./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.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/ps4-ll_valuebound20.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 1fbe6596ea58bb65874b731661e9f9f596a91893af06dcebaa497157579c7f46 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:52:15,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:52:15,805 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:52:15,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:52:15,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:52:15,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:52:15,861 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:52:15,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:52:15,862 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:52:15,863 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:52:15,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:52:15,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:52:15,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:52:15,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:52:15,879 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:52:15,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:52:15,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:52:15,880 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:52:15,880 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:52:15,881 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:52:15,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:52:15,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:52:15,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:52:15,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:52:15,883 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:52:15,884 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:52:15,884 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:52:15,884 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:52:15,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:52:15,885 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:52:15,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:52:15,885 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:52:15,885 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:52:15,886 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:52:15,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:52:15,886 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:52:15,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:52:15,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:52:15,887 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:52:15,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:52:15,888 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:52:15,888 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:52:15,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:52:15,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:52:15,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fbe6596ea58bb65874b731661e9f9f596a91893af06dcebaa497157579c7f46 [2024-10-13 13:52:16,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:52:16,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:52:16,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:52:16,152 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:52:16,153 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:52:16,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2024-10-13 13:52:17,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:52:17,671 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:52:17,672 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound20.c [2024-10-13 13:52:17,678 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a20294e/eede4e8738684a31b47d7739e7346f76/FLAG622dd49e5 [2024-10-13 13:52:18,078 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23a20294e/eede4e8738684a31b47d7739e7346f76 [2024-10-13 13:52:18,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:52:18,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:52:18,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:52:18,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:52:18,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:52:18,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:52:18" (1/1) ... [2024-10-13 13:52:18,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2147ec09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18, skipping insertion in model container [2024-10-13 13:52:18,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:52:18" (1/1) ... [2024-10-13 13:52:18,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:52:18,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:52:18,324 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:52:18,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:52:18,361 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:52:18,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18 WrapperNode [2024-10-13 13:52:18,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:52:18,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:52:18,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:52:18,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:52:18,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18" (1/1) ... [2024-10-13 13:52:18,374 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18" (1/1) ... [2024-10-13 13:52:18,400 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2024-10-13 13:52:18,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:52:18,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:52:18,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:52:18,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:52:18,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18" (1/1) ... [2024-10-13 13:52:18,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18" (1/1) ... [2024-10-13 13:52:18,413 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18" (1/1) ... [2024-10-13 13:52:18,423 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 13:52:18,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18" (1/1) ... [2024-10-13 13:52:18,423 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18" (1/1) ... [2024-10-13 13:52:18,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18" (1/1) ... [2024-10-13 13:52:18,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18" (1/1) ... [2024-10-13 13:52:18,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18" (1/1) ... [2024-10-13 13:52:18,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18" (1/1) ... [2024-10-13 13:52:18,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:52:18,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:52:18,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:52:18,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:52:18,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18" (1/1) ... [2024-10-13 13:52:18,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:52:18,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:52:18,469 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 13:52:18,473 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 13:52:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 13:52:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 13:52:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:52:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:52:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 13:52:18,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 13:52:18,581 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:52:18,583 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:52:19,011 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-10-13 13:52:19,011 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:52:19,048 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:52:19,048 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 13:52:19,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:52:19 BoogieIcfgContainer [2024-10-13 13:52:19,049 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:52:19,052 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:52:19,052 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:52:19,055 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:52:19,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:52:18" (1/3) ... [2024-10-13 13:52:19,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcdf88b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:52:19, skipping insertion in model container [2024-10-13 13:52:19,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:52:18" (2/3) ... [2024-10-13 13:52:19,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcdf88b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:52:19, skipping insertion in model container [2024-10-13 13:52:19,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:52:19" (3/3) ... [2024-10-13 13:52:19,059 INFO L112 eAbstractionObserver]: Analyzing ICFG ps4-ll_valuebound20.c [2024-10-13 13:52:19,076 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:52:19,077 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 60 error locations. [2024-10-13 13:52:19,142 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:52:19,147 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;@54f8fd9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:52:19,147 INFO L334 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2024-10-13 13:52:19,151 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 69 states have (on average 1.9420289855072463) internal successors, (134), 129 states have internal predecessors, (134), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:52:19,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 13:52:19,156 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:19,156 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 13:52:19,158 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:19,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:19,163 INFO L85 PathProgramCache]: Analyzing trace with hash 189479997, now seen corresponding path program 1 times [2024-10-13 13:52:19,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:19,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775199156] [2024-10-13 13:52:19,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:19,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:52:19,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:19,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775199156] [2024-10-13 13:52:19,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775199156] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:52:19,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:52:19,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:52:19,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731143526] [2024-10-13 13:52:19,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:52:19,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 13:52:19,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:19,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 13:52:19,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:52:19,326 INFO L87 Difference]: Start difference. First operand has 134 states, 69 states have (on average 1.9420289855072463) internal successors, (134), 129 states have internal predecessors, (134), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:52:19,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:19,356 INFO L93 Difference]: Finished difference Result 256 states and 280 transitions. [2024-10-13 13:52:19,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 13:52:19,358 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-13 13:52:19,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:19,363 INFO L225 Difference]: With dead ends: 256 [2024-10-13 13:52:19,363 INFO L226 Difference]: Without dead ends: 121 [2024-10-13 13:52:19,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:52:19,369 INFO L432 NwaCegarLoop]: 124 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, 124 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 13:52:19,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:52:19,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-10-13 13:52:19,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-10-13 13:52:19,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 68 states have (on average 1.7352941176470589) internal successors, (118), 117 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:52:19,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 122 transitions. [2024-10-13 13:52:19,404 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 122 transitions. Word has length 5 [2024-10-13 13:52:19,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:19,405 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 122 transitions. [2024-10-13 13:52:19,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:52:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2024-10-13 13:52:19,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 13:52:19,406 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:19,406 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 13:52:19,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:52:19,406 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:19,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:19,407 INFO L85 PathProgramCache]: Analyzing trace with hash 189539568, now seen corresponding path program 1 times [2024-10-13 13:52:19,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:19,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48364796] [2024-10-13 13:52:19,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:19,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:19,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:52:19,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:19,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48364796] [2024-10-13 13:52:19,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48364796] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:52:19,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:52:19,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:52:19,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572194748] [2024-10-13 13:52:19,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:52:19,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:52:19,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:19,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:52:19,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:52:19,495 INFO L87 Difference]: Start difference. First operand 121 states and 122 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:52:19,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:19,652 INFO L93 Difference]: Finished difference Result 227 states and 238 transitions. [2024-10-13 13:52:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:52:19,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-13 13:52:19,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:19,655 INFO L225 Difference]: With dead ends: 227 [2024-10-13 13:52:19,655 INFO L226 Difference]: Without dead ends: 216 [2024-10-13 13:52:19,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:52:19,659 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 92 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:52:19,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 181 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:52:19,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-10-13 13:52:19,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 174. [2024-10-13 13:52:19,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 119 states have (on average 1.680672268907563) internal successors, (200), 168 states have internal predecessors, (200), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:52:19,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 208 transitions. [2024-10-13 13:52:19,697 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 208 transitions. Word has length 5 [2024-10-13 13:52:19,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:19,698 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 208 transitions. [2024-10-13 13:52:19,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:52:19,701 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 208 transitions. [2024-10-13 13:52:19,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-13 13:52:19,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:19,702 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:52:19,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 13:52:19,702 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:19,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:19,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1308672250, now seen corresponding path program 1 times [2024-10-13 13:52:19,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:19,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085760588] [2024-10-13 13:52:19,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:19,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:52:19,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1606892295] [2024-10-13 13:52:19,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:19,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:52:19,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:52:19,761 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 13:52:19,762 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 13:52:19,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:19,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:52:19,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:52:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:52:19,831 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:52:19,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:19,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085760588] [2024-10-13 13:52:19,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:52:19,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606892295] [2024-10-13 13:52:19,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606892295] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:52:19,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:52:19,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:52:19,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917079992] [2024-10-13 13:52:19,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:52:19,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:52:19,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:19,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:52:19,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:52:19,837 INFO L87 Difference]: Start difference. First operand 174 states and 208 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:52:20,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:20,097 INFO L93 Difference]: Finished difference Result 207 states and 216 transitions. [2024-10-13 13:52:20,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:52:20,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-10-13 13:52:20,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:20,099 INFO L225 Difference]: With dead ends: 207 [2024-10-13 13:52:20,099 INFO L226 Difference]: Without dead ends: 180 [2024-10-13 13:52:20,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:52:20,100 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 52 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:52:20,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 92 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:52:20,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-13 13:52:20,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 178. [2024-10-13 13:52:20,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 123 states have (on average 1.4715447154471544) internal successors, (181), 172 states have internal predecessors, (181), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:52:20,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 189 transitions. [2024-10-13 13:52:20,117 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 189 transitions. Word has length 8 [2024-10-13 13:52:20,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:20,118 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 189 transitions. [2024-10-13 13:52:20,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:52:20,118 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 189 transitions. [2024-10-13 13:52:20,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-13 13:52:20,118 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:20,118 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:52:20,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 13:52:20,319 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 13:52:20,319 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:20,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:20,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1144700664, now seen corresponding path program 1 times [2024-10-13 13:52:20,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:20,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306136654] [2024-10-13 13:52:20,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:20,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:52:20,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:20,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306136654] [2024-10-13 13:52:20,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306136654] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:52:20,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:52:20,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:52:20,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987064726] [2024-10-13 13:52:20,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:52:20,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:52:20,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:20,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:52:20,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:52:20,408 INFO L87 Difference]: Start difference. First operand 178 states and 189 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:52:24,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:52:24,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:24,740 INFO L93 Difference]: Finished difference Result 195 states and 200 transitions. [2024-10-13 13:52:24,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:52:24,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-13 13:52:24,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:24,742 INFO L225 Difference]: With dead ends: 195 [2024-10-13 13:52:24,742 INFO L226 Difference]: Without dead ends: 161 [2024-10-13 13:52:24,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:52:24,743 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 64 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:52:24,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 167 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 196 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2024-10-13 13:52:24,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-10-13 13:52:24,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 150. [2024-10-13 13:52:24,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 96 states have (on average 1.5416666666666667) internal successors, (148), 145 states have internal predecessors, (148), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:52:24,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 154 transitions. [2024-10-13 13:52:24,759 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 154 transitions. Word has length 13 [2024-10-13 13:52:24,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:24,760 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 154 transitions. [2024-10-13 13:52:24,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:52:24,760 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 154 transitions. [2024-10-13 13:52:24,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-10-13 13:52:24,761 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:24,761 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:52:24,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 13:52:24,761 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:24,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:24,763 INFO L85 PathProgramCache]: Analyzing trace with hash 223809177, now seen corresponding path program 1 times [2024-10-13 13:52:24,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:24,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342731144] [2024-10-13 13:52:24,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:24,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:24,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 13:52:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:52:24,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:24,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342731144] [2024-10-13 13:52:24,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342731144] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:52:24,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:52:24,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:52:24,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693926211] [2024-10-13 13:52:24,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:52:24,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:52:24,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:24,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:52:24,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:52:24,867 INFO L87 Difference]: Start difference. First operand 150 states and 154 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:52:24,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:24,884 INFO L93 Difference]: Finished difference Result 152 states and 154 transitions. [2024-10-13 13:52:24,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:52:24,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2024-10-13 13:52:24,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:24,886 INFO L225 Difference]: With dead ends: 152 [2024-10-13 13:52:24,886 INFO L226 Difference]: Without dead ends: 150 [2024-10-13 13:52:24,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:52:24,887 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 1 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 232 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 13:52:24,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 232 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:52:24,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-10-13 13:52:24,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-10-13 13:52:24,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 96 states have (on average 1.5208333333333333) internal successors, (146), 145 states have internal predecessors, (146), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-13 13:52:24,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 152 transitions. [2024-10-13 13:52:24,895 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 152 transitions. Word has length 33 [2024-10-13 13:52:24,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:24,896 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 152 transitions. [2024-10-13 13:52:24,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:52:24,897 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 152 transitions. [2024-10-13 13:52:24,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-13 13:52:24,900 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:24,900 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:52:24,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 13:52:24,901 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:24,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:24,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1614452623, now seen corresponding path program 1 times [2024-10-13 13:52:24,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:24,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254899048] [2024-10-13 13:52:24,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:24,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:52:24,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1162325435] [2024-10-13 13:52:24,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:24,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:52:24,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:52:24,932 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 13:52:24,933 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 13:52:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:24,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:52:24,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:52:25,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:52:25,046 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:52:25,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:25,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254899048] [2024-10-13 13:52:25,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:52:25,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162325435] [2024-10-13 13:52:25,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162325435] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:52:25,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:52:25,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:52:25,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751688092] [2024-10-13 13:52:25,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:52:25,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:52:25,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:25,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:52:25,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:52:25,051 INFO L87 Difference]: Start difference. First operand 150 states and 152 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:52:25,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:25,326 INFO L93 Difference]: Finished difference Result 246 states and 268 transitions. [2024-10-13 13:52:25,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:52:25,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-10-13 13:52:25,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:25,328 INFO L225 Difference]: With dead ends: 246 [2024-10-13 13:52:25,329 INFO L226 Difference]: Without dead ends: 220 [2024-10-13 13:52:25,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:52:25,331 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 66 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:52:25,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 103 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:52:25,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2024-10-13 13:52:25,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 212. [2024-10-13 13:52:25,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 156 states have (on average 1.4679487179487178) internal successors, (229), 205 states have internal predecessors, (229), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:52:25,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 239 transitions. [2024-10-13 13:52:25,349 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 239 transitions. Word has length 38 [2024-10-13 13:52:25,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:25,349 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 239 transitions. [2024-10-13 13:52:25,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:52:25,350 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 239 transitions. [2024-10-13 13:52:25,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-13 13:52:25,350 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:25,350 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:52:25,370 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 13:52:25,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-13 13:52:25,555 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:25,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:25,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1114199903, now seen corresponding path program 1 times [2024-10-13 13:52:25,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:25,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29249433] [2024-10-13 13:52:25,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:25,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:25,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 13:52:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:25,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:52:25,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:25,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29249433] [2024-10-13 13:52:25,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29249433] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:52:25,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:52:25,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:52:25,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133230932] [2024-10-13 13:52:25,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:52:25,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:52:25,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:25,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:52:25,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:52:25,741 INFO L87 Difference]: Start difference. First operand 212 states and 239 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:52:29,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:52:32,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:52:32,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:32,173 INFO L93 Difference]: Finished difference Result 213 states and 239 transitions. [2024-10-13 13:52:32,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:52:32,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 41 [2024-10-13 13:52:32,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:32,174 INFO L225 Difference]: With dead ends: 213 [2024-10-13 13:52:32,174 INFO L226 Difference]: Without dead ends: 212 [2024-10-13 13:52:32,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:52:32,175 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 30 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:52:32,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 190 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 173 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2024-10-13 13:52:32,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-10-13 13:52:32,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-10-13 13:52:32,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 156 states have (on average 1.4615384615384615) internal successors, (228), 205 states have internal predecessors, (228), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:52:32,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 238 transitions. [2024-10-13 13:52:32,184 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 238 transitions. Word has length 41 [2024-10-13 13:52:32,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:32,185 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 238 transitions. [2024-10-13 13:52:32,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:52:32,185 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 238 transitions. [2024-10-13 13:52:32,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-13 13:52:32,186 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:32,186 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:52:32,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 13:52:32,186 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:32,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:32,187 INFO L85 PathProgramCache]: Analyzing trace with hash -180458507, now seen corresponding path program 1 times [2024-10-13 13:52:32,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:32,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950574715] [2024-10-13 13:52:32,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:32,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:32,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 13:52:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:32,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:52:32,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:32,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950574715] [2024-10-13 13:52:32,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950574715] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:52:32,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:52:32,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:52:32,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579880086] [2024-10-13 13:52:32,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:52:32,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:52:32,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:32,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:52:32,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:52:32,264 INFO L87 Difference]: Start difference. First operand 212 states and 238 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:52:32,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:32,345 INFO L93 Difference]: Finished difference Result 213 states and 238 transitions. [2024-10-13 13:52:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:52:32,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 42 [2024-10-13 13:52:32,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:32,347 INFO L225 Difference]: With dead ends: 213 [2024-10-13 13:52:32,347 INFO L226 Difference]: Without dead ends: 212 [2024-10-13 13:52:32,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:52:32,348 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 27 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:52:32,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 180 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:52:32,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-10-13 13:52:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2024-10-13 13:52:32,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 156 states have (on average 1.455128205128205) internal successors, (227), 205 states have internal predecessors, (227), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:52:32,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 237 transitions. [2024-10-13 13:52:32,361 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 237 transitions. Word has length 42 [2024-10-13 13:52:32,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:32,362 INFO L471 AbstractCegarLoop]: Abstraction has 212 states and 237 transitions. [2024-10-13 13:52:32,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:52:32,362 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 237 transitions. [2024-10-13 13:52:32,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-13 13:52:32,363 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:32,363 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:52:32,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 13:52:32,367 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:32,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:32,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1621931849, now seen corresponding path program 1 times [2024-10-13 13:52:32,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:32,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036073026] [2024-10-13 13:52:32,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:32,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:52:32,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1576613003] [2024-10-13 13:52:32,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:32,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:52:32,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:52:32,388 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 13:52:32,391 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 13:52:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:32,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:52:32,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:52:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:52:32,621 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:52:32,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:52:32,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:32,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036073026] [2024-10-13 13:52:32,764 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:52:32,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576613003] [2024-10-13 13:52:32,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576613003] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:52:32,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:52:32,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-13 13:52:32,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776078875] [2024-10-13 13:52:32,767 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:52:32,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:52:32,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:32,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:52:32,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:52:32,769 INFO L87 Difference]: Start difference. First operand 212 states and 237 transitions. Second operand has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:52:33,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:33,435 INFO L93 Difference]: Finished difference Result 237 states and 251 transitions. [2024-10-13 13:52:33,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:52:33,436 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2024-10-13 13:52:33,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:33,437 INFO L225 Difference]: With dead ends: 237 [2024-10-13 13:52:33,437 INFO L226 Difference]: Without dead ends: 224 [2024-10-13 13:52:33,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:52:33,438 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 315 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:52:33,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 84 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:52:33,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-13 13:52:33,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 213. [2024-10-13 13:52:33,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 160 states have (on average 1.375) internal successors, (220), 206 states have internal predecessors, (220), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:52:33,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 230 transitions. [2024-10-13 13:52:33,450 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 230 transitions. Word has length 44 [2024-10-13 13:52:33,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:33,450 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 230 transitions. [2024-10-13 13:52:33,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 8 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:52:33,450 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 230 transitions. [2024-10-13 13:52:33,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-13 13:52:33,455 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:33,456 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:52:33,472 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 13:52:33,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:52:33,660 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:33,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:33,660 INFO L85 PathProgramCache]: Analyzing trace with hash 2107714495, now seen corresponding path program 1 times [2024-10-13 13:52:33,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:33,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977430172] [2024-10-13 13:52:33,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:33,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:52:33,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [34192174] [2024-10-13 13:52:33,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:33,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:52:33,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:52:33,683 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 13:52:33,685 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 13:52:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:33,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:52:33,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:52:33,920 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:52:33,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:52:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:52:34,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:34,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977430172] [2024-10-13 13:52:34,071 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:52:34,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34192174] [2024-10-13 13:52:34,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34192174] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:52:34,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:52:34,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-13 13:52:34,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579532859] [2024-10-13 13:52:34,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:52:34,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:52:34,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:34,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:52:34,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:52:34,077 INFO L87 Difference]: Start difference. First operand 213 states and 230 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:52:38,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:52:38,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:38,881 INFO L93 Difference]: Finished difference Result 213 states and 230 transitions. [2024-10-13 13:52:38,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:52:38,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2024-10-13 13:52:38,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:38,882 INFO L225 Difference]: With dead ends: 213 [2024-10-13 13:52:38,882 INFO L226 Difference]: Without dead ends: 211 [2024-10-13 13:52:38,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:52:38,883 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 93 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:52:38,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 41 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 297 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2024-10-13 13:52:38,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-10-13 13:52:38,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2024-10-13 13:52:38,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 160 states have (on average 1.35) internal successors, (216), 204 states have internal predecessors, (216), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:52:38,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 226 transitions. [2024-10-13 13:52:38,892 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 226 transitions. Word has length 52 [2024-10-13 13:52:38,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:38,892 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 226 transitions. [2024-10-13 13:52:38,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:52:38,892 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 226 transitions. [2024-10-13 13:52:38,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-13 13:52:38,893 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:38,893 INFO L215 NwaCegarLoop]: trace histogram [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 13:52:38,910 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 13:52:39,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:52:39,098 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:39,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:39,098 INFO L85 PathProgramCache]: Analyzing trace with hash -131297593, now seen corresponding path program 1 times [2024-10-13 13:52:39,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:39,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671525737] [2024-10-13 13:52:39,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:39,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:39,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 13:52:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:39,246 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:52:39,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:39,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671525737] [2024-10-13 13:52:39,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671525737] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:52:39,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204785803] [2024-10-13 13:52:39,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:39,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:52:39,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:52:39,249 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 13:52:39,250 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 13:52:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:39,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:52:39,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:52:39,487 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:52:39,487 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:52:40,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204785803] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:52:40,160 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:52:40,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-13 13:52:40,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492012545] [2024-10-13 13:52:40,161 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:52:40,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:52:40,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:40,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:52:40,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:52:40,162 INFO L87 Difference]: Start difference. First operand 211 states and 226 transitions. Second operand has 9 states, 8 states have (on average 12.875) internal successors, (103), 9 states have internal predecessors, (103), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:52:41,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:41,978 INFO L93 Difference]: Finished difference Result 222 states and 231 transitions. [2024-10-13 13:52:41,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:52:41,979 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.875) internal successors, (103), 9 states have internal predecessors, (103), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2024-10-13 13:52:41,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:41,980 INFO L225 Difference]: With dead ends: 222 [2024-10-13 13:52:41,980 INFO L226 Difference]: Without dead ends: 196 [2024-10-13 13:52:41,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:52:41,981 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 130 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:52:41,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 152 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-13 13:52:41,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-10-13 13:52:41,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 189. [2024-10-13 13:52:41,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 139 states have (on average 1.3741007194244603) internal successors, (191), 183 states have internal predecessors, (191), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:52:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 199 transitions. [2024-10-13 13:52:41,989 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 199 transitions. Word has length 60 [2024-10-13 13:52:41,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:41,989 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 199 transitions. [2024-10-13 13:52:41,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.875) internal successors, (103), 9 states have internal predecessors, (103), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:52:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 199 transitions. [2024-10-13 13:52:41,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-13 13:52:41,990 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:41,993 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:52:42,011 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 13:52:42,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-10-13 13:52:42,197 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:42,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:42,197 INFO L85 PathProgramCache]: Analyzing trace with hash -365538887, now seen corresponding path program 1 times [2024-10-13 13:52:42,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:42,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196195749] [2024-10-13 13:52:42,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:42,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:52:42,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [681547559] [2024-10-13 13:52:42,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:42,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:52:42,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:52:42,222 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 13:52:42,224 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 13:52:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:42,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:52:42,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:52:42,505 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:52:42,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:52:42,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:42,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196195749] [2024-10-13 13:52:42,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:52:42,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681547559] [2024-10-13 13:52:42,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [681547559] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:52:42,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:52:42,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-13 13:52:42,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850868723] [2024-10-13 13:52:42,704 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:52:42,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:52:42,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:42,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:52:42,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:52:42,707 INFO L87 Difference]: Start difference. First operand 189 states and 199 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:52:42,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:42,971 INFO L93 Difference]: Finished difference Result 189 states and 199 transitions. [2024-10-13 13:52:42,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:52:42,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 72 [2024-10-13 13:52:42,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:42,973 INFO L225 Difference]: With dead ends: 189 [2024-10-13 13:52:42,973 INFO L226 Difference]: Without dead ends: 179 [2024-10-13 13:52:42,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:52:42,974 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 44 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:52:42,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 51 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:52:42,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-10-13 13:52:42,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 176. [2024-10-13 13:52:42,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 136 states have (on average 1.286764705882353) internal successors, (175), 170 states have internal predecessors, (175), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:52:42,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 183 transitions. [2024-10-13 13:52:42,981 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 183 transitions. Word has length 72 [2024-10-13 13:52:42,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:42,982 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 183 transitions. [2024-10-13 13:52:42,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:52:42,982 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 183 transitions. [2024-10-13 13:52:42,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-13 13:52:42,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:42,983 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:52:42,999 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 13:52:43,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:52:43,183 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:43,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:43,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1553196516, now seen corresponding path program 1 times [2024-10-13 13:52:43,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:43,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700874969] [2024-10-13 13:52:43,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:43,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:52:43,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1967991608] [2024-10-13 13:52:43,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:43,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:52:43,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:52:43,202 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 13:52:43,203 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 13:52:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:43,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:52:43,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:52:43,469 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:52:43,469 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:52:43,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:43,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700874969] [2024-10-13 13:52:43,562 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:52:43,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967991608] [2024-10-13 13:52:43,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967991608] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:52:43,562 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:52:43,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-10-13 13:52:43,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099041049] [2024-10-13 13:52:43,563 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:52:43,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:52:43,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:43,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:52:43,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:52:43,565 INFO L87 Difference]: Start difference. First operand 176 states and 183 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:52:43,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:43,961 INFO L93 Difference]: Finished difference Result 179 states and 183 transitions. [2024-10-13 13:52:43,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:52:43,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 73 [2024-10-13 13:52:43,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:43,972 INFO L225 Difference]: With dead ends: 179 [2024-10-13 13:52:43,972 INFO L226 Difference]: Without dead ends: 175 [2024-10-13 13:52:43,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:52:43,972 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 6 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:52:43,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 137 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:52:43,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-13 13:52:43,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-10-13 13:52:43,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 135 states have (on average 1.2666666666666666) internal successors, (171), 169 states have internal predecessors, (171), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:52:43,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 179 transitions. [2024-10-13 13:52:43,980 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 179 transitions. Word has length 73 [2024-10-13 13:52:43,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:43,980 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 179 transitions. [2024-10-13 13:52:43,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:52:43,981 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 179 transitions. [2024-10-13 13:52:43,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-13 13:52:43,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:43,982 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:52:43,999 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 13:52:44,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:52:44,182 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:44,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:44,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1594854525, now seen corresponding path program 1 times [2024-10-13 13:52:44,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:44,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798642998] [2024-10-13 13:52:44,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:44,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:52:44,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1243399494] [2024-10-13 13:52:44,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:44,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:52:44,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:52:44,202 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 13:52:44,203 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 13:52:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:44,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:52:44,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:52:44,477 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:52:44,477 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:52:44,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:44,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798642998] [2024-10-13 13:52:44,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:52:44,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243399494] [2024-10-13 13:52:44,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243399494] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:52:44,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:52:44,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-13 13:52:44,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935378739] [2024-10-13 13:52:44,626 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:52:44,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:52:44,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:44,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:52:44,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:52:44,627 INFO L87 Difference]: Start difference. First operand 175 states and 179 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:52:44,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:44,990 INFO L93 Difference]: Finished difference Result 176 states and 179 transitions. [2024-10-13 13:52:44,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:52:44,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 76 [2024-10-13 13:52:44,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:44,991 INFO L225 Difference]: With dead ends: 176 [2024-10-13 13:52:44,991 INFO L226 Difference]: Without dead ends: 170 [2024-10-13 13:52:44,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:52:44,992 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 6 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:52:44,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 129 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:52:44,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-10-13 13:52:44,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2024-10-13 13:52:44,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 130 states have (on average 1.2692307692307692) internal successors, (165), 164 states have internal predecessors, (165), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:52:44,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 173 transitions. [2024-10-13 13:52:44,999 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 173 transitions. Word has length 76 [2024-10-13 13:52:44,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:44,999 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 173 transitions. [2024-10-13 13:52:44,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:52:45,000 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 173 transitions. [2024-10-13 13:52:45,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-13 13:52:45,000 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:45,000 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:52:45,017 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 13:52:45,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-13 13:52:45,201 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:45,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:45,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1004529270, now seen corresponding path program 1 times [2024-10-13 13:52:45,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:45,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015574554] [2024-10-13 13:52:45,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:45,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:52:45,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1182802373] [2024-10-13 13:52:45,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:45,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:52:45,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:52:45,219 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 13:52:45,220 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 13:52:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:45,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:52:45,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:52:45,357 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:52:45,357 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:52:45,541 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:52:45,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:45,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015574554] [2024-10-13 13:52:45,541 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:52:45,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182802373] [2024-10-13 13:52:45,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182802373] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:52:45,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:52:45,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-10-13 13:52:45,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135547420] [2024-10-13 13:52:45,542 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:52:45,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:52:45,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:45,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:52:45,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:52:45,544 INFO L87 Difference]: Start difference. First operand 170 states and 173 transitions. Second operand has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:52:45,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:52:45,970 INFO L93 Difference]: Finished difference Result 250 states and 280 transitions. [2024-10-13 13:52:45,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:52:45,971 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 77 [2024-10-13 13:52:45,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:52:45,972 INFO L225 Difference]: With dead ends: 250 [2024-10-13 13:52:45,972 INFO L226 Difference]: Without dead ends: 232 [2024-10-13 13:52:45,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:52:45,975 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 228 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:52:45,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 123 Invalid, 502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:52:45,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-10-13 13:52:45,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 215. [2024-10-13 13:52:45,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 182 states have (on average 1.2142857142857142) internal successors, (221), 207 states have internal predecessors, (221), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:52:45,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 233 transitions. [2024-10-13 13:52:45,984 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 233 transitions. Word has length 77 [2024-10-13 13:52:45,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:52:45,984 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 233 transitions. [2024-10-13 13:52:45,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.285714285714285) internal successors, (135), 8 states have internal predecessors, (135), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:52:45,985 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 233 transitions. [2024-10-13 13:52:45,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-13 13:52:45,985 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:52:45,985 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-13 13:52:46,002 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 13:52:46,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-13 13:52:46,190 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:52:46,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:52:46,190 INFO L85 PathProgramCache]: Analyzing trace with hash 473491598, now seen corresponding path program 1 times [2024-10-13 13:52:46,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:52:46,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261340657] [2024-10-13 13:52:46,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:46,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:52:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:52:46,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1795417530] [2024-10-13 13:52:46,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:52:46,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:52:46,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:52:46,219 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 13:52:46,224 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 13:52:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:52:46,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 13:52:46,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:52:46,519 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:52:46,520 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:52:47,009 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:52:47,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:52:47,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261340657] [2024-10-13 13:52:47,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:52:47,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795417530] [2024-10-13 13:52:47,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795417530] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:52:47,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:52:47,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-10-13 13:52:47,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435923604] [2024-10-13 13:52:47,010 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:52:47,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:52:47,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:52:47,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:52:47,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:52:47,014 INFO L87 Difference]: Start difference. First operand 215 states and 233 transitions. Second operand has 11 states, 10 states have (on average 14.3) internal successors, (143), 11 states have internal predecessors, (143), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:52:48,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:52:50,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:52:54,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:52:58,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:53:00,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:53:02,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:53:07,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:53:11,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:53:13,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:53:17,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:53:20,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:53:24,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-10-13 13:53:25,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:53:25,402 INFO L93 Difference]: Finished difference Result 235 states and 259 transitions. [2024-10-13 13:53:25,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:53:25,403 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.3) internal successors, (143), 11 states have internal predecessors, (143), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 81 [2024-10-13 13:53:25,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:53:25,404 INFO L225 Difference]: With dead ends: 235 [2024-10-13 13:53:25,404 INFO L226 Difference]: Without dead ends: 234 [2024-10-13 13:53:25,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:53:25,405 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 305 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 26 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:53:25,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 102 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 666 Invalid, 6 Unknown, 0 Unchecked, 38.3s Time] [2024-10-13 13:53:25,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-10-13 13:53:25,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 214. [2024-10-13 13:53:25,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 182 states have (on average 1.2032967032967032) internal successors, (219), 206 states have internal predecessors, (219), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:53:25,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 231 transitions. [2024-10-13 13:53:25,417 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 231 transitions. Word has length 81 [2024-10-13 13:53:25,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:53:25,417 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 231 transitions. [2024-10-13 13:53:25,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.3) internal successors, (143), 11 states have internal predecessors, (143), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:53:25,418 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 231 transitions. [2024-10-13 13:53:25,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-13 13:53:25,418 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:53:25,418 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-13 13:53:25,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-13 13:53:25,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-13 13:53:25,619 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:53:25,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:53:25,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1115643684, now seen corresponding path program 1 times [2024-10-13 13:53:25,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:53:25,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935825874] [2024-10-13 13:53:25,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:53:25,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:53:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:53:25,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2005888285] [2024-10-13 13:53:25,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:53:25,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:53:25,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:53:25,640 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 13:53:25,641 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 13:53:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:53:25,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 13:53:25,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:53:25,940 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:53:25,940 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:53:26,173 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:53:26,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:53:26,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935825874] [2024-10-13 13:53:26,174 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:53:26,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005888285] [2024-10-13 13:53:26,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005888285] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:53:26,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:53:26,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-13 13:53:26,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004525553] [2024-10-13 13:53:26,175 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:53:26,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:53:26,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:53:26,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:53:26,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:53:26,176 INFO L87 Difference]: Start difference. First operand 214 states and 231 transitions. Second operand has 12 states, 11 states have (on average 13.545454545454545) internal successors, (149), 12 states have internal predecessors, (149), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:53:26,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:53:26,963 INFO L93 Difference]: Finished difference Result 304 states and 347 transitions. [2024-10-13 13:53:26,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:53:26,963 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 13.545454545454545) internal successors, (149), 12 states have internal predecessors, (149), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 84 [2024-10-13 13:53:26,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:53:26,965 INFO L225 Difference]: With dead ends: 304 [2024-10-13 13:53:26,965 INFO L226 Difference]: Without dead ends: 292 [2024-10-13 13:53:26,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:53:26,966 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 386 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:53:26,966 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 131 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:53:26,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-10-13 13:53:26,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 254. [2024-10-13 13:53:26,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 228 states have (on average 1.1491228070175439) internal successors, (262), 245 states have internal predecessors, (262), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:53:26,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 276 transitions. [2024-10-13 13:53:26,977 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 276 transitions. Word has length 84 [2024-10-13 13:53:26,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:53:26,978 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 276 transitions. [2024-10-13 13:53:26,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 13.545454545454545) internal successors, (149), 12 states have internal predecessors, (149), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-13 13:53:26,978 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 276 transitions. [2024-10-13 13:53:26,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-13 13:53:26,979 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:53:26,979 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-13 13:53:26,995 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 13:53:27,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-13 13:53:27,182 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:53:27,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:53:27,183 INFO L85 PathProgramCache]: Analyzing trace with hash -2032896224, now seen corresponding path program 2 times [2024-10-13 13:53:27,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:53:27,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427274436] [2024-10-13 13:53:27,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:53:27,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:53:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:53:27,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1380983544] [2024-10-13 13:53:27,211 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:53:27,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:53:27,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:53:27,212 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 13:53:27,213 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 13:53:27,261 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:53:27,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:53:27,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-13 13:53:27,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:53:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 71 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 13:53:27,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:53:31,480 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-13 13:53:31,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:53:31,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427274436] [2024-10-13 13:53:31,481 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:53:31,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380983544] [2024-10-13 13:53:31,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380983544] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:53:31,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:53:31,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-10-13 13:53:31,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092484444] [2024-10-13 13:53:31,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:53:31,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:53:31,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:53:31,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:53:31,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:53:31,483 INFO L87 Difference]: Start difference. First operand 254 states and 276 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:53:33,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-10-13 13:53:36,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-10-13 13:53:38,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-10-13 13:53:45,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.51s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-10-13 13:53:45,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:53:45,362 INFO L93 Difference]: Finished difference Result 254 states and 276 transitions. [2024-10-13 13:53:45,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:53:45,362 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 99 [2024-10-13 13:53:45,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:53:45,363 INFO L225 Difference]: With dead ends: 254 [2024-10-13 13:53:45,363 INFO L226 Difference]: Without dead ends: 252 [2024-10-13 13:53:45,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-10-13 13:53:45,364 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 208 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:53:45,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 55 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 275 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2024-10-13 13:53:45,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-10-13 13:53:45,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2024-10-13 13:53:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 228 states have (on average 1.131578947368421) internal successors, (258), 243 states have internal predecessors, (258), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:53:45,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 272 transitions. [2024-10-13 13:53:45,378 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 272 transitions. Word has length 99 [2024-10-13 13:53:45,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:53:45,378 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 272 transitions. [2024-10-13 13:53:45,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:53:45,379 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 272 transitions. [2024-10-13 13:53:45,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-13 13:53:45,379 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:53:45,379 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-13 13:53:45,403 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 13:53:45,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-13 13:53:45,580 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:53:45,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:53:45,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1951701980, now seen corresponding path program 1 times [2024-10-13 13:53:45,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:53:45,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39463205] [2024-10-13 13:53:45,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:53:45,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:53:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:53:45,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [483218377] [2024-10-13 13:53:45,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:53:45,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:53:45,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:53:45,601 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 13:53:45,602 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 13:53:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:53:45,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 13:53:45,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:53:45,983 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:53:45,983 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:53:46,213 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-10-13 13:53:46,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:53:46,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39463205] [2024-10-13 13:53:46,214 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:53:46,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483218377] [2024-10-13 13:53:46,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483218377] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-13 13:53:46,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:53:46,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-10-13 13:53:46,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111722898] [2024-10-13 13:53:46,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:53:46,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:53:46,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:53:46,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:53:46,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:53:46,215 INFO L87 Difference]: Start difference. First operand 252 states and 272 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:53:46,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:53:46,755 INFO L93 Difference]: Finished difference Result 252 states and 272 transitions. [2024-10-13 13:53:46,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:53:46,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 103 [2024-10-13 13:53:46,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:53:46,757 INFO L225 Difference]: With dead ends: 252 [2024-10-13 13:53:46,757 INFO L226 Difference]: Without dead ends: 228 [2024-10-13 13:53:46,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 195 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:53:46,758 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 55 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:53:46,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 33 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:53:46,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-13 13:53:46,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-10-13 13:53:46,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 207 states have (on average 1.1207729468599035) internal successors, (232), 220 states have internal predecessors, (232), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:53:46,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 244 transitions. [2024-10-13 13:53:46,770 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 244 transitions. Word has length 103 [2024-10-13 13:53:46,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:53:46,770 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 244 transitions. [2024-10-13 13:53:46,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:53:46,770 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 244 transitions. [2024-10-13 13:53:46,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-13 13:53:46,771 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:53:46,771 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 13:53:46,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-13 13:53:46,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:53:46,972 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:53:46,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:53:46,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1709173205, now seen corresponding path program 2 times [2024-10-13 13:53:46,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:53:46,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332540799] [2024-10-13 13:53:46,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:53:46,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:53:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:53:46,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1022908886] [2024-10-13 13:53:46,988 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:53:46,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:53:46,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:53:46,990 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 13:53:46,991 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 13:53:47,029 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-13 13:53:47,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:53:47,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:53:47,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:53:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-10-13 13:53:47,431 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:53:47,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:53:47,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332540799] [2024-10-13 13:53:47,432 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:53:47,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022908886] [2024-10-13 13:53:47,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022908886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:53:47,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:53:47,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:53:47,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623331534] [2024-10-13 13:53:47,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:53:47,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:53:47,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:53:47,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:53:47,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:53:47,434 INFO L87 Difference]: Start difference. First operand 228 states and 244 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:53:47,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:53:47,530 INFO L93 Difference]: Finished difference Result 228 states and 244 transitions. [2024-10-13 13:53:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:53:47,530 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 112 [2024-10-13 13:53:47,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:53:47,531 INFO L225 Difference]: With dead ends: 228 [2024-10-13 13:53:47,531 INFO L226 Difference]: Without dead ends: 190 [2024-10-13 13:53:47,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:53:47,532 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 37 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:53:47,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 63 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:53:47,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-10-13 13:53:47,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2024-10-13 13:53:47,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 179 states have (on average 1.0558659217877095) internal successors, (189), 183 states have internal predecessors, (189), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:53:47,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 199 transitions. [2024-10-13 13:53:47,547 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 199 transitions. Word has length 112 [2024-10-13 13:53:47,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:53:47,547 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 199 transitions. [2024-10-13 13:53:47,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-13 13:53:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 199 transitions. [2024-10-13 13:53:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-13 13:53:47,549 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:53:47,549 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-13 13:53:47,566 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 13:53:47,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:53:47,754 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:53:47,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:53:47,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1709172019, now seen corresponding path program 1 times [2024-10-13 13:53:47,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:53:47,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030991579] [2024-10-13 13:53:47,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:53:47,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:53:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:53:47,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 13:53:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:53:47,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 13:53:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:53:47,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 13:53:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:53:47,908 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2024-10-13 13:53:47,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:53:47,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030991579] [2024-10-13 13:53:47,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030991579] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:53:47,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706658094] [2024-10-13 13:53:47,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:53:47,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:53:47,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:53:47,910 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 13:53:47,913 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 13:53:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:53:47,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:53:47,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:53:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:53:48,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:53:48,250 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:53:48,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706658094] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:53:48,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:53:48,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2024-10-13 13:53:48,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66189334] [2024-10-13 13:53:48,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:53:48,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:53:48,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:53:48,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:53:48,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:53:48,253 INFO L87 Difference]: Start difference. First operand 190 states and 199 transitions. Second operand has 10 states, 9 states have (on average 26.11111111111111) internal successors, (235), 10 states have internal predecessors, (235), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:53:48,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:53:48,311 INFO L93 Difference]: Finished difference Result 192 states and 199 transitions. [2024-10-13 13:53:48,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:53:48,311 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 26.11111111111111) internal successors, (235), 10 states have internal predecessors, (235), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 112 [2024-10-13 13:53:48,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:53:48,312 INFO L225 Difference]: With dead ends: 192 [2024-10-13 13:53:48,312 INFO L226 Difference]: Without dead ends: 191 [2024-10-13 13:53:48,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=122, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:53:48,313 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 61 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:53:48,313 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 188 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:53:48,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-13 13:53:48,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 189. [2024-10-13 13:53:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 179 states have (on average 1.0391061452513966) internal successors, (186), 182 states have internal predecessors, (186), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:53:48,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 196 transitions. [2024-10-13 13:53:48,324 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 196 transitions. Word has length 112 [2024-10-13 13:53:48,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:53:48,325 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 196 transitions. [2024-10-13 13:53:48,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 26.11111111111111) internal successors, (235), 10 states have internal predecessors, (235), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:53:48,325 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 196 transitions. [2024-10-13 13:53:48,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-10-13 13:53:48,326 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:53:48,326 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-10-13 13:53:48,342 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 13:53:48,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:53:48,527 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:53:48,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:53:48,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1982927999, now seen corresponding path program 1 times [2024-10-13 13:53:48,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:53:48,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919555820] [2024-10-13 13:53:48,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:53:48,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:53:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:53:48,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 13:53:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:53:48,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-13 13:53:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:53:48,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-13 13:53:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:53:48,588 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-10-13 13:53:48,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:53:48,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919555820] [2024-10-13 13:53:48,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919555820] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:53:48,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:53:48,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:53:48,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508226620] [2024-10-13 13:53:48,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:53:48,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:53:48,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:53:48,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:53:48,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:53:48,591 INFO L87 Difference]: Start difference. First operand 189 states and 196 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:53:48,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:53:48,638 INFO L93 Difference]: Finished difference Result 189 states and 196 transitions. [2024-10-13 13:53:48,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:53:48,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 127 [2024-10-13 13:53:48,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:53:48,640 INFO L225 Difference]: With dead ends: 189 [2024-10-13 13:53:48,640 INFO L226 Difference]: Without dead ends: 188 [2024-10-13 13:53:48,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:53:48,641 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 22 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:53:48,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 24 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:53:48,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-10-13 13:53:48,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2024-10-13 13:53:48,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 179 states have (on average 1.0279329608938548) internal successors, (184), 181 states have internal predecessors, (184), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-13 13:53:48,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 194 transitions. [2024-10-13 13:53:48,652 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 194 transitions. Word has length 127 [2024-10-13 13:53:48,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:53:48,653 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 194 transitions. [2024-10-13 13:53:48,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:53:48,653 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 194 transitions. [2024-10-13 13:53:48,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-13 13:53:48,654 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:53:48,654 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2024-10-13 13:53:48,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-13 13:53:48,654 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:53:48,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:53:48,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1371674371, now seen corresponding path program 1 times [2024-10-13 13:53:48,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:53:48,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440708888] [2024-10-13 13:53:48,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:53:48,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:53:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:53:48,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [81534076] [2024-10-13 13:53:48,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:53:48,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:53:48,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:53:48,677 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 13:53:48,679 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 13:53:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:53:48,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-13 13:53:48,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:53:48,898 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:53:48,898 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:53:49,177 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 13:53:49,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:53:49,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440708888] [2024-10-13 13:53:49,178 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:53:49,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81534076] [2024-10-13 13:53:49,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81534076] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:53:49,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:53:49,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-13 13:53:49,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650609011] [2024-10-13 13:53:49,178 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:53:49,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:53:49,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:53:49,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:53:49,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:53:49,179 INFO L87 Difference]: Start difference. First operand 188 states and 194 transitions. Second operand has 10 states, 9 states have (on average 25.444444444444443) internal successors, (229), 10 states have internal predecessors, (229), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:53:49,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:53:49,630 INFO L93 Difference]: Finished difference Result 304 states and 318 transitions. [2024-10-13 13:53:49,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:53:49,631 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 25.444444444444443) internal successors, (229), 10 states have internal predecessors, (229), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 129 [2024-10-13 13:53:49,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:53:49,632 INFO L225 Difference]: With dead ends: 304 [2024-10-13 13:53:49,632 INFO L226 Difference]: Without dead ends: 302 [2024-10-13 13:53:49,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:53:49,633 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 126 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 555 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 555 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:53:49,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 179 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 555 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:53:49,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-10-13 13:53:49,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 299. [2024-10-13 13:53:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 287 states have (on average 1.0209059233449478) internal successors, (293), 289 states have internal predecessors, (293), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-13 13:53:49,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 309 transitions. [2024-10-13 13:53:49,664 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 309 transitions. Word has length 129 [2024-10-13 13:53:49,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:53:49,665 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 309 transitions. [2024-10-13 13:53:49,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 25.444444444444443) internal successors, (229), 10 states have internal predecessors, (229), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:53:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 309 transitions. [2024-10-13 13:53:49,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-10-13 13:53:49,667 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:53:49,667 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1] [2024-10-13 13:53:49,684 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 13:53:49,867 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 13:53:49,868 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 57 more)] === [2024-10-13 13:53:49,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:53:49,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1085926755, now seen corresponding path program 2 times [2024-10-13 13:53:49,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:53:49,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528929477] [2024-10-13 13:53:49,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:53:49,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:53:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:53:49,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730447737] [2024-10-13 13:53:49,904 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:53:49,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:53:49,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:53:49,908 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 13:53:49,910 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 13:53:49,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:53:49,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:53:49,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-13 13:53:49,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:53:50,239 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 12 proven. 365 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-10-13 13:53:50,239 INFO L311 TraceCheckSpWp]: Computing backward predicates...