108107) internal successors, (134), 131 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 13:25:36,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 150 transitions. [2024-10-13 13:25:36,573 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 150 transitions. Word has length 14 [2024-10-13 13:25:36,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:36,574 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 150 transitions. [2024-10-13 13:25:36,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:25:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2024-10-13 13:25:36,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-13 13:25:36,575 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:36,575 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:36,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 13:25:36,575 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:36,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:36,576 INFO L85 PathProgramCache]: Analyzing trace with hash -2080252688, now seen corresponding path program 1 times [2024-10-13 13:25:36,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:36,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123267774] [2024-10-13 13:25:36,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:36,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:36,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1284868686] [2024-10-13 13:25:36,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:36,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:36,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:36,597 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:36,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 13:25:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:36,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:25:36,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:25:36,731 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:36,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:36,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123267774] [2024-10-13 13:25:36,732 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:36,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284868686] [2024-10-13 13:25:36,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284868686] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:36,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:36,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:25:36,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536931496] [2024-10-13 13:25:36,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:36,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:25:36,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:36,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:25:36,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:25:36,734 INFO L87 Difference]: Start difference. First operand 142 states and 150 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:25:36,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:36,984 INFO L93 Difference]: Finished difference Result 226 states and 273 transitions. [2024-10-13 13:25:36,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:25:36,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-10-13 13:25:36,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:36,986 INFO L225 Difference]: With dead ends: 226 [2024-10-13 13:25:36,986 INFO L226 Difference]: Without dead ends: 222 [2024-10-13 13:25:36,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:25:36,987 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 73 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:36,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 164 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:25:36,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-10-13 13:25:36,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2024-10-13 13:25:36,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 107 states have (on average 1.8317757009345794) internal successors, (196), 164 states have internal predecessors, (196), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-13 13:25:36,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions. [2024-10-13 13:25:36,998 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 17 [2024-10-13 13:25:36,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:36,999 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions. [2024-10-13 13:25:36,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:25:36,999 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions. [2024-10-13 13:25:36,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-10-13 13:25:36,999 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:36,999 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:37,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 13:25:37,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:37,204 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:37,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:37,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1963038830, now seen corresponding path program 1 times [2024-10-13 13:25:37,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:37,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131439852] [2024-10-13 13:25:37,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:37,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:37,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1435087612] [2024-10-13 13:25:37,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:37,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:37,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:37,238 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:37,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 13:25:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:37,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:25:37,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:37,310 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:25:37,310 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:37,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:37,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131439852] [2024-10-13 13:25:37,311 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:37,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435087612] [2024-10-13 13:25:37,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435087612] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:37,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:37,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:25:37,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316808230] [2024-10-13 13:25:37,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:37,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:25:37,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:37,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:25:37,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:25:37,312 INFO L87 Difference]: Start difference. First operand 180 states and 222 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:25:37,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:37,575 INFO L93 Difference]: Finished difference Result 286 states and 352 transitions. [2024-10-13 13:25:37,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:25:37,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-10-13 13:25:37,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:37,577 INFO L225 Difference]: With dead ends: 286 [2024-10-13 13:25:37,577 INFO L226 Difference]: Without dead ends: 278 [2024-10-13 13:25:37,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:25:37,578 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 87 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:37,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 229 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:25:37,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-10-13 13:25:37,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 236. [2024-10-13 13:25:37,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 157 states have (on average 1.7898089171974523) internal successors, (281), 214 states have internal predecessors, (281), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-13 13:25:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 319 transitions. [2024-10-13 13:25:37,604 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 319 transitions. Word has length 19 [2024-10-13 13:25:37,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:37,604 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 319 transitions. [2024-10-13 13:25:37,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:25:37,604 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 319 transitions. [2024-10-13 13:25:37,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-13 13:25:37,605 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:37,605 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:37,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 13:25:37,808 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,SelfDestructingSolverStorable3 [2024-10-13 13:25:37,811 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:37,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:37,811 INFO L85 PathProgramCache]: Analyzing trace with hash -989670860, now seen corresponding path program 1 times [2024-10-13 13:25:37,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:37,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234107517] [2024-10-13 13:25:37,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:37,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:37,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2125520167] [2024-10-13 13:25:37,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:37,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:37,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:37,851 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:37,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 13:25:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:37,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:25:37,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:25:38,078 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:38,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:38,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234107517] [2024-10-13 13:25:38,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:38,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125520167] [2024-10-13 13:25:38,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125520167] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:38,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:38,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:25:38,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945731112] [2024-10-13 13:25:38,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:38,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:25:38,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:38,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:25:38,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:25:38,080 INFO L87 Difference]: Start difference. First operand 236 states and 319 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:25:38,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:38,385 INFO L93 Difference]: Finished difference Result 272 states and 338 transitions. [2024-10-13 13:25:38,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:25:38,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-10-13 13:25:38,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:38,387 INFO L225 Difference]: With dead ends: 272 [2024-10-13 13:25:38,387 INFO L226 Difference]: Without dead ends: 258 [2024-10-13 13:25:38,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:25:38,388 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 64 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:38,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 150 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:25:38,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-10-13 13:25:38,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 202. [2024-10-13 13:25:38,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 128 states have (on average 1.7109375) internal successors, (219), 185 states have internal predecessors, (219), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-13 13:25:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 247 transitions. [2024-10-13 13:25:38,405 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 247 transitions. Word has length 21 [2024-10-13 13:25:38,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:38,405 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 247 transitions. [2024-10-13 13:25:38,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:25:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 247 transitions. [2024-10-13 13:25:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-13 13:25:38,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:38,406 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:38,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 13:25:38,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:38,607 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:38,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:38,608 INFO L85 PathProgramCache]: Analyzing trace with hash -749701369, now seen corresponding path program 1 times [2024-10-13 13:25:38,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:38,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386029540] [2024-10-13 13:25:38,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:38,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:38,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1805330691] [2024-10-13 13:25:38,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:38,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:38,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:38,634 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:38,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 13:25:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:38,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:25:38,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:38,703 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:25:38,706 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:38,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:38,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386029540] [2024-10-13 13:25:38,707 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:38,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805330691] [2024-10-13 13:25:38,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805330691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:38,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:38,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:25:38,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689431512] [2024-10-13 13:25:38,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:38,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:25:38,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:38,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:25:38,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:25:38,708 INFO L87 Difference]: Start difference. First operand 202 states and 247 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:25:39,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:39,067 INFO L93 Difference]: Finished difference Result 368 states and 471 transitions. [2024-10-13 13:25:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:25:39,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-10-13 13:25:39,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:39,070 INFO L225 Difference]: With dead ends: 368 [2024-10-13 13:25:39,070 INFO L226 Difference]: Without dead ends: 360 [2024-10-13 13:25:39,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:25:39,071 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 87 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:39,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 232 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:25:39,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-13 13:25:39,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 283. [2024-10-13 13:25:39,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 200 states have (on average 1.7) internal successors, (340), 257 states have internal predecessors, (340), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:39,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 386 transitions. [2024-10-13 13:25:39,101 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 386 transitions. Word has length 28 [2024-10-13 13:25:39,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:39,101 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 386 transitions. [2024-10-13 13:25:39,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:25:39,101 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 386 transitions. [2024-10-13 13:25:39,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-13 13:25:39,102 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:39,102 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:39,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 13:25:39,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:39,308 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:39,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:39,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1091492233, now seen corresponding path program 1 times [2024-10-13 13:25:39,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:39,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779469103] [2024-10-13 13:25:39,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:39,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:39,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1842489054] [2024-10-13 13:25:39,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:39,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:39,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:39,347 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:39,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 13:25:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:39,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:39,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:39,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:25:39,456 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:39,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:39,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779469103] [2024-10-13 13:25:39,456 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:39,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842489054] [2024-10-13 13:25:39,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842489054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:39,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:39,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:25:39,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138244009] [2024-10-13 13:25:39,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:39,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:39,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:39,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:39,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:39,457 INFO L87 Difference]: Start difference. First operand 283 states and 386 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:25:39,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:39,810 INFO L93 Difference]: Finished difference Result 338 states and 451 transitions. [2024-10-13 13:25:39,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:25:39,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2024-10-13 13:25:39,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:39,812 INFO L225 Difference]: With dead ends: 338 [2024-10-13 13:25:39,812 INFO L226 Difference]: Without dead ends: 336 [2024-10-13 13:25:39,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:39,813 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 180 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:39,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 166 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:25:39,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-13 13:25:39,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 283. [2024-10-13 13:25:39,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 200 states have (on average 1.68) internal successors, (336), 257 states have internal predecessors, (336), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:39,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 382 transitions. [2024-10-13 13:25:39,823 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 382 transitions. Word has length 30 [2024-10-13 13:25:39,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:39,823 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 382 transitions. [2024-10-13 13:25:39,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:25:39,823 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 382 transitions. [2024-10-13 13:25:39,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-13 13:25:39,823 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:39,824 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:39,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 13:25:40,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:40,025 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:40,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:40,025 INFO L85 PathProgramCache]: Analyzing trace with hash -523479075, now seen corresponding path program 1 times [2024-10-13 13:25:40,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:40,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107424240] [2024-10-13 13:25:40,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:40,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:40,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1682356323] [2024-10-13 13:25:40,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:40,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:40,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:40,040 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:40,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 13:25:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:40,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:40,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:40,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:25:40,174 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:40,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:40,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107424240] [2024-10-13 13:25:40,174 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:40,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682356323] [2024-10-13 13:25:40,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682356323] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:40,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:40,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:25:40,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995657790] [2024-10-13 13:25:40,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:40,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:40,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:40,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:40,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:40,176 INFO L87 Difference]: Start difference. First operand 283 states and 382 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:25:40,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:40,461 INFO L93 Difference]: Finished difference Result 338 states and 447 transitions. [2024-10-13 13:25:40,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:25:40,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-10-13 13:25:40,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:40,467 INFO L225 Difference]: With dead ends: 338 [2024-10-13 13:25:40,467 INFO L226 Difference]: Without dead ends: 336 [2024-10-13 13:25:40,467 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:40,468 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 179 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:40,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 160 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:25:40,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-13 13:25:40,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 283. [2024-10-13 13:25:40,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 200 states have (on average 1.66) internal successors, (332), 257 states have internal predecessors, (332), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:40,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 378 transitions. [2024-10-13 13:25:40,486 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 378 transitions. Word has length 31 [2024-10-13 13:25:40,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:40,487 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 378 transitions. [2024-10-13 13:25:40,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:25:40,487 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 378 transitions. [2024-10-13 13:25:40,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-10-13 13:25:40,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:40,489 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:40,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-13 13:25:40,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:40,690 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:40,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:40,691 INFO L85 PathProgramCache]: Analyzing trace with hash 952017931, now seen corresponding path program 1 times [2024-10-13 13:25:40,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:40,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790829266] [2024-10-13 13:25:40,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:40,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:40,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [580985749] [2024-10-13 13:25:40,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:40,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:40,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:40,706 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:40,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 13:25:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:40,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:40,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:40,781 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:25:40,781 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:40,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:40,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790829266] [2024-10-13 13:25:40,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:40,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580985749] [2024-10-13 13:25:40,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580985749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:40,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:40,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:25:40,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285812984] [2024-10-13 13:25:40,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:40,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:40,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:40,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:40,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:40,783 INFO L87 Difference]: Start difference. First operand 283 states and 378 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:25:41,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:41,704 INFO L93 Difference]: Finished difference Result 358 states and 451 transitions. [2024-10-13 13:25:41,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:25:41,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-10-13 13:25:41,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:41,706 INFO L225 Difference]: With dead ends: 358 [2024-10-13 13:25:41,706 INFO L226 Difference]: Without dead ends: 356 [2024-10-13 13:25:41,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:41,707 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 150 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:41,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 192 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 13:25:41,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-13 13:25:41,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 284. [2024-10-13 13:25:41,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 201 states have (on average 1.6417910447761195) internal successors, (330), 258 states have internal predecessors, (330), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:41,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 376 transitions. [2024-10-13 13:25:41,719 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 376 transitions. Word has length 32 [2024-10-13 13:25:41,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:41,719 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 376 transitions. [2024-10-13 13:25:41,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:25:41,720 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 376 transitions. [2024-10-13 13:25:41,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-13 13:25:41,720 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:41,720 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:41,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-13 13:25:41,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:41,925 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:41,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:41,925 INFO L85 PathProgramCache]: Analyzing trace with hash -552215137, now seen corresponding path program 1 times [2024-10-13 13:25:41,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:41,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642857594] [2024-10-13 13:25:41,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:41,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:41,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [278153037] [2024-10-13 13:25:41,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:41,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:41,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:41,939 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:41,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 13:25:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:41,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:41,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:25:42,085 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:42,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:42,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642857594] [2024-10-13 13:25:42,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:42,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278153037] [2024-10-13 13:25:42,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278153037] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:42,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:42,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:25:42,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306430764] [2024-10-13 13:25:42,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:42,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:42,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:42,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:42,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:42,088 INFO L87 Difference]: Start difference. First operand 284 states and 376 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:25:43,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:43,403 INFO L93 Difference]: Finished difference Result 358 states and 447 transitions. [2024-10-13 13:25:43,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:25:43,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2024-10-13 13:25:43,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:43,405 INFO L225 Difference]: With dead ends: 358 [2024-10-13 13:25:43,405 INFO L226 Difference]: Without dead ends: 356 [2024-10-13 13:25:43,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:43,406 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 91 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:43,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 244 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 13:25:43,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-13 13:25:43,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 285. [2024-10-13 13:25:43,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 202 states have (on average 1.6237623762376239) internal successors, (328), 259 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:43,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 374 transitions. [2024-10-13 13:25:43,419 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 374 transitions. Word has length 33 [2024-10-13 13:25:43,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:43,419 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 374 transitions. [2024-10-13 13:25:43,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-13 13:25:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 374 transitions. [2024-10-13 13:25:43,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-13 13:25:43,420 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:43,420 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:43,432 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 13:25:43,620 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,SelfDestructingSolverStorable9 [2024-10-13 13:25:43,621 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:43,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:43,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1173963144, now seen corresponding path program 1 times [2024-10-13 13:25:43,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:43,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335957896] [2024-10-13 13:25:43,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:43,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:43,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [688348775] [2024-10-13 13:25:43,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:43,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:43,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:43,636 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:43,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 13:25:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:43,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:43,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:43,760 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:25:43,761 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:43,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:43,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335957896] [2024-10-13 13:25:43,761 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:43,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688348775] [2024-10-13 13:25:43,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688348775] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:43,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:43,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:25:43,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117997915] [2024-10-13 13:25:43,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:43,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:43,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:43,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:43,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:43,763 INFO L87 Difference]: Start difference. First operand 285 states and 374 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 13:25:43,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:43,997 INFO L93 Difference]: Finished difference Result 309 states and 393 transitions. [2024-10-13 13:25:43,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:25:43,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 41 [2024-10-13 13:25:43,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:43,998 INFO L225 Difference]: With dead ends: 309 [2024-10-13 13:25:43,998 INFO L226 Difference]: Without dead ends: 307 [2024-10-13 13:25:43,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:43,999 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 202 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:43,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 175 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:25:44,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-10-13 13:25:44,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 286. [2024-10-13 13:25:44,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 203 states have (on average 1.6108374384236452) internal successors, (327), 260 states have internal predecessors, (327), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:44,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 373 transitions. [2024-10-13 13:25:44,010 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 373 transitions. Word has length 41 [2024-10-13 13:25:44,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:44,011 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 373 transitions. [2024-10-13 13:25:44,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 13:25:44,011 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 373 transitions. [2024-10-13 13:25:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-13 13:25:44,011 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:44,011 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:44,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 13:25:44,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:44,212 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:44,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:44,213 INFO L85 PathProgramCache]: Analyzing trace with hash 2033119179, now seen corresponding path program 1 times [2024-10-13 13:25:44,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:44,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962998777] [2024-10-13 13:25:44,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:44,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:44,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [331585498] [2024-10-13 13:25:44,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:44,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:44,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:44,234 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:44,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 13:25:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:44,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:44,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:44,351 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:25:44,351 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:44,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:44,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962998777] [2024-10-13 13:25:44,351 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:44,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331585498] [2024-10-13 13:25:44,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331585498] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:44,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:44,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:25:44,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577603424] [2024-10-13 13:25:44,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:44,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:44,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:44,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:44,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:44,354 INFO L87 Difference]: Start difference. First operand 286 states and 373 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 13:25:44,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:44,647 INFO L93 Difference]: Finished difference Result 309 states and 390 transitions. [2024-10-13 13:25:44,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:25:44,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-10-13 13:25:44,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:44,649 INFO L225 Difference]: With dead ends: 309 [2024-10-13 13:25:44,649 INFO L226 Difference]: Without dead ends: 307 [2024-10-13 13:25:44,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:44,650 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 163 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:44,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 188 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:25:44,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-10-13 13:25:44,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 287. [2024-10-13 13:25:44,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 204 states have (on average 1.5980392156862746) internal successors, (326), 261 states have internal predecessors, (326), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:44,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 372 transitions. [2024-10-13 13:25:44,658 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 372 transitions. Word has length 42 [2024-10-13 13:25:44,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:44,658 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 372 transitions. [2024-10-13 13:25:44,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 13:25:44,659 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 372 transitions. [2024-10-13 13:25:44,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-13 13:25:44,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:44,659 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:44,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 13:25:44,860 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,SelfDestructingSolverStorable11 [2024-10-13 13:25:44,860 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:44,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:44,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1397814806, now seen corresponding path program 1 times [2024-10-13 13:25:44,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:44,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269629288] [2024-10-13 13:25:44,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:44,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:44,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [489953411] [2024-10-13 13:25:44,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:44,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:44,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:44,877 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:44,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 13:25:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:44,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:44,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:25:44,976 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:44,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:44,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269629288] [2024-10-13 13:25:44,977 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:44,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489953411] [2024-10-13 13:25:44,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489953411] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:44,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:44,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:25:44,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727487029] [2024-10-13 13:25:44,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:44,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:44,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:44,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:44,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:44,978 INFO L87 Difference]: Start difference. First operand 287 states and 372 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 13:25:45,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:45,737 INFO L93 Difference]: Finished difference Result 317 states and 379 transitions. [2024-10-13 13:25:45,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:25:45,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-10-13 13:25:45,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:45,739 INFO L225 Difference]: With dead ends: 317 [2024-10-13 13:25:45,739 INFO L226 Difference]: Without dead ends: 315 [2024-10-13 13:25:45,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:45,739 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 83 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:45,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 283 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:25:45,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-10-13 13:25:45,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 288. [2024-10-13 13:25:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 205 states have (on average 1.5853658536585367) internal successors, (325), 262 states have internal predecessors, (325), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 371 transitions. [2024-10-13 13:25:45,748 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 371 transitions. Word has length 43 [2024-10-13 13:25:45,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:45,748 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 371 transitions. [2024-10-13 13:25:45,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 13:25:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 371 transitions. [2024-10-13 13:25:45,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-13 13:25:45,749 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:45,749 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:45,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-13 13:25:45,951 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,SelfDestructingSolverStorable12 [2024-10-13 13:25:45,955 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:45,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:45,956 INFO L85 PathProgramCache]: Analyzing trace with hash -382585939, now seen corresponding path program 1 times [2024-10-13 13:25:45,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:45,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514278450] [2024-10-13 13:25:45,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:45,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:45,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976864729] [2024-10-13 13:25:45,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:45,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:45,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:45,979 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:45,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 13:25:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:46,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:46,017 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-13 13:25:46,199 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:46,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:46,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514278450] [2024-10-13 13:25:46,200 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:46,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976864729] [2024-10-13 13:25:46,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976864729] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:46,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:46,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:25:46,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126725501] [2024-10-13 13:25:46,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:46,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:46,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:46,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:46,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:46,203 INFO L87 Difference]: Start difference. First operand 288 states and 371 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 13:25:47,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:47,004 INFO L93 Difference]: Finished difference Result 317 states and 376 transitions. [2024-10-13 13:25:47,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:25:47,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-10-13 13:25:47,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:47,006 INFO L225 Difference]: With dead ends: 317 [2024-10-13 13:25:47,006 INFO L226 Difference]: Without dead ends: 315 [2024-10-13 13:25:47,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:47,006 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 135 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:47,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 224 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 13:25:47,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-10-13 13:25:47,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 289. [2024-10-13 13:25:47,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 206 states have (on average 1.5728155339805825) internal successors, (324), 263 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:47,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 370 transitions. [2024-10-13 13:25:47,014 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 370 transitions. Word has length 44 [2024-10-13 13:25:47,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:47,015 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 370 transitions. [2024-10-13 13:25:47,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-13 13:25:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 370 transitions. [2024-10-13 13:25:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-13 13:25:47,016 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:47,016 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:47,029 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-13 13:25:47,216 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,SelfDestructingSolverStorable13 [2024-10-13 13:25:47,216 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:47,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:47,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1889396222, now seen corresponding path program 1 times [2024-10-13 13:25:47,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:47,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527565844] [2024-10-13 13:25:47,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:47,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:25:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:25:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:25:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:25:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:25:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:25:47,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:47,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527565844] [2024-10-13 13:25:47,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527565844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:47,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:47,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:25:47,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804559706] [2024-10-13 13:25:47,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:47,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:25:47,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:47,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:25:47,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:25:47,286 INFO L87 Difference]: Start difference. First operand 289 states and 370 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:25:47,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:47,325 INFO L93 Difference]: Finished difference Result 380 states and 487 transitions. [2024-10-13 13:25:47,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:25:47,325 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 51 [2024-10-13 13:25:47,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:47,327 INFO L225 Difference]: With dead ends: 380 [2024-10-13 13:25:47,327 INFO L226 Difference]: Without dead ends: 378 [2024-10-13 13:25:47,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:25:47,329 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 46 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:47,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 295 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:25:47,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-10-13 13:25:47,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 291. [2024-10-13 13:25:47,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 209 states have (on average 1.5502392344497609) internal successors, (324), 265 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:47,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 370 transitions. [2024-10-13 13:25:47,339 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 370 transitions. Word has length 51 [2024-10-13 13:25:47,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:47,339 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 370 transitions. [2024-10-13 13:25:47,340 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, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:25:47,340 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 370 transitions. [2024-10-13 13:25:47,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-13 13:25:47,340 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:47,340 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:47,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 13:25:47,340 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:47,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:47,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1558259392, now seen corresponding path program 1 times [2024-10-13 13:25:47,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:47,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132350801] [2024-10-13 13:25:47,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:47,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:25:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:25:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:25:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:25:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:25:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:25:47,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:47,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132350801] [2024-10-13 13:25:47,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132350801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:47,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:47,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:25:47,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102603312] [2024-10-13 13:25:47,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:47,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:25:47,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:47,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:25:47,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:25:47,389 INFO L87 Difference]: Start difference. First operand 291 states and 370 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:25:47,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:47,423 INFO L93 Difference]: Finished difference Result 379 states and 481 transitions. [2024-10-13 13:25:47,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:25:47,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 52 [2024-10-13 13:25:47,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:47,424 INFO L225 Difference]: With dead ends: 379 [2024-10-13 13:25:47,424 INFO L226 Difference]: Without dead ends: 377 [2024-10-13 13:25:47,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:25:47,425 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 45 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:47,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 295 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:25:47,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-10-13 13:25:47,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2024-10-13 13:25:47,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 212 states have (on average 1.5188679245283019) internal successors, (322), 267 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:47,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 368 transitions. [2024-10-13 13:25:47,433 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 368 transitions. Word has length 52 [2024-10-13 13:25:47,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:47,433 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 368 transitions. [2024-10-13 13:25:47,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:25:47,433 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 368 transitions. [2024-10-13 13:25:47,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-13 13:25:47,434 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:47,434 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:47,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 13:25:47,434 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:47,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:47,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1061442736, now seen corresponding path program 1 times [2024-10-13 13:25:47,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:47,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660127451] [2024-10-13 13:25:47,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:47,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:25:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:25:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:25:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:25:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:25:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:47,488 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:25:47,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:47,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660127451] [2024-10-13 13:25:47,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660127451] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:47,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:47,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:25:47,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427616341] [2024-10-13 13:25:47,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:47,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:47,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:47,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:47,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:47,490 INFO L87 Difference]: Start difference. First operand 293 states and 368 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:48,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:48,223 INFO L93 Difference]: Finished difference Result 378 states and 473 transitions. [2024-10-13 13:25:48,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:25:48,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2024-10-13 13:25:48,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:48,225 INFO L225 Difference]: With dead ends: 378 [2024-10-13 13:25:48,225 INFO L226 Difference]: Without dead ends: 377 [2024-10-13 13:25:48,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:25:48,225 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 171 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:48,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 188 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:25:48,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-10-13 13:25:48,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2024-10-13 13:25:48,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 212 states have (on average 1.5141509433962264) internal successors, (321), 267 states have internal predecessors, (321), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:48,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 367 transitions. [2024-10-13 13:25:48,235 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 367 transitions. Word has length 53 [2024-10-13 13:25:48,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:48,235 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 367 transitions. [2024-10-13 13:25:48,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:48,235 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 367 transitions. [2024-10-13 13:25:48,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-13 13:25:48,235 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:48,236 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:48,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 13:25:48,236 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:48,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:48,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1061428834, now seen corresponding path program 1 times [2024-10-13 13:25:48,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:48,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043079321] [2024-10-13 13:25:48,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:48,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:48,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:25:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:48,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:25:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:48,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:25:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:48,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:25:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:48,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:25:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:48,333 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:25:48,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:48,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043079321] [2024-10-13 13:25:48,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043079321] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:48,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:48,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:25:48,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273005486] [2024-10-13 13:25:48,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:48,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:48,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:48,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:48,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:48,335 INFO L87 Difference]: Start difference. First operand 293 states and 367 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:48,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:48,943 INFO L93 Difference]: Finished difference Result 380 states and 475 transitions. [2024-10-13 13:25:48,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:25:48,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 53 [2024-10-13 13:25:48,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:48,944 INFO L225 Difference]: With dead ends: 380 [2024-10-13 13:25:48,944 INFO L226 Difference]: Without dead ends: 379 [2024-10-13 13:25:48,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:25:48,945 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 171 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:48,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 188 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:25:48,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-10-13 13:25:48,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 295. [2024-10-13 13:25:48,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 214 states have (on average 1.5093457943925233) internal successors, (323), 269 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:48,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 369 transitions. [2024-10-13 13:25:48,954 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 369 transitions. Word has length 53 [2024-10-13 13:25:48,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:48,954 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 369 transitions. [2024-10-13 13:25:48,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:48,955 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 369 transitions. [2024-10-13 13:25:48,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-13 13:25:48,955 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:48,955 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:48,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 13:25:48,955 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:48,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:48,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1891430278, now seen corresponding path program 1 times [2024-10-13 13:25:48,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:48,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254800640] [2024-10-13 13:25:48,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:48,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:48,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:25:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:48,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:25:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:48,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:25:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:25:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:25:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:25:49,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:49,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254800640] [2024-10-13 13:25:49,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254800640] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:49,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:49,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:25:49,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300094853] [2024-10-13 13:25:49,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:49,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:25:49,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:49,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:25:49,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:25:49,007 INFO L87 Difference]: Start difference. First operand 295 states and 369 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:49,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:49,215 INFO L93 Difference]: Finished difference Result 356 states and 437 transitions. [2024-10-13 13:25:49,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:25:49,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2024-10-13 13:25:49,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:49,217 INFO L225 Difference]: With dead ends: 356 [2024-10-13 13:25:49,217 INFO L226 Difference]: Without dead ends: 352 [2024-10-13 13:25:49,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:25:49,218 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 48 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:49,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 153 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:25:49,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-10-13 13:25:49,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 305. [2024-10-13 13:25:49,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 224 states have (on average 1.4910714285714286) internal successors, (334), 279 states have internal predecessors, (334), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:49,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 380 transitions. [2024-10-13 13:25:49,227 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 380 transitions. Word has length 56 [2024-10-13 13:25:49,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:49,227 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 380 transitions. [2024-10-13 13:25:49,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:49,227 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 380 transitions. [2024-10-13 13:25:49,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-13 13:25:49,228 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:49,228 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:49,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-13 13:25:49,228 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:49,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:49,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1923574198, now seen corresponding path program 1 times [2024-10-13 13:25:49,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:49,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927065719] [2024-10-13 13:25:49,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:49,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:25:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:25:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:25:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:25:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:25:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:25:49,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:49,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927065719] [2024-10-13 13:25:49,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927065719] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:49,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914251717] [2024-10-13 13:25:49,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:49,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:49,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:49,316 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:49,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 13:25:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:49,364 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:49,435 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:25:49,435 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:49,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914251717] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:49,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:25:49,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-13 13:25:49,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898043571] [2024-10-13 13:25:49,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:49,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:25:49,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:49,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:25:49,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:25:49,437 INFO L87 Difference]: Start difference. First operand 305 states and 380 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:49,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:49,458 INFO L93 Difference]: Finished difference Result 305 states and 380 transitions. [2024-10-13 13:25:49,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:25:49,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-10-13 13:25:49,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:49,459 INFO L225 Difference]: With dead ends: 305 [2024-10-13 13:25:49,459 INFO L226 Difference]: Without dead ends: 304 [2024-10-13 13:25:49,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:25:49,461 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 108 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:49,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 272 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:25:49,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-10-13 13:25:49,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2024-10-13 13:25:49,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 224 states have (on average 1.4776785714285714) internal successors, (331), 278 states have internal predecessors, (331), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-13 13:25:49,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 377 transitions. [2024-10-13 13:25:49,472 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 377 transitions. Word has length 59 [2024-10-13 13:25:49,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:49,473 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 377 transitions. [2024-10-13 13:25:49,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:49,473 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 377 transitions. [2024-10-13 13:25:49,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-13 13:25:49,473 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:49,473 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:49,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-13 13:25:49,674 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 [2024-10-13 13:25:49,674 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:49,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:49,675 INFO L85 PathProgramCache]: Analyzing trace with hash -498741962, now seen corresponding path program 1 times [2024-10-13 13:25:49,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:49,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406129755] [2024-10-13 13:25:49,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:49,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:25:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:25:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:25:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:25:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:25:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,750 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:25:49,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:49,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406129755] [2024-10-13 13:25:49,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406129755] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:49,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928107243] [2024-10-13 13:25:49,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:49,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:49,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:49,752 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:49,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-13 13:25:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:49,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:49,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:49,841 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:25:49,841 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:49,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928107243] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:49,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:25:49,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-13 13:25:49,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985871135] [2024-10-13 13:25:49,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:49,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:25:49,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:49,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:25:49,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:25:49,843 INFO L87 Difference]: Start difference. First operand 304 states and 377 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:49,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:49,914 INFO L93 Difference]: Finished difference Result 396 states and 485 transitions. [2024-10-13 13:25:49,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:25:49,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-10-13 13:25:49,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:49,916 INFO L225 Difference]: With dead ends: 396 [2024-10-13 13:25:49,916 INFO L226 Difference]: Without dead ends: 395 [2024-10-13 13:25:49,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:25:49,917 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 103 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:49,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 608 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:25:49,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-10-13 13:25:49,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 357. [2024-10-13 13:25:49,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 269 states have (on average 1.483271375464684) internal successors, (399), 324 states have internal predecessors, (399), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 13:25:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 461 transitions. [2024-10-13 13:25:49,931 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 461 transitions. Word has length 60 [2024-10-13 13:25:49,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:49,931 INFO L471 AbstractCegarLoop]: Abstraction has 357 states and 461 transitions. [2024-10-13 13:25:49,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:49,931 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 461 transitions. [2024-10-13 13:25:49,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-13 13:25:49,932 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:49,932 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:49,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-13 13:25:50,132 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 [2024-10-13 13:25:50,134 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:50,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:50,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1745313255, now seen corresponding path program 1 times [2024-10-13 13:25:50,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:50,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267842748] [2024-10-13 13:25:50,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:50,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:50,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:25:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:50,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:25:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:50,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:25:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:50,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:25:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:50,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:25:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:25:50,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:50,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267842748] [2024-10-13 13:25:50,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267842748] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:50,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907345862] [2024-10-13 13:25:50,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:50,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:50,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:50,211 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:50,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-13 13:25:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:50,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:25:50,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:25:50,307 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:25:50,398 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:25:50,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907345862] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:25:50,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:25:50,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-10-13 13:25:50,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112439731] [2024-10-13 13:25:50,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:25:50,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:25:50,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:50,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:25:50,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:25:50,400 INFO L87 Difference]: Start difference. First operand 357 states and 461 transitions. Second operand has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-13 13:25:50,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:50,530 INFO L93 Difference]: Finished difference Result 926 states and 1133 transitions. [2024-10-13 13:25:50,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 13:25:50,531 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 62 [2024-10-13 13:25:50,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:50,534 INFO L225 Difference]: With dead ends: 926 [2024-10-13 13:25:50,535 INFO L226 Difference]: Without dead ends: 826 [2024-10-13 13:25:50,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:25:50,536 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 280 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:50,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 1026 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:25:50,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-10-13 13:25:50,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 686. [2024-10-13 13:25:50,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 564 states have (on average 1.4716312056737588) internal successors, (830), 624 states have internal predecessors, (830), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 13:25:50,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 954 transitions. [2024-10-13 13:25:50,564 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 954 transitions. Word has length 62 [2024-10-13 13:25:50,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:50,564 INFO L471 AbstractCegarLoop]: Abstraction has 686 states and 954 transitions. [2024-10-13 13:25:50,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.0) internal successors, (91), 13 states have internal predecessors, (91), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-10-13 13:25:50,565 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 954 transitions. [2024-10-13 13:25:50,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-13 13:25:50,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:50,565 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:50,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-13 13:25:50,765 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 [2024-10-13 13:25:50,766 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:50,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:50,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1745313240, now seen corresponding path program 1 times [2024-10-13 13:25:50,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:50,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548101243] [2024-10-13 13:25:50,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:50,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:50,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [527341072] [2024-10-13 13:25:50,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:50,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:50,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:50,776 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:50,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-13 13:25:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:50,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:25:50,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:50,935 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:25:50,936 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:25:51,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:51,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548101243] [2024-10-13 13:25:51,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:51,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527341072] [2024-10-13 13:25:51,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527341072] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:51,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:25:51,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-13 13:25:51,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099375571] [2024-10-13 13:25:51,043 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:25:51,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:51,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:51,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:51,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:25:51,044 INFO L87 Difference]: Start difference. First operand 686 states and 954 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:51,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:51,503 INFO L93 Difference]: Finished difference Result 731 states and 1017 transitions. [2024-10-13 13:25:51,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:25:51,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2024-10-13 13:25:51,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:51,506 INFO L225 Difference]: With dead ends: 731 [2024-10-13 13:25:51,507 INFO L226 Difference]: Without dead ends: 729 [2024-10-13 13:25:51,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:25:51,508 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 39 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:51,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 191 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:25:51,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2024-10-13 13:25:51,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 689. [2024-10-13 13:25:51,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 567 states have (on average 1.4620811287477955) internal successors, (829), 627 states have internal predecessors, (829), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 13:25:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 953 transitions. [2024-10-13 13:25:51,544 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 953 transitions. Word has length 62 [2024-10-13 13:25:51,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:51,544 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 953 transitions. [2024-10-13 13:25:51,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 953 transitions. [2024-10-13 13:25:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-13 13:25:51,545 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:51,545 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:51,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-13 13:25:51,745 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 [2024-10-13 13:25:51,746 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:51,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:51,746 INFO L85 PathProgramCache]: Analyzing trace with hash 830797341, now seen corresponding path program 1 times [2024-10-13 13:25:51,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:51,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508482740] [2024-10-13 13:25:51,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:51,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:51,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:25:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:51,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:25:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:51,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:25:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:51,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:25:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:51,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:25:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:51,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 13:25:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:51,884 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-13 13:25:51,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:51,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508482740] [2024-10-13 13:25:51,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508482740] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:51,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704405186] [2024-10-13 13:25:51,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:51,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:51,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:51,890 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:51,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-13 13:25:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:51,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:25:51,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:52,207 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-13 13:25:52,208 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:52,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704405186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:52,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:25:52,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-13 13:25:52,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339531502] [2024-10-13 13:25:52,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:52,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:52,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:52,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:52,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:25:52,210 INFO L87 Difference]: Start difference. First operand 689 states and 953 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:25:52,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:52,828 INFO L93 Difference]: Finished difference Result 736 states and 1025 transitions. [2024-10-13 13:25:52,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:25:52,828 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 64 [2024-10-13 13:25:52,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:52,831 INFO L225 Difference]: With dead ends: 736 [2024-10-13 13:25:52,831 INFO L226 Difference]: Without dead ends: 735 [2024-10-13 13:25:52,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:25:52,832 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 90 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:52,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 134 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:25:52,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-10-13 13:25:52,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 689. [2024-10-13 13:25:52,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 567 states have (on average 1.4550264550264551) internal successors, (825), 627 states have internal predecessors, (825), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 13:25:52,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 949 transitions. [2024-10-13 13:25:52,864 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 949 transitions. Word has length 64 [2024-10-13 13:25:52,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:52,864 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 949 transitions. [2024-10-13 13:25:52,864 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:25:52,864 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 949 transitions. [2024-10-13 13:25:52,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-10-13 13:25:52,865 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:52,865 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:52,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-13 13:25:53,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:53,069 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:53,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:53,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1729864355, now seen corresponding path program 1 times [2024-10-13 13:25:53,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:53,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600515995] [2024-10-13 13:25:53,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:53,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:53,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [536237097] [2024-10-13 13:25:53,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:53,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:53,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:53,079 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:53,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-13 13:25:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:53,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:25:53,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:25:53,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:25:53,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:53,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600515995] [2024-10-13 13:25:53,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:53,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536237097] [2024-10-13 13:25:53,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536237097] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:53,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:25:53,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-10-13 13:25:53,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891223010] [2024-10-13 13:25:53,565 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:25:53,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:53,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:53,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:53,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:25:53,566 INFO L87 Difference]: Start difference. First operand 689 states and 949 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:53,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:53,852 INFO L93 Difference]: Finished difference Result 731 states and 1006 transitions. [2024-10-13 13:25:53,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:25:53,852 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 63 [2024-10-13 13:25:53,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:53,856 INFO L225 Difference]: With dead ends: 731 [2024-10-13 13:25:53,856 INFO L226 Difference]: Without dead ends: 729 [2024-10-13 13:25:53,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:25:53,857 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 78 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:53,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 147 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:25:53,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2024-10-13 13:25:53,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 692. [2024-10-13 13:25:53,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 570 states have (on average 1.4456140350877194) internal successors, (824), 630 states have internal predecessors, (824), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 13:25:53,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 948 transitions. [2024-10-13 13:25:53,890 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 948 transitions. Word has length 63 [2024-10-13 13:25:53,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:53,890 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 948 transitions. [2024-10-13 13:25:53,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 948 transitions. [2024-10-13 13:25:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-10-13 13:25:53,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:53,891 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:53,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-10-13 13:25:54,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:54,092 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:54,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:54,093 INFO L85 PathProgramCache]: Analyzing trace with hash -15086058, now seen corresponding path program 1 times [2024-10-13 13:25:54,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:54,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676299859] [2024-10-13 13:25:54,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:54,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:54,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:25:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:54,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:25:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:54,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:25:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:54,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:25:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:54,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:25:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:54,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-10-13 13:25:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:54,211 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-13 13:25:54,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:54,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676299859] [2024-10-13 13:25:54,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676299859] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:54,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968578572] [2024-10-13 13:25:54,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:54,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:54,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:54,214 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:54,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-13 13:25:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:54,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:25:54,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-13 13:25:54,456 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:54,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968578572] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:54,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:25:54,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-10-13 13:25:54,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027552610] [2024-10-13 13:25:54,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:54,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:54,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:54,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:54,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:25:54,458 INFO L87 Difference]: Start difference. First operand 692 states and 948 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:25:54,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:54,972 INFO L93 Difference]: Finished difference Result 736 states and 1014 transitions. [2024-10-13 13:25:54,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:25:54,973 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 65 [2024-10-13 13:25:54,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:54,975 INFO L225 Difference]: With dead ends: 736 [2024-10-13 13:25:54,975 INFO L226 Difference]: Without dead ends: 735 [2024-10-13 13:25:54,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:25:54,976 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 87 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:54,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 143 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:25:54,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2024-10-13 13:25:54,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 692. [2024-10-13 13:25:54,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 570 states have (on average 1.4385964912280702) internal successors, (820), 630 states have internal predecessors, (820), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 13:25:54,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 944 transitions. [2024-10-13 13:25:54,999 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 944 transitions. Word has length 65 [2024-10-13 13:25:55,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:55,000 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 944 transitions. [2024-10-13 13:25:55,000 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:25:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 944 transitions. [2024-10-13 13:25:55,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-13 13:25:55,000 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:55,000 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:55,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-13 13:25:55,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:55,201 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:55,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:55,202 INFO L85 PathProgramCache]: Analyzing trace with hash 923639580, now seen corresponding path program 1 times [2024-10-13 13:25:55,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:55,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420435121] [2024-10-13 13:25:55,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:55,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:55,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [498149152] [2024-10-13 13:25:55,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:55,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:55,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:55,211 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:55,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-13 13:25:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:55,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:55,248 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-13 13:25:55,293 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:55,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:55,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420435121] [2024-10-13 13:25:55,293 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:55,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498149152] [2024-10-13 13:25:55,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498149152] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:55,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:55,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:25:55,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110071424] [2024-10-13 13:25:55,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:55,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:55,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:55,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:55,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:55,295 INFO L87 Difference]: Start difference. First operand 692 states and 944 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:55,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:55,935 INFO L93 Difference]: Finished difference Result 744 states and 995 transitions. [2024-10-13 13:25:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:25:55,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 66 [2024-10-13 13:25:55,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:55,938 INFO L225 Difference]: With dead ends: 744 [2024-10-13 13:25:55,938 INFO L226 Difference]: Without dead ends: 743 [2024-10-13 13:25:55,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:55,939 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 80 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:55,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 220 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:25:55,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-10-13 13:25:55,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 692. [2024-10-13 13:25:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 570 states have (on average 1.4333333333333333) internal successors, (817), 630 states have internal predecessors, (817), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 13:25:55,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 941 transitions. [2024-10-13 13:25:55,964 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 941 transitions. Word has length 66 [2024-10-13 13:25:55,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:55,964 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 941 transitions. [2024-10-13 13:25:55,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:55,964 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 941 transitions. [2024-10-13 13:25:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-13 13:25:55,964 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:55,964 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:55,977 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-10-13 13:25:56,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-13 13:25:56,167 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:56,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:56,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1431944031, now seen corresponding path program 1 times [2024-10-13 13:25:56,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:56,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5099175] [2024-10-13 13:25:56,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:56,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:56,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [22813725] [2024-10-13 13:25:56,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:56,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:56,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:56,180 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:56,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-13 13:25:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:56,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:25:56,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:56,324 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-13 13:25:56,324 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:25:56,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:56,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5099175] [2024-10-13 13:25:56,325 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:56,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22813725] [2024-10-13 13:25:56,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22813725] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:25:56,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:25:56,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:25:56,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652599812] [2024-10-13 13:25:56,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:25:56,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:25:56,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:56,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:25:56,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:56,326 INFO L87 Difference]: Start difference. First operand 692 states and 941 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:56,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:56,850 INFO L93 Difference]: Finished difference Result 746 states and 992 transitions. [2024-10-13 13:25:56,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:25:56,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 67 [2024-10-13 13:25:56,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:56,852 INFO L225 Difference]: With dead ends: 746 [2024-10-13 13:25:56,852 INFO L226 Difference]: Without dead ends: 743 [2024-10-13 13:25:56,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:25:56,853 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 119 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:56,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 177 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:25:56,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2024-10-13 13:25:56,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 701. [2024-10-13 13:25:56,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 579 states have (on average 1.4231433506044906) internal successors, (824), 639 states have internal predecessors, (824), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-10-13 13:25:56,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 948 transitions. [2024-10-13 13:25:56,879 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 948 transitions. Word has length 67 [2024-10-13 13:25:56,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:56,880 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 948 transitions. [2024-10-13 13:25:56,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:25:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 948 transitions. [2024-10-13 13:25:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-13 13:25:56,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:56,880 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:56,893 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-10-13 13:25:57,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-13 13:25:57,085 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:57,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:57,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1208303185, now seen corresponding path program 1 times [2024-10-13 13:25:57,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:57,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588505491] [2024-10-13 13:25:57,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:57,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:57,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [287882197] [2024-10-13 13:25:57,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:57,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:57,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:57,098 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:57,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-13 13:25:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:57,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:25:57,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:57,370 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-13 13:25:57,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:25:57,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:57,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588505491] [2024-10-13 13:25:57,475 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:57,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287882197] [2024-10-13 13:25:57,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287882197] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:57,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:25:57,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-13 13:25:57,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877529587] [2024-10-13 13:25:57,475 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:25:57,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:25:57,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:57,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:25:57,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:25:57,476 INFO L87 Difference]: Start difference. First operand 701 states and 948 transitions. Second operand has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:25:57,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:57,884 INFO L93 Difference]: Finished difference Result 858 states and 1165 transitions. [2024-10-13 13:25:57,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:25:57,884 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 73 [2024-10-13 13:25:57,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:57,886 INFO L225 Difference]: With dead ends: 858 [2024-10-13 13:25:57,886 INFO L226 Difference]: Without dead ends: 854 [2024-10-13 13:25:57,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:25:57,887 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 344 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:57,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 329 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:25:57,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2024-10-13 13:25:57,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 762. [2024-10-13 13:25:57,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 632 states have (on average 1.4382911392405062) internal successors, (909), 694 states have internal predecessors, (909), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 61 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-13 13:25:57,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1049 transitions. [2024-10-13 13:25:57,915 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1049 transitions. Word has length 73 [2024-10-13 13:25:57,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:57,915 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 1049 transitions. [2024-10-13 13:25:57,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:25:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1049 transitions. [2024-10-13 13:25:57,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-13 13:25:57,915 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:57,915 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:57,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-10-13 13:25:58,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-10-13 13:25:58,116 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:58,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:58,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1197306863, now seen corresponding path program 1 times [2024-10-13 13:25:58,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:58,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348521819] [2024-10-13 13:25:58,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:58,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:58,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1902048807] [2024-10-13 13:25:58,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:58,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:58,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:58,127 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:58,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-13 13:25:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:58,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:25:58,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:25:58,378 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-13 13:25:58,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:25:59,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:25:59,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348521819] [2024-10-13 13:25:59,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:25:59,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902048807] [2024-10-13 13:25:59,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902048807] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:25:59,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:25:59,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-13 13:25:59,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483517412] [2024-10-13 13:25:59,142 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:25:59,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:25:59,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:25:59,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:25:59,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:25:59,143 INFO L87 Difference]: Start difference. First operand 762 states and 1049 transitions. Second operand has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:25:59,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:25:59,593 INFO L93 Difference]: Finished difference Result 784 states and 1062 transitions. [2024-10-13 13:25:59,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:25:59,594 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 74 [2024-10-13 13:25:59,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:25:59,596 INFO L225 Difference]: With dead ends: 784 [2024-10-13 13:25:59,596 INFO L226 Difference]: Without dead ends: 778 [2024-10-13 13:25:59,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:25:59,597 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 197 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:25:59,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 394 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:25:59,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2024-10-13 13:25:59,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 756. [2024-10-13 13:25:59,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 632 states have (on average 1.389240506329114) internal successors, (878), 688 states have internal predecessors, (878), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 61 states have call predecessors, (70), 70 states have call successors, (70) [2024-10-13 13:25:59,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 1018 transitions. [2024-10-13 13:25:59,629 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 1018 transitions. Word has length 74 [2024-10-13 13:25:59,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:25:59,629 INFO L471 AbstractCegarLoop]: Abstraction has 756 states and 1018 transitions. [2024-10-13 13:25:59,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:25:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1018 transitions. [2024-10-13 13:25:59,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-13 13:25:59,630 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:25:59,630 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:25:59,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-13 13:25:59,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:59,830 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:25:59,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:25:59,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1538192979, now seen corresponding path program 1 times [2024-10-13 13:25:59,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:25:59,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715897757] [2024-10-13 13:25:59,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:59,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:25:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:25:59,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [219640339] [2024-10-13 13:25:59,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:25:59,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:25:59,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:25:59,845 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:25:59,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-13 13:25:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:25:59,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 13:25:59,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:00,393 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-13 13:26:00,394 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:00,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:00,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715897757] [2024-10-13 13:26:00,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:00,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219640339] [2024-10-13 13:26:00,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219640339] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:00,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:00,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:26:00,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692726376] [2024-10-13 13:26:00,489 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:00,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:26:00,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:00,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:26:00,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:26:00,490 INFO L87 Difference]: Start difference. First operand 756 states and 1018 transitions. Second operand has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:26:01,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:01,501 INFO L93 Difference]: Finished difference Result 993 states and 1384 transitions. [2024-10-13 13:26:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:26:01,502 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 75 [2024-10-13 13:26:01,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:01,504 INFO L225 Difference]: With dead ends: 993 [2024-10-13 13:26:01,504 INFO L226 Difference]: Without dead ends: 985 [2024-10-13 13:26:01,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:26:01,505 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 323 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:01,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 360 Invalid, 1001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 13:26:01,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 985 states. [2024-10-13 13:26:01,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 985 to 951. [2024-10-13 13:26:01,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 951 states, 807 states have (on average 1.4287484510532837) internal successors, (1153), 865 states have internal predecessors, (1153), 90 states have call successors, (90), 6 states have call predecessors, (90), 6 states have return successors, (90), 79 states have call predecessors, (90), 90 states have call successors, (90) [2024-10-13 13:26:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1333 transitions. [2024-10-13 13:26:01,542 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1333 transitions. Word has length 75 [2024-10-13 13:26:01,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:01,542 INFO L471 AbstractCegarLoop]: Abstraction has 951 states and 1333 transitions. [2024-10-13 13:26:01,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:26:01,542 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1333 transitions. [2024-10-13 13:26:01,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-13 13:26:01,543 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:01,543 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:01,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-10-13 13:26:01,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:01,747 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:01,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:01,747 INFO L85 PathProgramCache]: Analyzing trace with hash 439342163, now seen corresponding path program 1 times [2024-10-13 13:26:01,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:01,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230323178] [2024-10-13 13:26:01,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:01,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:01,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1898474957] [2024-10-13 13:26:01,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:01,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:01,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:01,768 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:01,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-13 13:26:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:01,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 13:26:01,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-13 13:26:02,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:02,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:02,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230323178] [2024-10-13 13:26:02,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:02,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898474957] [2024-10-13 13:26:02,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898474957] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:02,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:02,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:26:02,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288262269] [2024-10-13 13:26:02,834 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:02,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:26:02,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:02,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:26:02,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:26:02,836 INFO L87 Difference]: Start difference. First operand 951 states and 1333 transitions. Second operand has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:26:03,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:03,642 INFO L93 Difference]: Finished difference Result 1073 states and 1503 transitions. [2024-10-13 13:26:03,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:26:03,643 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-10-13 13:26:03,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:03,646 INFO L225 Difference]: With dead ends: 1073 [2024-10-13 13:26:03,646 INFO L226 Difference]: Without dead ends: 1071 [2024-10-13 13:26:03,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:26:03,646 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 371 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:03,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 335 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:26:03,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2024-10-13 13:26:03,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 998. [2024-10-13 13:26:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 998 states, 849 states have (on average 1.4181389870435808) internal successors, (1204), 907 states have internal predecessors, (1204), 95 states have call successors, (95), 6 states have call predecessors, (95), 6 states have return successors, (95), 84 states have call predecessors, (95), 95 states have call successors, (95) [2024-10-13 13:26:03,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 1394 transitions. [2024-10-13 13:26:03,683 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 1394 transitions. Word has length 76 [2024-10-13 13:26:03,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:03,683 INFO L471 AbstractCegarLoop]: Abstraction has 998 states and 1394 transitions. [2024-10-13 13:26:03,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:26:03,683 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1394 transitions. [2024-10-13 13:26:03,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-13 13:26:03,684 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:03,684 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:03,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-10-13 13:26:03,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-10-13 13:26:03,885 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:03,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:03,885 INFO L85 PathProgramCache]: Analyzing trace with hash 734705237, now seen corresponding path program 1 times [2024-10-13 13:26:03,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:03,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531530762] [2024-10-13 13:26:03,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:03,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:03,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [401086803] [2024-10-13 13:26:03,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:03,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:03,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:03,895 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:03,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-13 13:26:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:03,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-13 13:26:03,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:04,325 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-10-13 13:26:04,325 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:04,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:04,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531530762] [2024-10-13 13:26:04,487 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:04,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401086803] [2024-10-13 13:26:04,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401086803] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:04,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:04,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-13 13:26:04,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323296079] [2024-10-13 13:26:04,488 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:04,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:26:04,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:04,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:26:04,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:26:04,489 INFO L87 Difference]: Start difference. First operand 998 states and 1394 transitions. Second operand has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:26:05,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:05,827 INFO L93 Difference]: Finished difference Result 1082 states and 1498 transitions. [2024-10-13 13:26:05,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 13:26:05,827 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-10-13 13:26:05,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:05,830 INFO L225 Difference]: With dead ends: 1082 [2024-10-13 13:26:05,830 INFO L226 Difference]: Without dead ends: 996 [2024-10-13 13:26:05,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:26:05,831 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 446 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 1537 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 1579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:05,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 358 Invalid, 1579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1537 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 13:26:05,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2024-10-13 13:26:05,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 864. [2024-10-13 13:26:05,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 731 states have (on average 1.4227086183310533) internal successors, (1040), 787 states have internal predecessors, (1040), 79 states have call successors, (79), 6 states have call predecessors, (79), 6 states have return successors, (79), 70 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-13 13:26:05,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1198 transitions. [2024-10-13 13:26:05,897 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1198 transitions. Word has length 77 [2024-10-13 13:26:05,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:05,898 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1198 transitions. [2024-10-13 13:26:05,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 11 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:26:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1198 transitions. [2024-10-13 13:26:05,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-10-13 13:26:05,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:05,898 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:05,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-13 13:26:06,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-10-13 13:26:06,099 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:06,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:06,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1301025941, now seen corresponding path program 1 times [2024-10-13 13:26:06,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:06,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635439830] [2024-10-13 13:26:06,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:06,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:06,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [636752726] [2024-10-13 13:26:06,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:06,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:06,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:06,120 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:06,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-13 13:26:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:06,160 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:26:06,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-13 13:26:06,420 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:06,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:06,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635439830] [2024-10-13 13:26:06,902 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:06,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636752726] [2024-10-13 13:26:06,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636752726] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:06,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:06,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-13 13:26:06,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316012499] [2024-10-13 13:26:06,902 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:06,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:26:06,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:06,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:26:06,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:26:06,903 INFO L87 Difference]: Start difference. First operand 864 states and 1198 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:26:08,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:08,142 INFO L93 Difference]: Finished difference Result 948 states and 1314 transitions. [2024-10-13 13:26:08,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:26:08,142 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 78 [2024-10-13 13:26:08,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:08,145 INFO L225 Difference]: With dead ends: 948 [2024-10-13 13:26:08,145 INFO L226 Difference]: Without dead ends: 944 [2024-10-13 13:26:08,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:26:08,146 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 179 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:08,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 381 Invalid, 707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 13:26:08,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2024-10-13 13:26:08,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 926. [2024-10-13 13:26:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 789 states have (on average 1.4081115335868188) internal successors, (1111), 843 states have internal predecessors, (1111), 85 states have call successors, (85), 6 states have call predecessors, (85), 6 states have return successors, (85), 76 states have call predecessors, (85), 85 states have call successors, (85) [2024-10-13 13:26:08,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1281 transitions. [2024-10-13 13:26:08,180 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1281 transitions. Word has length 78 [2024-10-13 13:26:08,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:08,180 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1281 transitions. [2024-10-13 13:26:08,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:26:08,180 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1281 transitions. [2024-10-13 13:26:08,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-13 13:26:08,181 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:08,181 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:08,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-13 13:26:08,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:08,382 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:08,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:08,382 INFO L85 PathProgramCache]: Analyzing trace with hash 2045201422, now seen corresponding path program 1 times [2024-10-13 13:26:08,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:08,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330752589] [2024-10-13 13:26:08,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:08,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:08,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1734406841] [2024-10-13 13:26:08,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:08,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:08,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:08,392 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:08,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-13 13:26:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:08,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:26:08,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:08,659 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-13 13:26:08,659 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:09,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:09,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330752589] [2024-10-13 13:26:09,964 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:09,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734406841] [2024-10-13 13:26:09,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734406841] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:09,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:09,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-13 13:26:09,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528978162] [2024-10-13 13:26:09,964 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:09,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:26:09,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:09,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:26:09,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-10-13 13:26:09,965 INFO L87 Difference]: Start difference. First operand 926 states and 1281 transitions. Second operand has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-13 13:26:10,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:10,492 INFO L93 Difference]: Finished difference Result 1176 states and 1663 transitions. [2024-10-13 13:26:10,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:26:10,492 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 84 [2024-10-13 13:26:10,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:10,496 INFO L225 Difference]: With dead ends: 1176 [2024-10-13 13:26:10,496 INFO L226 Difference]: Without dead ends: 1174 [2024-10-13 13:26:10,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-10-13 13:26:10,497 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 295 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:10,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 325 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:26:10,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2024-10-13 13:26:10,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1132. [2024-10-13 13:26:10,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 972 states have (on average 1.4423868312757202) internal successors, (1402), 1027 states have internal predecessors, (1402), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 98 states have call predecessors, (108), 108 states have call successors, (108) [2024-10-13 13:26:10,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1618 transitions. [2024-10-13 13:26:10,543 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1618 transitions. Word has length 84 [2024-10-13 13:26:10,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:10,543 INFO L471 AbstractCegarLoop]: Abstraction has 1132 states and 1618 transitions. [2024-10-13 13:26:10,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-13 13:26:10,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1618 transitions. [2024-10-13 13:26:10,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-13 13:26:10,543 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:10,544 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:10,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-10-13 13:26:10,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:10,745 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:10,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:10,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1023265279, now seen corresponding path program 1 times [2024-10-13 13:26:10,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:10,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867184917] [2024-10-13 13:26:10,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:10,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:10,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1594957194] [2024-10-13 13:26:10,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:10,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:10,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:10,755 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:10,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-13 13:26:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:10,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:26:10,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:11,028 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-13 13:26:11,028 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:12,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:12,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867184917] [2024-10-13 13:26:12,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:12,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594957194] [2024-10-13 13:26:12,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594957194] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:12,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:12,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-13 13:26:12,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382146277] [2024-10-13 13:26:12,915 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:12,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:26:12,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:12,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:26:12,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-10-13 13:26:12,916 INFO L87 Difference]: Start difference. First operand 1132 states and 1618 transitions. Second operand has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-13 13:26:13,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:13,272 INFO L93 Difference]: Finished difference Result 1137 states and 1618 transitions. [2024-10-13 13:26:13,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:26:13,272 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 85 [2024-10-13 13:26:13,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:13,275 INFO L225 Difference]: With dead ends: 1137 [2024-10-13 13:26:13,275 INFO L226 Difference]: Without dead ends: 1131 [2024-10-13 13:26:13,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2024-10-13 13:26:13,276 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 152 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:13,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 312 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:26:13,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2024-10-13 13:26:13,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 924. [2024-10-13 13:26:13,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 792 states have (on average 1.3484848484848484) internal successors, (1068), 838 states have internal predecessors, (1068), 86 states have call successors, (86), 6 states have call predecessors, (86), 6 states have return successors, (86), 79 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 13:26:13,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1240 transitions. [2024-10-13 13:26:13,313 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1240 transitions. Word has length 85 [2024-10-13 13:26:13,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:13,313 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1240 transitions. [2024-10-13 13:26:13,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-13 13:26:13,314 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1240 transitions. [2024-10-13 13:26:13,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-13 13:26:13,314 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:13,318 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:13,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-10-13 13:26:13,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:13,519 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:13,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:13,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1582020818, now seen corresponding path program 1 times [2024-10-13 13:26:13,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:13,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103290724] [2024-10-13 13:26:13,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:13,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:13,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [607179498] [2024-10-13 13:26:13,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:13,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:13,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:13,528 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:13,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-13 13:26:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:13,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-13 13:26:13,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:13,858 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 9 proven. 29 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-10-13 13:26:13,858 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:14,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:14,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103290724] [2024-10-13 13:26:14,013 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:14,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607179498] [2024-10-13 13:26:14,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607179498] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:14,013 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:14,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-13 13:26:14,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846984740] [2024-10-13 13:26:14,013 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:14,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:26:14,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:14,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:26:14,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:26:14,016 INFO L87 Difference]: Start difference. First operand 924 states and 1240 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-13 13:26:15,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:15,077 INFO L93 Difference]: Finished difference Result 1168 states and 1609 transitions. [2024-10-13 13:26:15,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 13:26:15,078 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 88 [2024-10-13 13:26:15,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:15,081 INFO L225 Difference]: With dead ends: 1168 [2024-10-13 13:26:15,081 INFO L226 Difference]: Without dead ends: 1164 [2024-10-13 13:26:15,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:26:15,082 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 361 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:15,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 328 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 13:26:15,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2024-10-13 13:26:15,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1046. [2024-10-13 13:26:15,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 900 states have (on average 1.3722222222222222) internal successors, (1235), 948 states have internal predecessors, (1235), 100 states have call successors, (100), 6 states have call predecessors, (100), 6 states have return successors, (100), 91 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 13:26:15,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1435 transitions. [2024-10-13 13:26:15,126 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1435 transitions. Word has length 88 [2024-10-13 13:26:15,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:15,126 INFO L471 AbstractCegarLoop]: Abstraction has 1046 states and 1435 transitions. [2024-10-13 13:26:15,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 10 states have internal predecessors, (65), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-13 13:26:15,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1435 transitions. [2024-10-13 13:26:15,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-10-13 13:26:15,127 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:15,127 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 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] [2024-10-13 13:26:15,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-13 13:26:15,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-13 13:26:15,332 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:15,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:15,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1798005189, now seen corresponding path program 1 times [2024-10-13 13:26:15,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:15,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538064076] [2024-10-13 13:26:15,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:15,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:15,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1616374602] [2024-10-13 13:26:15,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:15,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:15,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:15,342 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:15,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-13 13:26:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:15,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:26:15,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:15,697 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-10-13 13:26:15,697 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:17,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:17,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538064076] [2024-10-13 13:26:17,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:17,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616374602] [2024-10-13 13:26:17,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616374602] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:17,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:17,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-10-13 13:26:17,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417652311] [2024-10-13 13:26:17,079 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:17,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:26:17,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:17,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:26:17,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-10-13 13:26:17,080 INFO L87 Difference]: Start difference. First operand 1046 states and 1435 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-13 13:26:18,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:18,191 INFO L93 Difference]: Finished difference Result 1099 states and 1511 transitions. [2024-10-13 13:26:18,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:26:18,191 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 89 [2024-10-13 13:26:18,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:18,194 INFO L225 Difference]: With dead ends: 1099 [2024-10-13 13:26:18,194 INFO L226 Difference]: Without dead ends: 1095 [2024-10-13 13:26:18,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2024-10-13 13:26:18,195 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 229 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:18,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 354 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 13:26:18,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1095 states. [2024-10-13 13:26:18,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1095 to 1077. [2024-10-13 13:26:18,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 930 states have (on average 1.3655913978494623) internal successors, (1270), 975 states have internal predecessors, (1270), 103 states have call successors, (103), 6 states have call predecessors, (103), 6 states have return successors, (103), 95 states have call predecessors, (103), 103 states have call successors, (103) [2024-10-13 13:26:18,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1476 transitions. [2024-10-13 13:26:18,265 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1476 transitions. Word has length 89 [2024-10-13 13:26:18,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:18,265 INFO L471 AbstractCegarLoop]: Abstraction has 1077 states and 1476 transitions. [2024-10-13 13:26:18,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-13 13:26:18,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1476 transitions. [2024-10-13 13:26:18,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-13 13:26:18,266 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:18,266 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:18,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-10-13 13:26:18,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-10-13 13:26:18,471 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:18,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:18,471 INFO L85 PathProgramCache]: Analyzing trace with hash -22969960, now seen corresponding path program 1 times [2024-10-13 13:26:18,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:18,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673166636] [2024-10-13 13:26:18,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:18,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:18,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:26:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:18,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:26:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:18,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:26:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:18,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:26:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:18,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:26:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:18,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 13:26:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:18,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 13:26:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:18,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 13:26:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:18,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:18,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673166636] [2024-10-13 13:26:18,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673166636] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:18,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168857375] [2024-10-13 13:26:18,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:18,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:18,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:18,577 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:18,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-13 13:26:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:18,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:26:18,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:18,819 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:18,820 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:18,944 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:18,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168857375] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:26:18,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:26:18,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-13 13:26:18,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529535854] [2024-10-13 13:26:18,945 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:18,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:26:18,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:18,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:26:18,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:26:18,946 INFO L87 Difference]: Start difference. First operand 1077 states and 1476 transitions. Second operand has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-13 13:26:19,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:19,675 INFO L93 Difference]: Finished difference Result 1217 states and 1597 transitions. [2024-10-13 13:26:19,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 13:26:19,676 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 98 [2024-10-13 13:26:19,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:19,679 INFO L225 Difference]: With dead ends: 1217 [2024-10-13 13:26:19,679 INFO L226 Difference]: Without dead ends: 1216 [2024-10-13 13:26:19,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2024-10-13 13:26:19,680 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 1206 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1212 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:19,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1212 Valid, 370 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:26:19,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2024-10-13 13:26:19,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1127. [2024-10-13 13:26:19,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 974 states have (on average 1.3593429158110883) internal successors, (1324), 1019 states have internal predecessors, (1324), 109 states have call successors, (109), 6 states have call predecessors, (109), 6 states have return successors, (109), 101 states have call predecessors, (109), 109 states have call successors, (109) [2024-10-13 13:26:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1542 transitions. [2024-10-13 13:26:19,733 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1542 transitions. Word has length 98 [2024-10-13 13:26:19,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:19,733 INFO L471 AbstractCegarLoop]: Abstraction has 1127 states and 1542 transitions. [2024-10-13 13:26:19,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 18.0) internal successors, (180), 11 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-13 13:26:19,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1542 transitions. [2024-10-13 13:26:19,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-13 13:26:19,734 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:19,734 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:19,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-13 13:26:19,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-13 13:26:19,935 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:19,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:19,935 INFO L85 PathProgramCache]: Analyzing trace with hash -22983862, now seen corresponding path program 1 times [2024-10-13 13:26:19,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:19,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603674275] [2024-10-13 13:26:19,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:19,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:19,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:26:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:19,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:26:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:19,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:26:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:19,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:26:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:19,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:26:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:19,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 13:26:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:19,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 13:26:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:19,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 13:26:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:19,999 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:19,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:19,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603674275] [2024-10-13 13:26:19,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603674275] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:19,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975948893] [2024-10-13 13:26:19,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:19,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:19,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:20,001 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:20,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-13 13:26:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:20,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:26:20,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:20,175 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:20,175 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:20,306 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:20,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975948893] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:26:20,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:26:20,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-10-13 13:26:20,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964168895] [2024-10-13 13:26:20,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:20,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-13 13:26:20,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:20,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-13 13:26:20,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:26:20,308 INFO L87 Difference]: Start difference. First operand 1127 states and 1542 transitions. Second operand has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-13 13:26:21,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:21,779 INFO L93 Difference]: Finished difference Result 1668 states and 2198 transitions. [2024-10-13 13:26:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-13 13:26:21,779 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 98 [2024-10-13 13:26:21,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:21,783 INFO L225 Difference]: With dead ends: 1668 [2024-10-13 13:26:21,783 INFO L226 Difference]: Without dead ends: 1666 [2024-10-13 13:26:21,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1095 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=910, Invalid=2630, Unknown=0, NotChecked=0, Total=3540 [2024-10-13 13:26:21,785 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 2141 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 869 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2141 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 869 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:21,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2141 Valid, 768 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 869 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 13:26:21,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2024-10-13 13:26:21,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1270. [2024-10-13 13:26:21,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 1104 states have (on average 1.3677536231884058) internal successors, (1510), 1149 states have internal predecessors, (1510), 122 states have call successors, (122), 6 states have call predecessors, (122), 6 states have return successors, (122), 114 states have call predecessors, (122), 122 states have call successors, (122) [2024-10-13 13:26:21,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1754 transitions. [2024-10-13 13:26:21,866 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1754 transitions. Word has length 98 [2024-10-13 13:26:21,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:21,866 INFO L471 AbstractCegarLoop]: Abstraction has 1270 states and 1754 transitions. [2024-10-13 13:26:21,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 12.0) internal successors, (180), 16 states have internal predecessors, (180), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-13 13:26:21,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1754 transitions. [2024-10-13 13:26:21,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-13 13:26:21,867 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:21,867 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-13 13:26:21,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-10-13 13:26:22,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-13 13:26:22,068 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:22,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:22,068 INFO L85 PathProgramCache]: Analyzing trace with hash -712068644, now seen corresponding path program 1 times [2024-10-13 13:26:22,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:22,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954732846] [2024-10-13 13:26:22,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:22,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:22,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:26:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:22,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:26:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:22,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:26:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:22,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:26:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:22,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:26:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:22,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 13:26:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:22,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 13:26:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:22,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 13:26:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:22,136 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:22,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:22,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954732846] [2024-10-13 13:26:22,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954732846] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:22,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891926320] [2024-10-13 13:26:22,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:22,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:22,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:22,139 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:22,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-13 13:26:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:22,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:26:22,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:22,313 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:22,314 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:22,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891926320] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:26:22,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:26:22,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-10-13 13:26:22,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005088737] [2024-10-13 13:26:22,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:22,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:26:22,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:22,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:26:22,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:26:22,409 INFO L87 Difference]: Start difference. First operand 1270 states and 1754 transitions. Second operand has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-13 13:26:23,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:23,097 INFO L93 Difference]: Finished difference Result 1690 states and 2356 transitions. [2024-10-13 13:26:23,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:26:23,098 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 99 [2024-10-13 13:26:23,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:23,108 INFO L225 Difference]: With dead ends: 1690 [2024-10-13 13:26:23,111 INFO L226 Difference]: Without dead ends: 1688 [2024-10-13 13:26:23,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:26:23,112 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 289 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:23,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 335 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:26:23,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2024-10-13 13:26:23,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1410. [2024-10-13 13:26:23,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1410 states, 1232 states have (on average 1.3733766233766234) internal successors, (1692), 1277 states have internal predecessors, (1692), 134 states have call successors, (134), 6 states have call predecessors, (134), 6 states have return successors, (134), 126 states have call predecessors, (134), 134 states have call successors, (134) [2024-10-13 13:26:23,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 1960 transitions. [2024-10-13 13:26:23,184 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 1960 transitions. Word has length 99 [2024-10-13 13:26:23,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:23,185 INFO L471 AbstractCegarLoop]: Abstraction has 1410 states and 1960 transitions. [2024-10-13 13:26:23,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.857142857142858) internal successors, (181), 8 states have internal predecessors, (181), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-13 13:26:23,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1960 transitions. [2024-10-13 13:26:23,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-10-13 13:26:23,185 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:23,185 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-13 13:26:23,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-10-13 13:26:23,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:23,388 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:23,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:23,390 INFO L85 PathProgramCache]: Analyzing trace with hash -2105962864, now seen corresponding path program 1 times [2024-10-13 13:26:23,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:23,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450878347] [2024-10-13 13:26:23,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:23,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:23,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:26:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:23,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:26:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:23,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:26:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:23,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:26:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:23,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:26:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:23,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 13:26:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:23,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 13:26:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:23,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 13:26:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:23,490 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:23,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:23,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450878347] [2024-10-13 13:26:23,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450878347] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:23,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615617204] [2024-10-13 13:26:23,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:23,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:23,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:23,495 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:23,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-13 13:26:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:23,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:26:23,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:23,702 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:23,703 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:23,789 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:23,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615617204] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:26:23,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:26:23,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-10-13 13:26:23,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600641258] [2024-10-13 13:26:23,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:23,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:26:23,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:23,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:26:23,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:26:23,793 INFO L87 Difference]: Start difference. First operand 1410 states and 1960 transitions. Second operand has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 8 states have internal predecessors, (187), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-13 13:26:24,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:24,354 INFO L93 Difference]: Finished difference Result 2002 states and 2830 transitions. [2024-10-13 13:26:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:26:24,355 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 8 states have internal predecessors, (187), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 101 [2024-10-13 13:26:24,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:24,359 INFO L225 Difference]: With dead ends: 2002 [2024-10-13 13:26:24,359 INFO L226 Difference]: Without dead ends: 2000 [2024-10-13 13:26:24,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:26:24,359 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 424 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:24,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 307 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:26:24,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2000 states. [2024-10-13 13:26:24,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2000 to 1636. [2024-10-13 13:26:24,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1437 states have (on average 1.3757828810020878) internal successors, (1977), 1482 states have internal predecessors, (1977), 155 states have call successors, (155), 6 states have call predecessors, (155), 6 states have return successors, (155), 147 states have call predecessors, (155), 155 states have call successors, (155) [2024-10-13 13:26:24,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2287 transitions. [2024-10-13 13:26:24,436 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2287 transitions. Word has length 101 [2024-10-13 13:26:24,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:24,436 INFO L471 AbstractCegarLoop]: Abstraction has 1636 states and 2287 transitions. [2024-10-13 13:26:24,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 8 states have internal predecessors, (187), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-10-13 13:26:24,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2287 transitions. [2024-10-13 13:26:24,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-13 13:26:24,437 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:24,437 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:24,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-10-13 13:26:24,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-10-13 13:26:24,641 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:24,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:24,642 INFO L85 PathProgramCache]: Analyzing trace with hash -259811330, now seen corresponding path program 1 times [2024-10-13 13:26:24,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:24,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239834447] [2024-10-13 13:26:24,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:24,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:24,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2056345670] [2024-10-13 13:26:24,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:24,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:24,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:24,658 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:24,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-13 13:26:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:24,700 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-13 13:26:24,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:25,126 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-13 13:26:25,126 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:25,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:25,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239834447] [2024-10-13 13:26:25,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:25,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056345670] [2024-10-13 13:26:25,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056345670] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:25,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:25,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-13 13:26:25,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506102610] [2024-10-13 13:26:25,211 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:25,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:26:25,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:25,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:26:25,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:26:25,212 INFO L87 Difference]: Start difference. First operand 1636 states and 2287 transitions. Second operand has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-13 13:26:26,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:26,514 INFO L93 Difference]: Finished difference Result 1700 states and 2369 transitions. [2024-10-13 13:26:26,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 13:26:26,515 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 107 [2024-10-13 13:26:26,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:26,517 INFO L225 Difference]: With dead ends: 1700 [2024-10-13 13:26:26,517 INFO L226 Difference]: Without dead ends: 1696 [2024-10-13 13:26:26,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2024-10-13 13:26:26,518 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 400 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 1743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:26,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 636 Invalid, 1743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 13:26:26,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2024-10-13 13:26:26,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1656. [2024-10-13 13:26:26,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1656 states, 1455 states have (on average 1.3718213058419244) internal successors, (1996), 1500 states have internal predecessors, (1996), 157 states have call successors, (157), 6 states have call predecessors, (157), 6 states have return successors, (157), 149 states have call predecessors, (157), 157 states have call successors, (157) [2024-10-13 13:26:26,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2310 transitions. [2024-10-13 13:26:26,603 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2310 transitions. Word has length 107 [2024-10-13 13:26:26,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:26,605 INFO L471 AbstractCegarLoop]: Abstraction has 1656 states and 2310 transitions. [2024-10-13 13:26:26,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-13 13:26:26,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2310 transitions. [2024-10-13 13:26:26,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-13 13:26:26,606 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:26,606 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:26,618 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-10-13 13:26:26,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:26,806 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:26,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:26,807 INFO L85 PathProgramCache]: Analyzing trace with hash -411970910, now seen corresponding path program 2 times [2024-10-13 13:26:26,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:26,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062679996] [2024-10-13 13:26:26,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:26,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:26,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1556484841] [2024-10-13 13:26:26,824 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:26:26,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:26,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:26,825 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:26,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-13 13:26:26,879 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:26:26,879 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:26:26,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:26:26,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:27,154 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:27,154 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:27,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:27,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062679996] [2024-10-13 13:26:27,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:27,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556484841] [2024-10-13 13:26:27,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556484841] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:27,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:27,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-13 13:26:27,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598107933] [2024-10-13 13:26:27,211 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:27,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:26:27,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:27,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:26:27,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:26:27,212 INFO L87 Difference]: Start difference. First operand 1656 states and 2310 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-13 13:26:27,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:27,970 INFO L93 Difference]: Finished difference Result 1744 states and 2423 transitions. [2024-10-13 13:26:27,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:26:27,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 107 [2024-10-13 13:26:27,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:27,973 INFO L225 Difference]: With dead ends: 1744 [2024-10-13 13:26:27,973 INFO L226 Difference]: Without dead ends: 1740 [2024-10-13 13:26:27,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:26:27,974 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 218 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:27,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 256 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:26:27,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2024-10-13 13:26:28,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1634. [2024-10-13 13:26:28,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1439 states have (on average 1.3224461431549688) internal successors, (1903), 1480 states have internal predecessors, (1903), 155 states have call successors, (155), 6 states have call predecessors, (155), 6 states have return successors, (155), 147 states have call predecessors, (155), 155 states have call successors, (155) [2024-10-13 13:26:28,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2213 transitions. [2024-10-13 13:26:28,050 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2213 transitions. Word has length 107 [2024-10-13 13:26:28,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:28,050 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2213 transitions. [2024-10-13 13:26:28,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-13 13:26:28,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2213 transitions. [2024-10-13 13:26:28,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-13 13:26:28,051 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:28,051 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:28,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-10-13 13:26:28,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:28,256 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:28,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:28,256 INFO L85 PathProgramCache]: Analyzing trace with hash 535783415, now seen corresponding path program 1 times [2024-10-13 13:26:28,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:28,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191880580] [2024-10-13 13:26:28,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:28,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:28,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1492063436] [2024-10-13 13:26:28,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:28,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:28,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:28,267 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:28,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-10-13 13:26:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:28,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-10-13 13:26:28,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:28,739 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-10-13 13:26:28,739 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:29,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:29,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191880580] [2024-10-13 13:26:29,083 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:29,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492063436] [2024-10-13 13:26:29,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492063436] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:29,083 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:29,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-13 13:26:29,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850660223] [2024-10-13 13:26:29,083 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:29,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:26:29,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:29,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:26:29,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:26:29,084 INFO L87 Difference]: Start difference. First operand 1634 states and 2213 transitions. Second operand has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-13 13:26:29,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:29,737 INFO L93 Difference]: Finished difference Result 1663 states and 2241 transitions. [2024-10-13 13:26:29,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:26:29,737 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 108 [2024-10-13 13:26:29,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:29,740 INFO L225 Difference]: With dead ends: 1663 [2024-10-13 13:26:29,740 INFO L226 Difference]: Without dead ends: 1661 [2024-10-13 13:26:29,741 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2024-10-13 13:26:29,741 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 389 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:29,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 275 Invalid, 706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:26:29,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2024-10-13 13:26:29,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1634. [2024-10-13 13:26:29,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1439 states have (on average 1.3210562890896456) internal successors, (1901), 1480 states have internal predecessors, (1901), 155 states have call successors, (155), 6 states have call predecessors, (155), 6 states have return successors, (155), 147 states have call predecessors, (155), 155 states have call successors, (155) [2024-10-13 13:26:29,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2211 transitions. [2024-10-13 13:26:29,834 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2211 transitions. Word has length 108 [2024-10-13 13:26:29,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:29,834 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2211 transitions. [2024-10-13 13:26:29,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-13 13:26:29,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2211 transitions. [2024-10-13 13:26:29,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-13 13:26:29,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:29,835 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:29,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-10-13 13:26:30,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-10-13 13:26:30,036 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:30,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:30,036 INFO L85 PathProgramCache]: Analyzing trace with hash 113803731, now seen corresponding path program 2 times [2024-10-13 13:26:30,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:30,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102996456] [2024-10-13 13:26:30,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:30,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:30,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1906173582] [2024-10-13 13:26:30,050 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:26:30,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:30,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:30,051 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:30,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-10-13 13:26:30,094 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:26:30,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:26:30,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-13 13:26:30,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:30,386 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:30,386 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:31,015 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:31,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:31,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102996456] [2024-10-13 13:26:31,015 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:31,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906173582] [2024-10-13 13:26:31,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906173582] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:26:31,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:26:31,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-13 13:26:31,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856515442] [2024-10-13 13:26:31,016 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:31,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:26:31,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:31,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:26:31,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:26:31,018 INFO L87 Difference]: Start difference. First operand 1634 states and 2211 transitions. Second operand has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 13:26:35,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:35,204 INFO L93 Difference]: Finished difference Result 1717 states and 2295 transitions. [2024-10-13 13:26:35,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:26:35,209 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 108 [2024-10-13 13:26:35,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:35,212 INFO L225 Difference]: With dead ends: 1717 [2024-10-13 13:26:35,212 INFO L226 Difference]: Without dead ends: 1714 [2024-10-13 13:26:35,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:26:35,213 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 541 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:35,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 484 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-10-13 13:26:35,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1714 states. [2024-10-13 13:26:35,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1714 to 1648. [2024-10-13 13:26:35,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 1452 states have (on average 1.315426997245179) internal successors, (1910), 1493 states have internal predecessors, (1910), 156 states have call successors, (156), 6 states have call predecessors, (156), 6 states have return successors, (156), 148 states have call predecessors, (156), 156 states have call successors, (156) [2024-10-13 13:26:35,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2222 transitions. [2024-10-13 13:26:35,304 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2222 transitions. Word has length 108 [2024-10-13 13:26:35,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:35,305 INFO L471 AbstractCegarLoop]: Abstraction has 1648 states and 2222 transitions. [2024-10-13 13:26:35,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 13:26:35,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2222 transitions. [2024-10-13 13:26:35,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-13 13:26:35,306 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:35,306 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:35,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-10-13 13:26:35,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-10-13 13:26:35,507 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:35,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:35,507 INFO L85 PathProgramCache]: Analyzing trace with hash -2071548660, now seen corresponding path program 1 times [2024-10-13 13:26:35,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:35,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971532186] [2024-10-13 13:26:35,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:35,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:35,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:26:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:35,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:26:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:35,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:26:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:35,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:26:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:35,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:26:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:35,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 13:26:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:35,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 13:26:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:35,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 13:26:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:35,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 13:26:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:35,582 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-13 13:26:35,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:35,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971532186] [2024-10-13 13:26:35,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971532186] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:26:35,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:26:35,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:26:35,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173050970] [2024-10-13 13:26:35,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:26:35,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:26:35,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:35,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:26:35,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:26:35,583 INFO L87 Difference]: Start difference. First operand 1648 states and 2222 transitions. Second operand has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-13 13:26:37,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:37,263 INFO L93 Difference]: Finished difference Result 1692 states and 2265 transitions. [2024-10-13 13:26:37,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:26:37,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 110 [2024-10-13 13:26:37,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:37,266 INFO L225 Difference]: With dead ends: 1692 [2024-10-13 13:26:37,266 INFO L226 Difference]: Without dead ends: 1674 [2024-10-13 13:26:37,266 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:26:37,266 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 239 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:37,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 233 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-13 13:26:37,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2024-10-13 13:26:37,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1636. [2024-10-13 13:26:37,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1443 states have (on average 1.3111573111573112) internal successors, (1892), 1482 states have internal predecessors, (1892), 153 states have call successors, (153), 6 states have call predecessors, (153), 6 states have return successors, (153), 147 states have call predecessors, (153), 153 states have call successors, (153) [2024-10-13 13:26:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2198 transitions. [2024-10-13 13:26:37,349 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2198 transitions. Word has length 110 [2024-10-13 13:26:37,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:37,349 INFO L471 AbstractCegarLoop]: Abstraction has 1636 states and 2198 transitions. [2024-10-13 13:26:37,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.2) internal successors, (71), 6 states have internal predecessors, (71), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-13 13:26:37,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2198 transitions. [2024-10-13 13:26:37,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-13 13:26:37,350 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:37,350 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:37,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-10-13 13:26:37,350 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:37,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:37,351 INFO L85 PathProgramCache]: Analyzing trace with hash -508211943, now seen corresponding path program 1 times [2024-10-13 13:26:37,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:37,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352928174] [2024-10-13 13:26:37,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:37,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:37,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113101268] [2024-10-13 13:26:37,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:37,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:37,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:37,361 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:37,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-10-13 13:26:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:37,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:26:37,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:37,696 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:37,696 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:37,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:37,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352928174] [2024-10-13 13:26:37,971 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:37,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113101268] [2024-10-13 13:26:37,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113101268] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:37,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:37,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-13 13:26:37,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494090264] [2024-10-13 13:26:37,972 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:37,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:26:37,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:37,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:26:37,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:26:37,973 INFO L87 Difference]: Start difference. First operand 1636 states and 2198 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-13 13:26:38,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:38,686 INFO L93 Difference]: Finished difference Result 1656 states and 2218 transitions. [2024-10-13 13:26:38,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:26:38,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 110 [2024-10-13 13:26:38,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:38,689 INFO L225 Difference]: With dead ends: 1656 [2024-10-13 13:26:38,689 INFO L226 Difference]: Without dead ends: 1654 [2024-10-13 13:26:38,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:26:38,690 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 88 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:38,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 253 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:26:38,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2024-10-13 13:26:38,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1636. [2024-10-13 13:26:38,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1443 states have (on average 1.3097713097713097) internal successors, (1890), 1482 states have internal predecessors, (1890), 153 states have call successors, (153), 6 states have call predecessors, (153), 6 states have return successors, (153), 147 states have call predecessors, (153), 153 states have call successors, (153) [2024-10-13 13:26:38,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2196 transitions. [2024-10-13 13:26:38,806 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2196 transitions. Word has length 110 [2024-10-13 13:26:38,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:38,808 INFO L471 AbstractCegarLoop]: Abstraction has 1636 states and 2196 transitions. [2024-10-13 13:26:38,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 5 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-13 13:26:38,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2196 transitions. [2024-10-13 13:26:38,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-13 13:26:38,808 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:38,808 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:38,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-10-13 13:26:39,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-10-13 13:26:39,009 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:39,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:39,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1991204853, now seen corresponding path program 2 times [2024-10-13 13:26:39,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:39,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402354731] [2024-10-13 13:26:39,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:39,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:39,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [161767594] [2024-10-13 13:26:39,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:26:39,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:39,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:39,024 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:39,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-10-13 13:26:39,077 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:26:39,077 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:26:39,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-13 13:26:39,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:39,506 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:40,625 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:40,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:40,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402354731] [2024-10-13 13:26:40,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:40,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161767594] [2024-10-13 13:26:40,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161767594] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:26:40,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:26:40,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-10-13 13:26:40,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868280985] [2024-10-13 13:26:40,626 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:40,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:26:40,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:40,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:26:40,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:26:40,626 INFO L87 Difference]: Start difference. First operand 1636 states and 2196 transitions. Second operand has 9 states, 8 states have (on average 18.125) internal successors, (145), 9 states have internal predecessors, (145), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 13:26:47,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:47,102 INFO L93 Difference]: Finished difference Result 1660 states and 2221 transitions. [2024-10-13 13:26:47,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:26:47,103 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.125) internal successors, (145), 9 states have internal predecessors, (145), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 110 [2024-10-13 13:26:47,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:47,105 INFO L225 Difference]: With dead ends: 1660 [2024-10-13 13:26:47,105 INFO L226 Difference]: Without dead ends: 1658 [2024-10-13 13:26:47,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:26:47,106 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 252 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 906 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:47,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 419 Invalid, 938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 906 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-10-13 13:26:47,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2024-10-13 13:26:47,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1640. [2024-10-13 13:26:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1640 states, 1447 states have (on average 1.3054595715272979) internal successors, (1889), 1486 states have internal predecessors, (1889), 153 states have call successors, (153), 6 states have call predecessors, (153), 6 states have return successors, (153), 147 states have call predecessors, (153), 153 states have call successors, (153) [2024-10-13 13:26:47,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 2195 transitions. [2024-10-13 13:26:47,213 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 2195 transitions. Word has length 110 [2024-10-13 13:26:47,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:47,213 INFO L471 AbstractCegarLoop]: Abstraction has 1640 states and 2195 transitions. [2024-10-13 13:26:47,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.125) internal successors, (145), 9 states have internal predecessors, (145), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 13:26:47,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2195 transitions. [2024-10-13 13:26:47,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-10-13 13:26:47,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:47,214 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:47,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-10-13 13:26:47,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-10-13 13:26:47,416 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:47,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:47,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1425299010, now seen corresponding path program 1 times [2024-10-13 13:26:47,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:47,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027468193] [2024-10-13 13:26:47,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:47,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:47,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [660574108] [2024-10-13 13:26:47,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:47,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:47,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:47,434 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:47,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-10-13 13:26:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:47,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 13:26:47,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:47,838 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:47,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:48,541 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-10-13 13:26:48,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:48,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027468193] [2024-10-13 13:26:48,541 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:48,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [660574108] [2024-10-13 13:26:48,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [660574108] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:48,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:48,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-13 13:26:48,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092736291] [2024-10-13 13:26:48,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:26:48,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:26:48,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:48,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:26:48,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:26:48,543 INFO L87 Difference]: Start difference. First operand 1640 states and 2195 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:26:50,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:50,890 INFO L93 Difference]: Finished difference Result 1640 states and 2195 transitions. [2024-10-13 13:26:50,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:26:50,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 111 [2024-10-13 13:26:50,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:50,893 INFO L225 Difference]: With dead ends: 1640 [2024-10-13 13:26:50,893 INFO L226 Difference]: Without dead ends: 1639 [2024-10-13 13:26:50,894 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 211 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:26:50,894 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 93 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:50,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 128 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-13 13:26:50,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2024-10-13 13:26:51,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1639. [2024-10-13 13:26:51,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 1447 states have (on average 1.2881824464409122) internal successors, (1864), 1485 states have internal predecessors, (1864), 153 states have call successors, (153), 6 states have call predecessors, (153), 6 states have return successors, (153), 147 states have call predecessors, (153), 153 states have call successors, (153) [2024-10-13 13:26:51,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 2170 transitions. [2024-10-13 13:26:51,028 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 2170 transitions. Word has length 111 [2024-10-13 13:26:51,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:51,029 INFO L471 AbstractCegarLoop]: Abstraction has 1639 states and 2170 transitions. [2024-10-13 13:26:51,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:26:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2170 transitions. [2024-10-13 13:26:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-13 13:26:51,029 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:51,029 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:51,042 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-10-13 13:26:51,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-10-13 13:26:51,230 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:51,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:51,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1234596411, now seen corresponding path program 1 times [2024-10-13 13:26:51,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:51,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465138874] [2024-10-13 13:26:51,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:51,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:51,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [804681269] [2024-10-13 13:26:51,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:51,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:51,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:51,243 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:51,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-10-13 13:26:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:51,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 13:26:51,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-13 13:26:51,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:52,340 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-10-13 13:26:52,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:52,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465138874] [2024-10-13 13:26:52,341 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:52,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804681269] [2024-10-13 13:26:52,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804681269] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:52,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:52,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-10-13 13:26:52,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713397709] [2024-10-13 13:26:52,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:26:52,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:26:52,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:52,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:26:52,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:26:52,342 INFO L87 Difference]: Start difference. First operand 1639 states and 2170 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:26:54,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:54,965 INFO L93 Difference]: Finished difference Result 1639 states and 2170 transitions. [2024-10-13 13:26:54,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:26:54,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 112 [2024-10-13 13:26:54,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:54,968 INFO L225 Difference]: With dead ends: 1639 [2024-10-13 13:26:54,968 INFO L226 Difference]: Without dead ends: 1636 [2024-10-13 13:26:54,968 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 213 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:26:54,969 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 93 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:54,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 128 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-13 13:26:54,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2024-10-13 13:26:55,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1636. [2024-10-13 13:26:55,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1447 states have (on average 1.2570836212854182) internal successors, (1819), 1482 states have internal predecessors, (1819), 153 states have call successors, (153), 6 states have call predecessors, (153), 6 states have return successors, (153), 147 states have call predecessors, (153), 153 states have call successors, (153) [2024-10-13 13:26:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2125 transitions. [2024-10-13 13:26:55,083 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2125 transitions. Word has length 112 [2024-10-13 13:26:55,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:55,083 INFO L471 AbstractCegarLoop]: Abstraction has 1636 states and 2125 transitions. [2024-10-13 13:26:55,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:26:55,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2125 transitions. [2024-10-13 13:26:55,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-13 13:26:55,084 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:55,084 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:55,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-10-13 13:26:55,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-10-13 13:26:55,286 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:55,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:55,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1937164103, now seen corresponding path program 2 times [2024-10-13 13:26:55,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:55,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154620243] [2024-10-13 13:26:55,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:55,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:55,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1629130212] [2024-10-13 13:26:55,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:26:55,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:55,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:55,305 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:55,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-10-13 13:26:55,349 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:26:55,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:26:55,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 13:26:55,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 3 proven. 57 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-10-13 13:26:55,720 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:57,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:57,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154620243] [2024-10-13 13:26:57,108 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:57,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629130212] [2024-10-13 13:26:57,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629130212] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:57,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:57,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:26:57,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925393774] [2024-10-13 13:26:57,108 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:57,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:26:57,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:57,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:26:57,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2024-10-13 13:26:57,109 INFO L87 Difference]: Start difference. First operand 1636 states and 2125 transitions. Second operand has 9 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-13 13:26:57,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:57,594 INFO L93 Difference]: Finished difference Result 2046 states and 2661 transitions. [2024-10-13 13:26:57,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:26:57,594 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 118 [2024-10-13 13:26:57,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:57,597 INFO L225 Difference]: With dead ends: 2046 [2024-10-13 13:26:57,597 INFO L226 Difference]: Without dead ends: 2044 [2024-10-13 13:26:57,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=42, Invalid=89, Unknown=1, NotChecked=0, Total=132 [2024-10-13 13:26:57,598 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 370 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:57,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 428 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:26:57,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2024-10-13 13:26:57,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1675. [2024-10-13 13:26:57,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1482 states have (on average 1.2591093117408907) internal successors, (1866), 1517 states have internal predecessors, (1866), 157 states have call successors, (157), 6 states have call predecessors, (157), 6 states have return successors, (157), 151 states have call predecessors, (157), 157 states have call successors, (157) [2024-10-13 13:26:57,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2180 transitions. [2024-10-13 13:26:57,699 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2180 transitions. Word has length 118 [2024-10-13 13:26:57,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:57,699 INFO L471 AbstractCegarLoop]: Abstraction has 1675 states and 2180 transitions. [2024-10-13 13:26:57,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 11.714285714285714) internal successors, (82), 8 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-13 13:26:57,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2180 transitions. [2024-10-13 13:26:57,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-13 13:26:57,700 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:57,700 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:57,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-10-13 13:26:57,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:57,905 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:26:57,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:26:57,905 INFO L85 PathProgramCache]: Analyzing trace with hash 137011819, now seen corresponding path program 1 times [2024-10-13 13:26:57,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:26:57,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640881527] [2024-10-13 13:26:57,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:57,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:26:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:26:57,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1221246676] [2024-10-13 13:26:57,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:26:57,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:26:57,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:26:57,919 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:26:57,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-10-13 13:26:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:26:57,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 13:26:57,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:26:58,431 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-10-13 13:26:58,432 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:26:58,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:26:58,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640881527] [2024-10-13 13:26:58,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:26:58,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221246676] [2024-10-13 13:26:58,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221246676] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:26:58,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:26:58,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-13 13:26:58,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448628808] [2024-10-13 13:26:58,835 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:26:58,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:26:58,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:26:58,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:26:58,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:26:58,836 INFO L87 Difference]: Start difference. First operand 1675 states and 2180 transitions. Second operand has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 10 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-13 13:26:59,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:26:59,753 INFO L93 Difference]: Finished difference Result 1792 states and 2331 transitions. [2024-10-13 13:26:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:26:59,754 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 10 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 121 [2024-10-13 13:26:59,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:26:59,757 INFO L225 Difference]: With dead ends: 1792 [2024-10-13 13:26:59,760 INFO L226 Difference]: Without dead ends: 1791 [2024-10-13 13:26:59,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:26:59,761 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 171 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:26:59,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 571 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1111 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 13:26:59,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1791 states. [2024-10-13 13:26:59,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1791 to 1675. [2024-10-13 13:26:59,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1675 states, 1482 states have (on average 1.2584345479082322) internal successors, (1865), 1517 states have internal predecessors, (1865), 157 states have call successors, (157), 6 states have call predecessors, (157), 6 states have return successors, (157), 151 states have call predecessors, (157), 157 states have call successors, (157) [2024-10-13 13:26:59,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1675 states and 2179 transitions. [2024-10-13 13:26:59,893 INFO L78 Accepts]: Start accepts. Automaton has 1675 states and 2179 transitions. Word has length 121 [2024-10-13 13:26:59,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:26:59,894 INFO L471 AbstractCegarLoop]: Abstraction has 1675 states and 2179 transitions. [2024-10-13 13:26:59,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.11111111111111) internal successors, (82), 10 states have internal predecessors, (82), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-13 13:26:59,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 2179 transitions. [2024-10-13 13:26:59,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-13 13:26:59,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:26:59,895 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:26:59,913 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-10-13 13:27:00,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-10-13 13:27:00,095 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:27:00,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:00,096 INFO L85 PathProgramCache]: Analyzing trace with hash -47600835, now seen corresponding path program 1 times [2024-10-13 13:27:00,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:00,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379520315] [2024-10-13 13:27:00,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:00,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:00,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1526117331] [2024-10-13 13:27:00,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:00,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:00,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:00,110 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:00,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-10-13 13:27:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:00,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-13 13:27:00,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:00,741 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 15 proven. 62 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-10-13 13:27:00,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:27:01,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:01,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379520315] [2024-10-13 13:27:01,461 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:01,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526117331] [2024-10-13 13:27:01,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526117331] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:01,462 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:01,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-13 13:27:01,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716650092] [2024-10-13 13:27:01,462 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:27:01,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:27:01,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:01,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:27:01,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:27:01,463 INFO L87 Difference]: Start difference. First operand 1675 states and 2179 transitions. Second operand has 11 states, 10 states have (on average 8.6) internal successors, (86), 11 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-13 13:27:02,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:02,812 INFO L93 Difference]: Finished difference Result 1794 states and 2334 transitions. [2024-10-13 13:27:02,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 13:27:02,812 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.6) internal successors, (86), 11 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 122 [2024-10-13 13:27:02,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:02,815 INFO L225 Difference]: With dead ends: 1794 [2024-10-13 13:27:02,815 INFO L226 Difference]: Without dead ends: 1761 [2024-10-13 13:27:02,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-10-13 13:27:02,816 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 85 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 1861 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:02,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 482 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1861 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 13:27:02,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2024-10-13 13:27:02,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1653. [2024-10-13 13:27:02,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1653 states, 1463 states have (on average 1.2590567327409432) internal successors, (1842), 1497 states have internal predecessors, (1842), 154 states have call successors, (154), 6 states have call predecessors, (154), 6 states have return successors, (154), 149 states have call predecessors, (154), 154 states have call successors, (154) [2024-10-13 13:27:02,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1653 states and 2150 transitions. [2024-10-13 13:27:02,929 INFO L78 Accepts]: Start accepts. Automaton has 1653 states and 2150 transitions. Word has length 122 [2024-10-13 13:27:02,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:02,930 INFO L471 AbstractCegarLoop]: Abstraction has 1653 states and 2150 transitions. [2024-10-13 13:27:02,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.6) internal successors, (86), 11 states have internal predecessors, (86), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-13 13:27:02,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2150 transitions. [2024-10-13 13:27:02,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-13 13:27:02,930 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:02,931 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:02,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-10-13 13:27:03,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:03,131 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:27:03,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:03,132 INFO L85 PathProgramCache]: Analyzing trace with hash -979467738, now seen corresponding path program 2 times [2024-10-13 13:27:03,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:03,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867660268] [2024-10-13 13:27:03,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:03,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:03,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:03,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [232022395] [2024-10-13 13:27:03,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:27:03,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:03,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:03,143 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:03,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-10-13 13:27:03,187 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:27:03,188 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:27:03,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 13:27:03,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-10-13 13:27:03,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:27:05,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:05,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867660268] [2024-10-13 13:27:05,026 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:05,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232022395] [2024-10-13 13:27:05,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232022395] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:05,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:05,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:27:05,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667535950] [2024-10-13 13:27:05,027 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:27:05,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:27:05,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:05,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:27:05,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2024-10-13 13:27:05,028 INFO L87 Difference]: Start difference. First operand 1653 states and 2150 transitions. Second operand has 9 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-13 13:27:05,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:05,657 INFO L93 Difference]: Finished difference Result 2017 states and 2634 transitions. [2024-10-13 13:27:05,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:27:05,658 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 129 [2024-10-13 13:27:05,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:05,660 INFO L225 Difference]: With dead ends: 2017 [2024-10-13 13:27:05,661 INFO L226 Difference]: Without dead ends: 2015 [2024-10-13 13:27:05,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=42, Invalid=89, Unknown=1, NotChecked=0, Total=132 [2024-10-13 13:27:05,661 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 345 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:05,662 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 384 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:27:05,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2024-10-13 13:27:05,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1690. [2024-10-13 13:27:05,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1497 states have (on average 1.261189044756179) internal successors, (1888), 1531 states have internal predecessors, (1888), 157 states have call successors, (157), 6 states have call predecessors, (157), 6 states have return successors, (157), 152 states have call predecessors, (157), 157 states have call successors, (157) [2024-10-13 13:27:05,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 2202 transitions. [2024-10-13 13:27:05,783 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 2202 transitions. Word has length 129 [2024-10-13 13:27:05,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:05,783 INFO L471 AbstractCegarLoop]: Abstraction has 1690 states and 2202 transitions. [2024-10-13 13:27:05,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.571428571428571) internal successors, (88), 8 states have internal predecessors, (88), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-13 13:27:05,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2202 transitions. [2024-10-13 13:27:05,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-13 13:27:05,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:05,784 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:05,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:05,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:05,989 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:27:05,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:05,989 INFO L85 PathProgramCache]: Analyzing trace with hash -968333735, now seen corresponding path program 1 times [2024-10-13 13:27:05,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:05,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327203157] [2024-10-13 13:27:05,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:05,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:05,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [302733929] [2024-10-13 13:27:05,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:05,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:05,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:05,999 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:06,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-10-13 13:27:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:06,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:27:06,047 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-10-13 13:27:06,512 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:27:07,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:07,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327203157] [2024-10-13 13:27:07,173 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:07,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302733929] [2024-10-13 13:27:07,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302733929] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:07,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:07,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:27:07,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422977094] [2024-10-13 13:27:07,173 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:27:07,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:27:07,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:07,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:27:07,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:27:07,174 INFO L87 Difference]: Start difference. First operand 1690 states and 2202 transitions. Second operand has 9 states, 8 states have (on average 11.0) internal successors, (88), 9 states have internal predecessors, (88), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:27:07,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:07,723 INFO L93 Difference]: Finished difference Result 1794 states and 2339 transitions. [2024-10-13 13:27:07,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:27:07,724 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.0) internal successors, (88), 9 states have internal predecessors, (88), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 132 [2024-10-13 13:27:07,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:07,726 INFO L225 Difference]: With dead ends: 1794 [2024-10-13 13:27:07,726 INFO L226 Difference]: Without dead ends: 1793 [2024-10-13 13:27:07,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:27:07,727 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 156 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:07,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 430 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:27:07,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2024-10-13 13:27:07,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1690. [2024-10-13 13:27:07,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1497 states have (on average 1.2605210420841684) internal successors, (1887), 1531 states have internal predecessors, (1887), 157 states have call successors, (157), 6 states have call predecessors, (157), 6 states have return successors, (157), 152 states have call predecessors, (157), 157 states have call successors, (157) [2024-10-13 13:27:07,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 2201 transitions. [2024-10-13 13:27:07,847 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 2201 transitions. Word has length 132 [2024-10-13 13:27:07,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:07,847 INFO L471 AbstractCegarLoop]: Abstraction has 1690 states and 2201 transitions. [2024-10-13 13:27:07,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.0) internal successors, (88), 9 states have internal predecessors, (88), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:27:07,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2201 transitions. [2024-10-13 13:27:07,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-13 13:27:07,848 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:07,848 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:07,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:08,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-10-13 13:27:08,049 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:27:08,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:08,049 INFO L85 PathProgramCache]: Analyzing trace with hash 46425372, now seen corresponding path program 1 times [2024-10-13 13:27:08,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:08,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786045827] [2024-10-13 13:27:08,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:08,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:27:08,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1377805573] [2024-10-13 13:27:08,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:08,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:08,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:08,060 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:08,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-10-13 13:27:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:08,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-13 13:27:08,112 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 21 proven. 73 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-10-13 13:27:08,806 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:27:09,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:09,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786045827] [2024-10-13 13:27:09,001 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:27:09,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377805573] [2024-10-13 13:27:09,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377805573] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:09,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:27:09,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-13 13:27:09,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857483699] [2024-10-13 13:27:09,002 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:27:09,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:27:09,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:09,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:27:09,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:27:09,003 INFO L87 Difference]: Start difference. First operand 1690 states and 2201 transitions. Second operand has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:27:10,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:27:10,265 INFO L93 Difference]: Finished difference Result 1801 states and 2348 transitions. [2024-10-13 13:27:10,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 13:27:10,266 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 133 [2024-10-13 13:27:10,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:27:10,268 INFO L225 Difference]: With dead ends: 1801 [2024-10-13 13:27:10,269 INFO L226 Difference]: Without dead ends: 1797 [2024-10-13 13:27:10,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:27:10,269 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 147 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 2016 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 2032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 2016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:27:10,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 573 Invalid, 2032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 2016 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-13 13:27:10,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states. [2024-10-13 13:27:10,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1674. [2024-10-13 13:27:10,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1674 states, 1483 states have (on average 1.2596089008766014) internal successors, (1868), 1516 states have internal predecessors, (1868), 155 states have call successors, (155), 6 states have call predecessors, (155), 6 states have return successors, (155), 151 states have call predecessors, (155), 155 states have call successors, (155) [2024-10-13 13:27:10,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 2178 transitions. [2024-10-13 13:27:10,389 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 2178 transitions. Word has length 133 [2024-10-13 13:27:10,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:27:10,390 INFO L471 AbstractCegarLoop]: Abstraction has 1674 states and 2178 transitions. [2024-10-13 13:27:10,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:27:10,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2178 transitions. [2024-10-13 13:27:10,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-10-13 13:27:10,391 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:27:10,391 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:27:10,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-10-13 13:27:10,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-10-13 13:27:10,595 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-10-13 13:27:10,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:27:10,595 INFO L85 PathProgramCache]: Analyzing trace with hash 1445776496, now seen corresponding path program 1 times [2024-10-13 13:27:10,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:27:10,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227854054] [2024-10-13 13:27:10,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:10,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:27:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:10,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 13:27:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:10,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:27:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:10,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-13 13:27:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:10,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:27:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:10,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 13:27:10,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:10,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-13 13:27:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:10,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 13:27:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:10,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 13:27:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:10,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 13:27:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:10,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 13:27:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:10,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-13 13:27:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:10,673 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-13 13:27:10,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:27:10,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227854054] [2024-10-13 13:27:10,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227854054] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:27:10,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454838843] [2024-10-13 13:27:10,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:27:10,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:27:10,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:27:10,675 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:27:10,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-10-13 13:27:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:27:10,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:27:10,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:27:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-13 13:27:10,903 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:27:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-10-13 13:27:11,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454838843] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:27:11,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:27:11,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2024-10-13 13:27:11,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119729532] [2024-10-13 13:27:11,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:27:11,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 13:27:11,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:27:11,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 13:27:11,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:27:11,066 INFO L87 Difference]: Start difference. First operand 1674 states and 2178 transitions. Second operand has 15 states, 14 states have (on average 17.5) internal successors, (245), 15 states have internal predecessors, (245), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28)