./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.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 cf96ccf42beeb32dd4ada276d6687a251a0093c06fe1150e921bbfebb3df0607 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:41:13,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:41:13,929 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:41:13,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:41:13,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:41:13,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:41:13,966 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:41:13,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:41:13,968 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:41:13,968 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:41:13,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:41:13,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:41:13,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:41:13,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:41:13,973 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:41:13,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:41:13,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:41:13,974 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:41:13,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:41:13,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:41:13,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:41:13,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:41:13,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:41:13,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:41:13,978 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:41:13,978 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:41:13,979 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:41:13,979 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:41:13,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:41:13,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:41:13,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:41:13,980 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:41:13,980 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:41:13,981 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:41:13,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:41:13,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:41:13,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:41:13,982 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:41:13,982 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:41:13,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:41:13,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:41:13,983 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:41:13,983 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:41:13,983 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:41:13,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf96ccf42beeb32dd4ada276d6687a251a0093c06fe1150e921bbfebb3df0607 [2024-11-09 11:41:14,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:41:14,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:41:14,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:41:14,254 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:41:14,254 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:41:14,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c [2024-11-09 11:41:15,772 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:41:15,963 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:41:15,963 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c [2024-11-09 11:41:15,972 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493d76fe8/a2cedbecbf65401883e12b32f56ff432/FLAG28745f8f0 [2024-11-09 11:41:15,989 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/493d76fe8/a2cedbecbf65401883e12b32f56ff432 [2024-11-09 11:41:15,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:41:15,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:41:15,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:41:15,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:41:16,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:41:16,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:41:15" (1/1) ... [2024-11-09 11:41:16,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a8a507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16, skipping insertion in model container [2024-11-09 11:41:16,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:41:15" (1/1) ... [2024-11-09 11:41:16,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:41:16,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:41:16,239 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:41:16,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:41:16,274 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:41:16,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16 WrapperNode [2024-11-09 11:41:16,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:41:16,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:41:16,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:41:16,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:41:16,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16" (1/1) ... [2024-11-09 11:41:16,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16" (1/1) ... [2024-11-09 11:41:16,328 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2024-11-09 11:41:16,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:41:16,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:41:16,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:41:16,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:41:16,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16" (1/1) ... [2024-11-09 11:41:16,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16" (1/1) ... [2024-11-09 11:41:16,341 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16" (1/1) ... [2024-11-09 11:41:16,359 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:41:16,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16" (1/1) ... [2024-11-09 11:41:16,360 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16" (1/1) ... [2024-11-09 11:41:16,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16" (1/1) ... [2024-11-09 11:41:16,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16" (1/1) ... [2024-11-09 11:41:16,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16" (1/1) ... [2024-11-09 11:41:16,387 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16" (1/1) ... [2024-11-09 11:41:16,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:41:16,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:41:16,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:41:16,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:41:16,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16" (1/1) ... [2024-11-09 11:41:16,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:41:16,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:16,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:41:16,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:41:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:41:16,525 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 11:41:16,525 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 11:41:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:41:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:41:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:41:16,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:41:16,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:41:16,594 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:41:16,600 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:41:17,415 INFO L? ?]: Removed 200 outVars from TransFormulas that were not future-live. [2024-11-09 11:41:17,415 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:41:17,432 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:41:17,433 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 11:41:17,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:41:17 BoogieIcfgContainer [2024-11-09 11:41:17,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:41:17,436 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:41:17,436 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:41:17,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:41:17,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:41:15" (1/3) ... [2024-11-09 11:41:17,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57630293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:41:17, skipping insertion in model container [2024-11-09 11:41:17,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:41:16" (2/3) ... [2024-11-09 11:41:17,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57630293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:41:17, skipping insertion in model container [2024-11-09 11:41:17,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:41:17" (3/3) ... [2024-11-09 11:41:17,444 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_unwindbound2.c [2024-11-09 11:41:17,464 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:41:17,465 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2024-11-09 11:41:17,540 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:41:17,547 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;@18e6cacd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:41:17,547 INFO L334 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2024-11-09 11:41:17,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 89 states have (on average 1.853932584269663) internal successors, (165), 158 states have internal predecessors, (165), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:41:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:41:17,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:17,557 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:17,557 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:17,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:17,562 INFO L85 PathProgramCache]: Analyzing trace with hash -863715224, now seen corresponding path program 1 times [2024-11-09 11:41:17,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:17,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868324277] [2024-11-09 11:41:17,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:17,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,738 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:41:17,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:17,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868324277] [2024-11-09 11:41:17,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868324277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:17,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:17,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:41:17,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095985784] [2024-11-09 11:41:17,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:17,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:41:17,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:17,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:41:17,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:41:17,773 INFO L87 Difference]: Start difference. First operand has 170 states, 89 states have (on average 1.853932584269663) internal successors, (165), 158 states have internal predecessors, (165), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:41:17,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:17,801 INFO L93 Difference]: Finished difference Result 335 states and 375 transitions. [2024-11-09 11:41:17,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:41:17,803 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-09 11:41:17,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:17,810 INFO L225 Difference]: With dead ends: 335 [2024-11-09 11:41:17,810 INFO L226 Difference]: Without dead ends: 162 [2024-11-09 11:41:17,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:41:17,816 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:17,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:41:17,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-09 11:41:17,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-09 11:41:17,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 84 states have (on average 1.8333333333333333) internal successors, (154), 151 states have internal predecessors, (154), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:41:17,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 172 transitions. [2024-11-09 11:41:17,858 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 172 transitions. Word has length 14 [2024-11-09 11:41:17,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:17,859 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 172 transitions. [2024-11-09 11:41:17,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:41:17,859 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 172 transitions. [2024-11-09 11:41:17,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:41:17,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:17,864 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:17,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:41:17,865 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:17,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:17,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1254895192, now seen corresponding path program 1 times [2024-11-09 11:41:17,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:17,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090248602] [2024-11-09 11:41:17,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:17,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:17,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1047994293] [2024-11-09 11:41:17,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:17,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:17,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:17,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:17,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:41:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:17,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:41:17,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:18,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:41:18,096 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:18,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:18,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090248602] [2024-11-09 11:41:18,098 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:18,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1047994293] [2024-11-09 11:41:18,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1047994293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:18,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:18,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 11:41:18,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044820432] [2024-11-09 11:41:18,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:18,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:41:18,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:18,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:41:18,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:18,102 INFO L87 Difference]: Start difference. First operand 162 states and 172 transitions. Second operand has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:41:18,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:18,443 INFO L93 Difference]: Finished difference Result 162 states and 172 transitions. [2024-11-09 11:41:18,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:18,444 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 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 14 [2024-11-09 11:41:18,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:18,446 INFO L225 Difference]: With dead ends: 162 [2024-11-09 11:41:18,446 INFO L226 Difference]: Without dead ends: 160 [2024-11-09 11:41:18,447 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:18,448 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 220 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:18,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 256 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:18,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-09 11:41:18,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-09 11:41:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 84 states have (on average 1.8095238095238095) internal successors, (152), 149 states have internal predecessors, (152), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:41:18,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 170 transitions. [2024-11-09 11:41:18,470 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 170 transitions. Word has length 14 [2024-11-09 11:41:18,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:18,471 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 170 transitions. [2024-11-09 11:41:18,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 1.75) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:41:18,471 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 170 transitions. [2024-11-09 11:41:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:41:18,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:18,472 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:18,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:18,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:18,676 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:18,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:18,677 INFO L85 PathProgramCache]: Analyzing trace with hash -247045249, now seen corresponding path program 1 times [2024-11-09 11:41:18,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:18,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41482498] [2024-11-09 11:41:18,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:18,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:18,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [744021392] [2024-11-09 11:41:18,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:18,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:18,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:18,695 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:18,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:41:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:18,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:41:18,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:18,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:41:18,829 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:18,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:18,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41482498] [2024-11-09 11:41:18,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:18,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744021392] [2024-11-09 11:41:18,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744021392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:18,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:18,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:41:18,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632718305] [2024-11-09 11:41:18,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:18,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:18,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:18,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:18,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:41:18,835 INFO L87 Difference]: Start difference. First operand 160 states and 170 transitions. Second operand has 6 states, 4 states have (on average 2.75) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:41:19,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:19,351 INFO L93 Difference]: Finished difference Result 160 states and 170 transitions. [2024-11-09 11:41:19,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:41:19,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-09 11:41:19,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:19,353 INFO L225 Difference]: With dead ends: 160 [2024-11-09 11:41:19,353 INFO L226 Difference]: Without dead ends: 159 [2024-11-09 11:41:19,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:41:19,354 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 206 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:19,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 256 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:41:19,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-09 11:41:19,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-09 11:41:19,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 84 states have (on average 1.7976190476190477) internal successors, (151), 148 states have internal predecessors, (151), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:41:19,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 169 transitions. [2024-11-09 11:41:19,366 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 169 transitions. Word has length 15 [2024-11-09 11:41:19,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:19,366 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 169 transitions. [2024-11-09 11:41:19,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.75) internal successors, (11), 6 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:41:19,366 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 169 transitions. [2024-11-09 11:41:19,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:41:19,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:19,367 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:19,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:41:19,569 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,SelfDestructingSolverStorable2 [2024-11-09 11:41:19,570 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:19,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:19,571 INFO L85 PathProgramCache]: Analyzing trace with hash -403184857, now seen corresponding path program 1 times [2024-11-09 11:41:19,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:19,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919697201] [2024-11-09 11:41:19,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:19,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,715 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:19,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:19,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919697201] [2024-11-09 11:41:19,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919697201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:19,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:19,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:19,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330185319] [2024-11-09 11:41:19,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:19,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:19,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:19,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:19,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:19,722 INFO L87 Difference]: Start difference. First operand 159 states and 169 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:19,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:19,763 INFO L93 Difference]: Finished difference Result 200 states and 211 transitions. [2024-11-09 11:41:19,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:19,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-11-09 11:41:19,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:19,765 INFO L225 Difference]: With dead ends: 200 [2024-11-09 11:41:19,765 INFO L226 Difference]: Without dead ends: 199 [2024-11-09 11:41:19,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:19,768 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 48 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:19,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 469 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:41:19,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-09 11:41:19,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 175. [2024-11-09 11:41:19,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7755102040816326) internal successors, (174), 162 states have internal predecessors, (174), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:41:19,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 194 transitions. [2024-11-09 11:41:19,792 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 194 transitions. Word has length 29 [2024-11-09 11:41:19,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:19,792 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 194 transitions. [2024-11-09 11:41:19,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:19,793 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 194 transitions. [2024-11-09 11:41:19,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:41:19,793 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:19,793 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:19,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 11:41:19,794 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:19,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:19,794 INFO L85 PathProgramCache]: Analyzing trace with hash 386171375, now seen corresponding path program 1 times [2024-11-09 11:41:19,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:19,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163465363] [2024-11-09 11:41:19,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:19,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:19,938 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:19,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:19,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163465363] [2024-11-09 11:41:19,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163465363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:19,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:19,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:19,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253460737] [2024-11-09 11:41:19,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:19,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:19,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:19,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:19,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:19,941 INFO L87 Difference]: Start difference. First operand 175 states and 194 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:19,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:19,977 INFO L93 Difference]: Finished difference Result 205 states and 222 transitions. [2024-11-09 11:41:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:41:19,977 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-09 11:41:19,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:19,980 INFO L225 Difference]: With dead ends: 205 [2024-11-09 11:41:19,980 INFO L226 Difference]: Without dead ends: 175 [2024-11-09 11:41:19,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:19,985 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 10 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:19,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 472 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:41:19,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-09 11:41:20,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2024-11-09 11:41:20,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 98 states have (on average 1.7551020408163265) internal successors, (172), 162 states have internal predecessors, (172), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 11:41:20,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 192 transitions. [2024-11-09 11:41:20,007 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 192 transitions. Word has length 30 [2024-11-09 11:41:20,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:20,007 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 192 transitions. [2024-11-09 11:41:20,007 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:20,007 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 192 transitions. [2024-11-09 11:41:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 11:41:20,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:20,008 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:20,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:41:20,009 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:20,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:20,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1785894546, now seen corresponding path program 1 times [2024-11-09 11:41:20,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:20,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117081452] [2024-11-09 11:41:20,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:20,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:20,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:20,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:20,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:20,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:20,182 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:20,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:20,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117081452] [2024-11-09 11:41:20,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117081452] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:20,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358795312] [2024-11-09 11:41:20,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:20,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:20,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:20,192 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:20,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:41:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:20,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:41:20,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:20,290 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:20,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358795312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:20,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:20,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-09 11:41:20,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770577588] [2024-11-09 11:41:20,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:20,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:41:20,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:20,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:41:20,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:20,293 INFO L87 Difference]: Start difference. First operand 175 states and 192 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:20,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:20,703 INFO L93 Difference]: Finished difference Result 277 states and 309 transitions. [2024-11-09 11:41:20,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:41:20,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2024-11-09 11:41:20,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:20,706 INFO L225 Difference]: With dead ends: 277 [2024-11-09 11:41:20,706 INFO L226 Difference]: Without dead ends: 267 [2024-11-09 11:41:20,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:20,708 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 95 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:20,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 234 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:20,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2024-11-09 11:41:20,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 227. [2024-11-09 11:41:20,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 146 states have (on average 1.7534246575342465) internal successors, (256), 210 states have internal predecessors, (256), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:41:20,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 284 transitions. [2024-11-09 11:41:20,721 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 284 transitions. Word has length 33 [2024-11-09 11:41:20,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:20,722 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 284 transitions. [2024-11-09 11:41:20,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:20,722 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 284 transitions. [2024-11-09 11:41:20,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:41:20,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:20,723 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:20,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:20,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:20,924 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:20,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:20,924 INFO L85 PathProgramCache]: Analyzing trace with hash 471842102, now seen corresponding path program 1 times [2024-11-09 11:41:20,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:20,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598051274] [2024-11-09 11:41:20,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:20,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,052 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:21,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:21,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598051274] [2024-11-09 11:41:21,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598051274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:21,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:21,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:41:21,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791388023] [2024-11-09 11:41:21,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:21,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:21,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:21,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:21,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:41:21,055 INFO L87 Difference]: Start difference. First operand 227 states and 284 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:21,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:21,146 INFO L93 Difference]: Finished difference Result 227 states and 284 transitions. [2024-11-09 11:41:21,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:21,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2024-11-09 11:41:21,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:21,150 INFO L225 Difference]: With dead ends: 227 [2024-11-09 11:41:21,150 INFO L226 Difference]: Without dead ends: 225 [2024-11-09 11:41:21,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:41:21,151 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 157 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:21,151 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 472 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:41:21,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-09 11:41:21,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2024-11-09 11:41:21,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 146 states have (on average 1.7328767123287672) internal successors, (253), 208 states have internal predecessors, (253), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:41:21,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 281 transitions. [2024-11-09 11:41:21,164 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 281 transitions. Word has length 34 [2024-11-09 11:41:21,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:21,166 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 281 transitions. [2024-11-09 11:41:21,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:21,167 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 281 transitions. [2024-11-09 11:41:21,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 11:41:21,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:21,169 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:21,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 11:41:21,170 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:21,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:21,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1742265904, now seen corresponding path program 1 times [2024-11-09 11:41:21,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:21,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977459632] [2024-11-09 11:41:21,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:21,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,289 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:21,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:21,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977459632] [2024-11-09 11:41:21,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977459632] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:21,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636165026] [2024-11-09 11:41:21,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:21,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:21,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:21,293 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:21,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:41:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:21,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:21,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:21,443 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:21,444 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:21,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636165026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:21,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:21,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:21,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4583578] [2024-11-09 11:41:21,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:21,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:21,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:21,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:21,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:21,445 INFO L87 Difference]: Start difference. First operand 225 states and 281 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:21,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:21,807 INFO L93 Difference]: Finished difference Result 255 states and 304 transitions. [2024-11-09 11:41:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:21,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2024-11-09 11:41:21,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:21,811 INFO L225 Difference]: With dead ends: 255 [2024-11-09 11:41:21,812 INFO L226 Difference]: Without dead ends: 252 [2024-11-09 11:41:21,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:21,813 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 281 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:21,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 170 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:21,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-09 11:41:21,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 225. [2024-11-09 11:41:21,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 146 states have (on average 1.7123287671232876) internal successors, (250), 208 states have internal predecessors, (250), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:41:21,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 278 transitions. [2024-11-09 11:41:21,827 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 278 transitions. Word has length 35 [2024-11-09 11:41:21,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:21,829 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 278 transitions. [2024-11-09 11:41:21,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:21,830 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 278 transitions. [2024-11-09 11:41:21,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 11:41:21,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:21,830 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:21,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:41:22,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:22,031 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:22,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:22,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1742203347, now seen corresponding path program 1 times [2024-11-09 11:41:22,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:22,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326558851] [2024-11-09 11:41:22,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:22,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:22,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:22,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:22,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:22,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:22,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:22,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326558851] [2024-11-09 11:41:22,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326558851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:22,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:22,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:41:22,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072789644] [2024-11-09 11:41:22,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:22,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:22,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:22,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:22,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:41:22,119 INFO L87 Difference]: Start difference. First operand 225 states and 278 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:22,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:22,186 INFO L93 Difference]: Finished difference Result 389 states and 447 transitions. [2024-11-09 11:41:22,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:41:22,187 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 35 [2024-11-09 11:41:22,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:22,188 INFO L225 Difference]: With dead ends: 389 [2024-11-09 11:41:22,188 INFO L226 Difference]: Without dead ends: 244 [2024-11-09 11:41:22,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:41:22,190 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 44 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:22,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 640 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:41:22,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-09 11:41:22,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 229. [2024-11-09 11:41:22,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6933333333333334) internal successors, (254), 212 states have internal predecessors, (254), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:41:22,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 282 transitions. [2024-11-09 11:41:22,201 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 282 transitions. Word has length 35 [2024-11-09 11:41:22,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:22,201 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 282 transitions. [2024-11-09 11:41:22,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:22,202 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 282 transitions. [2024-11-09 11:41:22,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 11:41:22,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:22,203 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:22,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:41:22,203 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:22,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:22,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1824331626, now seen corresponding path program 1 times [2024-11-09 11:41:22,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:22,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293571675] [2024-11-09 11:41:22,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:22,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:22,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:22,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:22,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:22,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:22,336 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:22,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:22,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293571675] [2024-11-09 11:41:22,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293571675] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:22,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [396434321] [2024-11-09 11:41:22,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:22,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:22,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:22,338 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:22,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:41:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:22,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:41:22,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:22,485 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:22,485 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:22,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [396434321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:22,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:22,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:22,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447502697] [2024-11-09 11:41:22,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:22,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:22,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:22,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:22,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:22,487 INFO L87 Difference]: Start difference. First operand 229 states and 282 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:23,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:23,150 INFO L93 Difference]: Finished difference Result 243 states and 293 transitions. [2024-11-09 11:41:23,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:23,150 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2024-11-09 11:41:23,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:23,152 INFO L225 Difference]: With dead ends: 243 [2024-11-09 11:41:23,152 INFO L226 Difference]: Without dead ends: 242 [2024-11-09 11:41:23,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:23,153 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 63 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:23,153 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 223 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:41:23,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-09 11:41:23,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 229. [2024-11-09 11:41:23,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6866666666666668) internal successors, (253), 212 states have internal predecessors, (253), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:41:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 281 transitions. [2024-11-09 11:41:23,165 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 281 transitions. Word has length 36 [2024-11-09 11:41:23,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:23,165 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 281 transitions. [2024-11-09 11:41:23,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:23,166 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 281 transitions. [2024-11-09 11:41:23,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 11:41:23,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:23,167 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:23,185 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:41:23,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 11:41:23,372 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:23,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:23,373 INFO L85 PathProgramCache]: Analyzing trace with hash -719705358, now seen corresponding path program 1 times [2024-11-09 11:41:23,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:23,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650440028] [2024-11-09 11:41:23,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:23,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:23,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:23,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:23,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:23,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:23,484 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:23,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:23,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650440028] [2024-11-09 11:41:23,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650440028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:23,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491657429] [2024-11-09 11:41:23,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:23,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:23,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:23,486 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:23,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:41:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:23,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:23,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:23,575 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:23,576 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:23,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [491657429] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:23,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:23,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:23,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132289475] [2024-11-09 11:41:23,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:23,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:23,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:23,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:23,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:23,578 INFO L87 Difference]: Start difference. First operand 229 states and 281 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:24,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:24,494 INFO L93 Difference]: Finished difference Result 287 states and 323 transitions. [2024-11-09 11:41:24,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:24,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 37 [2024-11-09 11:41:24,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:24,497 INFO L225 Difference]: With dead ends: 287 [2024-11-09 11:41:24,497 INFO L226 Difference]: Without dead ends: 285 [2024-11-09 11:41:24,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:24,498 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 156 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:24,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 255 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:41:24,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-09 11:41:24,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 229. [2024-11-09 11:41:24,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.6733333333333333) internal successors, (251), 212 states have internal predecessors, (251), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:41:24,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 279 transitions. [2024-11-09 11:41:24,512 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 279 transitions. Word has length 37 [2024-11-09 11:41:24,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:24,513 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 279 transitions. [2024-11-09 11:41:24,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 279 transitions. [2024-11-09 11:41:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-09 11:41:24,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:24,515 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:24,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:41:24,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:24,716 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:24,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:24,716 INFO L85 PathProgramCache]: Analyzing trace with hash -779826475, now seen corresponding path program 1 times [2024-11-09 11:41:24,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:24,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994477295] [2024-11-09 11:41:24,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:24,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:24,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1254511211] [2024-11-09 11:41:24,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:24,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:24,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:24,730 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:24,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:41:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:24,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:41:24,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:24,791 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:24,792 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:24,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:24,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994477295] [2024-11-09 11:41:24,792 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:24,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254511211] [2024-11-09 11:41:24,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254511211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:24,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:24,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:41:24,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204511978] [2024-11-09 11:41:24,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:24,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:41:24,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:24,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:41:24,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:41:24,794 INFO L87 Difference]: Start difference. First operand 229 states and 279 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:24,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:24,898 INFO L93 Difference]: Finished difference Result 378 states and 476 transitions. [2024-11-09 11:41:24,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:41:24,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-09 11:41:24,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:24,901 INFO L225 Difference]: With dead ends: 378 [2024-11-09 11:41:24,901 INFO L226 Difference]: Without dead ends: 370 [2024-11-09 11:41:24,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:41:24,902 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 85 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:24,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 286 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:41:24,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-11-09 11:41:24,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 330. [2024-11-09 11:41:24,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.699588477366255) internal successors, (413), 305 states have internal predecessors, (413), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:24,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 457 transitions. [2024-11-09 11:41:24,918 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 457 transitions. Word has length 37 [2024-11-09 11:41:24,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:24,919 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 457 transitions. [2024-11-09 11:41:24,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:41:24,920 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 457 transitions. [2024-11-09 11:41:24,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 11:41:24,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:24,922 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:24,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:41:25,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:25,123 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:25,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:25,124 INFO L85 PathProgramCache]: Analyzing trace with hash -836029416, now seen corresponding path program 1 times [2024-11-09 11:41:25,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:25,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575974165] [2024-11-09 11:41:25,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:25,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:25,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:25,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:25,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:25,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:25,224 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:25,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:25,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575974165] [2024-11-09 11:41:25,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575974165] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:25,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816409766] [2024-11-09 11:41:25,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:25,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:25,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:25,227 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:25,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:41:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:25,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:25,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:25,412 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:25,412 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:25,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816409766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:25,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:25,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:25,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812778092] [2024-11-09 11:41:25,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:25,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:25,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:25,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:25,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:25,414 INFO L87 Difference]: Start difference. First operand 330 states and 457 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:26,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:26,903 INFO L93 Difference]: Finished difference Result 377 states and 479 transitions. [2024-11-09 11:41:26,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:26,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2024-11-09 11:41:26,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:26,905 INFO L225 Difference]: With dead ends: 377 [2024-11-09 11:41:26,905 INFO L226 Difference]: Without dead ends: 373 [2024-11-09 11:41:26,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:26,906 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 104 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:26,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 300 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 11:41:26,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-09 11:41:26,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 330. [2024-11-09 11:41:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6748971193415638) internal successors, (407), 305 states have internal predecessors, (407), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:26,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 451 transitions. [2024-11-09 11:41:26,921 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 451 transitions. Word has length 38 [2024-11-09 11:41:26,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:26,921 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 451 transitions. [2024-11-09 11:41:26,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 451 transitions. [2024-11-09 11:41:26,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 11:41:26,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:26,923 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:26,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:41:27,123 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,SelfDestructingSolverStorable12 [2024-11-09 11:41:27,124 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:27,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:27,125 INFO L85 PathProgramCache]: Analyzing trace with hash -2088930345, now seen corresponding path program 1 times [2024-11-09 11:41:27,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:27,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540417871] [2024-11-09 11:41:27,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:27,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:27,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:27,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:27,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540417871] [2024-11-09 11:41:27,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540417871] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:27,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389991006] [2024-11-09 11:41:27,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:27,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:27,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:27,312 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:27,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:41:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:27,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:41:27,361 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:27,435 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:27,435 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:27,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389991006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:27,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:27,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-09 11:41:27,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550374243] [2024-11-09 11:41:27,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:27,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:27,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:27,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:27,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:41:27,438 INFO L87 Difference]: Start difference. First operand 330 states and 451 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:28,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:28,499 INFO L93 Difference]: Finished difference Result 394 states and 463 transitions. [2024-11-09 11:41:28,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:28,499 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2024-11-09 11:41:28,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:28,501 INFO L225 Difference]: With dead ends: 394 [2024-11-09 11:41:28,501 INFO L226 Difference]: Without dead ends: 393 [2024-11-09 11:41:28,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:41:28,502 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 437 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:28,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 323 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:41:28,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-09 11:41:28,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 330. [2024-11-09 11:41:28,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6707818930041152) internal successors, (406), 305 states have internal predecessors, (406), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:28,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 450 transitions. [2024-11-09 11:41:28,516 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 450 transitions. Word has length 39 [2024-11-09 11:41:28,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:28,517 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 450 transitions. [2024-11-09 11:41:28,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:28,517 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 450 transitions. [2024-11-09 11:41:28,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-09 11:41:28,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:28,518 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:28,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:41:28,721 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,SelfDestructingSolverStorable13 [2024-11-09 11:41:28,722 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:28,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:28,722 INFO L85 PathProgramCache]: Analyzing trace with hash -332331169, now seen corresponding path program 1 times [2024-11-09 11:41:28,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:28,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891041245] [2024-11-09 11:41:28,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:28,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:28,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1896233424] [2024-11-09 11:41:28,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:28,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:28,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:28,765 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:28,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:41:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:28,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:41:28,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:28,872 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:28,872 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:28,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:28,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891041245] [2024-11-09 11:41:28,872 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:28,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896233424] [2024-11-09 11:41:28,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896233424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:28,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:28,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:41:28,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022277626] [2024-11-09 11:41:28,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:28,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:28,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:28,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:28,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:28,875 INFO L87 Difference]: Start difference. First operand 330 states and 450 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:29,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:29,617 INFO L93 Difference]: Finished difference Result 394 states and 462 transitions. [2024-11-09 11:41:29,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:29,618 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2024-11-09 11:41:29,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:29,620 INFO L225 Difference]: With dead ends: 394 [2024-11-09 11:41:29,620 INFO L226 Difference]: Without dead ends: 393 [2024-11-09 11:41:29,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:29,622 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 442 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:29,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 317 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:41:29,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-09 11:41:29,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 330. [2024-11-09 11:41:29,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 243 states have (on average 1.6666666666666667) internal successors, (405), 305 states have internal predecessors, (405), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:29,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 449 transitions. [2024-11-09 11:41:29,638 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 449 transitions. Word has length 40 [2024-11-09 11:41:29,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:29,638 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 449 transitions. [2024-11-09 11:41:29,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:41:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 449 transitions. [2024-11-09 11:41:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:41:29,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:29,639 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:29,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:41:29,840 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,SelfDestructingSolverStorable14 [2024-11-09 11:41:29,840 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:29,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:29,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1088285335, now seen corresponding path program 1 times [2024-11-09 11:41:29,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:29,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079576291] [2024-11-09 11:41:29,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:29,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:29,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:29,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:29,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:29,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:29,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 11:41:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:29,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:29,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079576291] [2024-11-09 11:41:29,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079576291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:29,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108734834] [2024-11-09 11:41:29,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:29,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:29,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:29,929 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:29,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:41:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:29,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:29,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:30,067 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:30,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108734834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:30,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:30,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:30,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973358082] [2024-11-09 11:41:30,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:30,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:30,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:30,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:30,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:30,069 INFO L87 Difference]: Start difference. First operand 330 states and 449 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:30,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:30,400 INFO L93 Difference]: Finished difference Result 359 states and 461 transitions. [2024-11-09 11:41:30,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:30,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-11-09 11:41:30,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:30,403 INFO L225 Difference]: With dead ends: 359 [2024-11-09 11:41:30,403 INFO L226 Difference]: Without dead ends: 357 [2024-11-09 11:41:30,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:30,403 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 184 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:30,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 228 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:30,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-09 11:41:30,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 331. [2024-11-09 11:41:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 244 states have (on average 1.6557377049180328) internal successors, (404), 305 states have internal predecessors, (404), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 448 transitions. [2024-11-09 11:41:30,418 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 448 transitions. Word has length 44 [2024-11-09 11:41:30,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:30,419 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 448 transitions. [2024-11-09 11:41:30,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:30,419 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 448 transitions. [2024-11-09 11:41:30,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:41:30,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:30,420 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:30,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:41:30,620 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,SelfDestructingSolverStorable15 [2024-11-09 11:41:30,621 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:30,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:30,621 INFO L85 PathProgramCache]: Analyzing trace with hash 622893190, now seen corresponding path program 1 times [2024-11-09 11:41:30,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:30,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731799248] [2024-11-09 11:41:30,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:30,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:30,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:30,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:30,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:30,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:30,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:30,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 11:41:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:30,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:30,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731799248] [2024-11-09 11:41:30,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731799248] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:30,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058880553] [2024-11-09 11:41:30,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:30,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:30,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:30,740 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:30,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:41:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:30,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:30,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:30,877 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:30,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058880553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:30,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:30,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:30,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335126313] [2024-11-09 11:41:30,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:30,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:30,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:30,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:30,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:30,879 INFO L87 Difference]: Start difference. First operand 331 states and 448 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:31,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:31,173 INFO L93 Difference]: Finished difference Result 359 states and 458 transitions. [2024-11-09 11:41:31,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:31,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-09 11:41:31,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:31,175 INFO L225 Difference]: With dead ends: 359 [2024-11-09 11:41:31,176 INFO L226 Difference]: Without dead ends: 357 [2024-11-09 11:41:31,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:31,177 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 255 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:31,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 212 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:31,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-09 11:41:31,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 332. [2024-11-09 11:41:31,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 245 states have (on average 1.6448979591836734) internal successors, (403), 306 states have internal predecessors, (403), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:31,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 447 transitions. [2024-11-09 11:41:31,195 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 447 transitions. Word has length 45 [2024-11-09 11:41:31,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:31,195 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 447 transitions. [2024-11-09 11:41:31,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:31,195 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 447 transitions. [2024-11-09 11:41:31,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 11:41:31,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:31,196 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:31,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:41:31,399 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,SelfDestructingSolverStorable16 [2024-11-09 11:41:31,400 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:31,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:31,400 INFO L85 PathProgramCache]: Analyzing trace with hash 2129819915, now seen corresponding path program 1 times [2024-11-09 11:41:31,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:31,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570855383] [2024-11-09 11:41:31,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:31,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 11:41:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,486 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:31,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:31,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570855383] [2024-11-09 11:41:31,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570855383] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:31,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726319857] [2024-11-09 11:41:31,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:31,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:31,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:31,488 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:31,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:41:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:41:31,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:31,570 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:31,570 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:31,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726319857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:31,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:31,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-09 11:41:31,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478539291] [2024-11-09 11:41:31,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:31,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:41:31,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:31,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:41:31,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:31,572 INFO L87 Difference]: Start difference. First operand 332 states and 447 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:31,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:31,612 INFO L93 Difference]: Finished difference Result 373 states and 465 transitions. [2024-11-09 11:41:31,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:41:31,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-09 11:41:31,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:31,614 INFO L225 Difference]: With dead ends: 373 [2024-11-09 11:41:31,614 INFO L226 Difference]: Without dead ends: 369 [2024-11-09 11:41:31,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:31,615 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 81 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:31,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 298 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:41:31,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-09 11:41:31,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 334. [2024-11-09 11:41:31,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 247 states have (on average 1.6234817813765183) internal successors, (401), 308 states have internal predecessors, (401), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:31,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 445 transitions. [2024-11-09 11:41:31,630 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 445 transitions. Word has length 46 [2024-11-09 11:41:31,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:31,631 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 445 transitions. [2024-11-09 11:41:31,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:31,631 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 445 transitions. [2024-11-09 11:41:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-09 11:41:31,631 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:31,632 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:31,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:31,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:41:31,837 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:31,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:31,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1942455123, now seen corresponding path program 1 times [2024-11-09 11:41:31,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:31,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416511107] [2024-11-09 11:41:31,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:31,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 11:41:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,920 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:31,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:31,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416511107] [2024-11-09 11:41:31,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416511107] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:31,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631682163] [2024-11-09 11:41:31,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:31,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:31,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:31,924 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:31,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:41:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:31,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:31,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:32,049 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:32,050 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:32,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631682163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:32,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:32,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:32,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987712143] [2024-11-09 11:41:32,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:32,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:32,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:32,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:32,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:32,053 INFO L87 Difference]: Start difference. First operand 334 states and 445 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:32,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:32,666 INFO L93 Difference]: Finished difference Result 371 states and 459 transitions. [2024-11-09 11:41:32,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:32,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2024-11-09 11:41:32,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:32,668 INFO L225 Difference]: With dead ends: 371 [2024-11-09 11:41:32,668 INFO L226 Difference]: Without dead ends: 369 [2024-11-09 11:41:32,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:32,669 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 88 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:32,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 385 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:41:32,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-09 11:41:32,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 335. [2024-11-09 11:41:32,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 248 states have (on average 1.6129032258064515) internal successors, (400), 309 states have internal predecessors, (400), 22 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-09 11:41:32,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 444 transitions. [2024-11-09 11:41:32,683 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 444 transitions. Word has length 48 [2024-11-09 11:41:32,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:32,683 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 444 transitions. [2024-11-09 11:41:32,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 444 transitions. [2024-11-09 11:41:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 11:41:32,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:32,684 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:32,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 11:41:32,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:32,885 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:32,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:32,885 INFO L85 PathProgramCache]: Analyzing trace with hash -86566454, now seen corresponding path program 1 times [2024-11-09 11:41:32,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:32,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803862430] [2024-11-09 11:41:32,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:32,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:32,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:32,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:32,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:32,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:32,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 11:41:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:32,965 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:41:32,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:32,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803862430] [2024-11-09 11:41:32,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803862430] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:32,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721238425] [2024-11-09 11:41:32,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:32,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:32,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:32,968 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:32,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:41:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:33,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:33,016 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:41:33,152 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:33,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721238425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:33,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:33,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-09 11:41:33,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021159706] [2024-11-09 11:41:33,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:33,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:33,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:33,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:33,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:33,154 INFO L87 Difference]: Start difference. First operand 335 states and 444 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:33,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:33,553 INFO L93 Difference]: Finished difference Result 371 states and 456 transitions. [2024-11-09 11:41:33,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:33,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-11-09 11:41:33,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:33,556 INFO L225 Difference]: With dead ends: 371 [2024-11-09 11:41:33,556 INFO L226 Difference]: Without dead ends: 352 [2024-11-09 11:41:33,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:33,557 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 140 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:33,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 313 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:41:33,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-09 11:41:33,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 319. [2024-11-09 11:41:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6367521367521367) internal successors, (383), 295 states have internal predecessors, (383), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:33,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 425 transitions. [2024-11-09 11:41:33,571 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 425 transitions. Word has length 49 [2024-11-09 11:41:33,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:33,571 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 425 transitions. [2024-11-09 11:41:33,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:41:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 425 transitions. [2024-11-09 11:41:33,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 11:41:33,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:33,572 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:33,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 11:41:33,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:33,773 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:33,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:33,773 INFO L85 PathProgramCache]: Analyzing trace with hash -1104239039, now seen corresponding path program 1 times [2024-11-09 11:41:33,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:33,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889954523] [2024-11-09 11:41:33,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:33,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:33,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118123395] [2024-11-09 11:41:33,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:33,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:33,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:33,787 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:33,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:41:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:33,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:33,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:33,940 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:41:33,940 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:33,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:33,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889954523] [2024-11-09 11:41:33,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:33,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118123395] [2024-11-09 11:41:33,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118123395] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:33,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:33,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:33,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207351803] [2024-11-09 11:41:33,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:33,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:33,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:33,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:33,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:33,942 INFO L87 Difference]: Start difference. First operand 319 states and 425 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:34,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:34,308 INFO L93 Difference]: Finished difference Result 344 states and 446 transitions. [2024-11-09 11:41:34,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:34,308 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 60 [2024-11-09 11:41:34,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:34,310 INFO L225 Difference]: With dead ends: 344 [2024-11-09 11:41:34,310 INFO L226 Difference]: Without dead ends: 343 [2024-11-09 11:41:34,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:34,311 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 170 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:34,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 186 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:34,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-09 11:41:34,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 319. [2024-11-09 11:41:34,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6324786324786325) internal successors, (382), 295 states have internal predecessors, (382), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:34,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 424 transitions. [2024-11-09 11:41:34,324 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 424 transitions. Word has length 60 [2024-11-09 11:41:34,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:34,325 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 424 transitions. [2024-11-09 11:41:34,325 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-09 11:41:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 424 transitions. [2024-11-09 11:41:34,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 11:41:34,325 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:34,326 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:34,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:41:34,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:34,527 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:34,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:34,527 INFO L85 PathProgramCache]: Analyzing trace with hash -344936540, now seen corresponding path program 1 times [2024-11-09 11:41:34,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:34,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872961478] [2024-11-09 11:41:34,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:34,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:34,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1196260040] [2024-11-09 11:41:34,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:34,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:34,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:34,546 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:34,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:41:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:34,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:41:34,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:41:34,799 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:34,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:34,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872961478] [2024-11-09 11:41:34,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:34,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196260040] [2024-11-09 11:41:34,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196260040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:34,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:34,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:34,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989633644] [2024-11-09 11:41:34,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:34,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:34,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:34,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:34,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:34,801 INFO L87 Difference]: Start difference. First operand 319 states and 424 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:35,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:35,120 INFO L93 Difference]: Finished difference Result 346 states and 445 transitions. [2024-11-09 11:41:35,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:35,121 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 70 [2024-11-09 11:41:35,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:35,122 INFO L225 Difference]: With dead ends: 346 [2024-11-09 11:41:35,122 INFO L226 Difference]: Without dead ends: 345 [2024-11-09 11:41:35,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:35,123 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 92 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:35,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 238 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:41:35,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-09 11:41:35,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 319. [2024-11-09 11:41:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.623931623931624) internal successors, (380), 295 states have internal predecessors, (380), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:35,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 422 transitions. [2024-11-09 11:41:35,137 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 422 transitions. Word has length 70 [2024-11-09 11:41:35,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:35,137 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 422 transitions. [2024-11-09 11:41:35,137 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), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:35,138 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 422 transitions. [2024-11-09 11:41:35,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 11:41:35,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:35,138 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:35,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-09 11:41:35,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:35,339 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:35,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:35,340 INFO L85 PathProgramCache]: Analyzing trace with hash -2103098027, now seen corresponding path program 1 times [2024-11-09 11:41:35,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:35,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909615860] [2024-11-09 11:41:35,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:35,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:35,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1978826369] [2024-11-09 11:41:35,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:35,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:35,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:35,357 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:35,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:41:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:35,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:41:35,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:36,611 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:41:36,611 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:36,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:36,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909615860] [2024-11-09 11:41:36,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:36,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978826369] [2024-11-09 11:41:36,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978826369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:36,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:36,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:36,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307348474] [2024-11-09 11:41:36,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:36,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:36,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:36,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:36,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-09 11:41:36,613 INFO L87 Difference]: Start difference. First operand 319 states and 422 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:40,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-09 11:41:41,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:41,549 INFO L93 Difference]: Finished difference Result 346 states and 443 transitions. [2024-11-09 11:41:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:41,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2024-11-09 11:41:41,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:41,551 INFO L225 Difference]: With dead ends: 346 [2024-11-09 11:41:41,551 INFO L226 Difference]: Without dead ends: 345 [2024-11-09 11:41:41,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-09 11:41:41,552 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 45 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:41,552 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 342 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2024-11-09 11:41:41,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-09 11:41:41,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 319. [2024-11-09 11:41:41,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.6153846153846154) internal successors, (378), 295 states have internal predecessors, (378), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:41,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 420 transitions. [2024-11-09 11:41:41,566 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 420 transitions. Word has length 71 [2024-11-09 11:41:41,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:41,566 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 420 transitions. [2024-11-09 11:41:41,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:41,567 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 420 transitions. [2024-11-09 11:41:41,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:41:41,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:41,567 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:41,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:41,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:41,768 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:41,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:41,769 INFO L85 PathProgramCache]: Analyzing trace with hash -771529274, now seen corresponding path program 1 times [2024-11-09 11:41:41,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:41,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950404581] [2024-11-09 11:41:41,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:41,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:41,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1411700216] [2024-11-09 11:41:41,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:41,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:41,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:41,795 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:41,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:41:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:41,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:41,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:41:41,931 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:41,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:41,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950404581] [2024-11-09 11:41:41,931 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:41,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411700216] [2024-11-09 11:41:41,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411700216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:41,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:41,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:41,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769434410] [2024-11-09 11:41:41,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:41,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:41,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:41,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:41,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:41,933 INFO L87 Difference]: Start difference. First operand 319 states and 420 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:42,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:42,486 INFO L93 Difference]: Finished difference Result 339 states and 431 transitions. [2024-11-09 11:41:42,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:42,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72 [2024-11-09 11:41:42,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:42,488 INFO L225 Difference]: With dead ends: 339 [2024-11-09 11:41:42,488 INFO L226 Difference]: Without dead ends: 337 [2024-11-09 11:41:42,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:42,489 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 98 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:42,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 282 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:41:42,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-09 11:41:42,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 319. [2024-11-09 11:41:42,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5982905982905984) internal successors, (374), 295 states have internal predecessors, (374), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:42,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 416 transitions. [2024-11-09 11:41:42,506 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 416 transitions. Word has length 72 [2024-11-09 11:41:42,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:42,506 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 416 transitions. [2024-11-09 11:41:42,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:42,506 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 416 transitions. [2024-11-09 11:41:42,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 11:41:42,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:42,507 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:42,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-09 11:41:42,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:42,712 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:42,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:42,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1852396407, now seen corresponding path program 1 times [2024-11-09 11:41:42,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:42,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640014220] [2024-11-09 11:41:42,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:42,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:42,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1209098332] [2024-11-09 11:41:42,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:42,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:42,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:42,726 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:42,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:41:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:42,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:41:42,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:42,948 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:41:42,949 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:42,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:42,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640014220] [2024-11-09 11:41:42,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:42,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209098332] [2024-11-09 11:41:42,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209098332] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:42,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:42,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:42,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999792950] [2024-11-09 11:41:42,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:42,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:42,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:42,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:42,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:42,950 INFO L87 Difference]: Start difference. First operand 319 states and 416 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:44,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:44,111 INFO L93 Difference]: Finished difference Result 339 states and 427 transitions. [2024-11-09 11:41:44,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:44,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2024-11-09 11:41:44,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:44,113 INFO L225 Difference]: With dead ends: 339 [2024-11-09 11:41:44,113 INFO L226 Difference]: Without dead ends: 337 [2024-11-09 11:41:44,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:44,114 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 60 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:44,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 348 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 11:41:44,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-09 11:41:44,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 319. [2024-11-09 11:41:44,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5811965811965811) internal successors, (370), 295 states have internal predecessors, (370), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:44,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 412 transitions. [2024-11-09 11:41:44,127 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 412 transitions. Word has length 73 [2024-11-09 11:41:44,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:44,128 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 412 transitions. [2024-11-09 11:41:44,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:44,128 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 412 transitions. [2024-11-09 11:41:44,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 11:41:44,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:44,129 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:44,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:44,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-09 11:41:44,330 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:44,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:44,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1614968788, now seen corresponding path program 1 times [2024-11-09 11:41:44,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:44,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650333123] [2024-11-09 11:41:44,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:44,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:44,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [479919087] [2024-11-09 11:41:44,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:44,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:44,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:44,345 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:44,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:41:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:44,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:41:44,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:44,556 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:41:44,556 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:44,776 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:41:44,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:44,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650333123] [2024-11-09 11:41:44,777 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:44,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479919087] [2024-11-09 11:41:44,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479919087] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:41:44,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:41:44,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-09 11:41:44,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8033967] [2024-11-09 11:41:44,778 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:44,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:41:44,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:44,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:41:44,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:41:44,780 INFO L87 Difference]: Start difference. First operand 319 states and 412 transitions. Second operand has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 11:41:45,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:45,460 INFO L93 Difference]: Finished difference Result 340 states and 414 transitions. [2024-11-09 11:41:45,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:45,461 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) Word has length 78 [2024-11-09 11:41:45,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:45,463 INFO L225 Difference]: With dead ends: 340 [2024-11-09 11:41:45,463 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 11:41:45,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:41:45,463 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 347 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:45,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 335 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:41:45,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 11:41:45,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 319. [2024-11-09 11:41:45,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5683760683760684) internal successors, (367), 295 states have internal predecessors, (367), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:45,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 409 transitions. [2024-11-09 11:41:45,499 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 409 transitions. Word has length 78 [2024-11-09 11:41:45,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:45,499 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 409 transitions. [2024-11-09 11:41:45,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.875) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (13), 5 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-09 11:41:45,499 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 409 transitions. [2024-11-09 11:41:45,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 11:41:45,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:45,500 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:45,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:45,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-09 11:41:45,701 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:45,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:45,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1475575261, now seen corresponding path program 1 times [2024-11-09 11:41:45,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:45,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109127495] [2024-11-09 11:41:45,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:45,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:45,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070625750] [2024-11-09 11:41:45,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:45,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:45,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:45,717 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:45,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:41:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:45,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:41:45,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:46,058 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:41:46,059 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:47,310 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:41:47,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:47,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109127495] [2024-11-09 11:41:47,311 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:47,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070625750] [2024-11-09 11:41:47,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070625750] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:41:47,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:41:47,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-09 11:41:47,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734978194] [2024-11-09 11:41:47,311 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:47,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:41:47,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:47,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:41:47,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:41:47,313 INFO L87 Difference]: Start difference. First operand 319 states and 409 transitions. Second operand has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-09 11:41:48,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:48,668 INFO L93 Difference]: Finished difference Result 340 states and 411 transitions. [2024-11-09 11:41:48,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:41:48,668 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) Word has length 79 [2024-11-09 11:41:48,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:48,670 INFO L225 Difference]: With dead ends: 340 [2024-11-09 11:41:48,670 INFO L226 Difference]: Without dead ends: 339 [2024-11-09 11:41:48,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 146 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:41:48,670 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 168 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:48,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 655 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 11:41:48,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-09 11:41:48,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 319. [2024-11-09 11:41:48,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5555555555555556) internal successors, (364), 295 states have internal predecessors, (364), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:48,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 406 transitions. [2024-11-09 11:41:48,686 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 406 transitions. Word has length 79 [2024-11-09 11:41:48,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:48,686 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 406 transitions. [2024-11-09 11:41:48,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 12.25) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-09 11:41:48,687 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 406 transitions. [2024-11-09 11:41:48,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 11:41:48,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:48,690 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:48,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:48,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 11:41:48,891 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:48,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:48,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1501807026, now seen corresponding path program 1 times [2024-11-09 11:41:48,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:48,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404946004] [2024-11-09 11:41:48,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:48,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:48,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1385865498] [2024-11-09 11:41:48,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:48,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:48,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:48,924 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:48,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 11:41:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:48,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:41:48,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:49,354 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:41:49,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:53,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:53,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404946004] [2024-11-09 11:41:53,789 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:53,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385865498] [2024-11-09 11:41:53,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385865498] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:53,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:53,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:41:53,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571790992] [2024-11-09 11:41:53,790 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:53,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:41:53,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:53,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:41:53,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-09 11:41:53,791 INFO L87 Difference]: Start difference. First operand 319 states and 406 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:54,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:54,661 INFO L93 Difference]: Finished difference Result 338 states and 417 transitions. [2024-11-09 11:41:54,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:41:54,662 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 80 [2024-11-09 11:41:54,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:54,664 INFO L225 Difference]: With dead ends: 338 [2024-11-09 11:41:54,664 INFO L226 Difference]: Without dead ends: 335 [2024-11-09 11:41:54,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-09 11:41:54,665 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 190 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 612 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 612 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:54,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 382 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 612 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:41:54,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-09 11:41:54,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 319. [2024-11-09 11:41:54,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5299145299145298) internal successors, (358), 295 states have internal predecessors, (358), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:54,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 400 transitions. [2024-11-09 11:41:54,680 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 400 transitions. Word has length 80 [2024-11-09 11:41:54,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:54,680 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 400 transitions. [2024-11-09 11:41:54,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:54,680 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 400 transitions. [2024-11-09 11:41:54,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-09 11:41:54,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:54,681 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:54,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:54,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:54,886 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:54,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:54,886 INFO L85 PathProgramCache]: Analyzing trace with hash 688622591, now seen corresponding path program 1 times [2024-11-09 11:41:54,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:54,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196019186] [2024-11-09 11:41:54,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:54,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:54,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1006156532] [2024-11-09 11:41:54,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:54,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:54,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:54,898 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:54,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:41:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:54,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 11:41:54,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:55,535 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:41:55,536 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:55,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:55,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196019186] [2024-11-09 11:41:55,682 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:55,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006156532] [2024-11-09 11:41:55,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006156532] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:55,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:55,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-09 11:41:55,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380247270] [2024-11-09 11:41:55,682 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:55,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:41:55,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:55,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:41:55,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:55,683 INFO L87 Difference]: Start difference. First operand 319 states and 400 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:56,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:56,444 INFO L93 Difference]: Finished difference Result 326 states and 401 transitions. [2024-11-09 11:41:56,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:41:56,445 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 81 [2024-11-09 11:41:56,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:56,446 INFO L225 Difference]: With dead ends: 326 [2024-11-09 11:41:56,446 INFO L226 Difference]: Without dead ends: 323 [2024-11-09 11:41:56,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:56,447 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 151 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:56,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 277 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:41:56,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-09 11:41:56,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 319. [2024-11-09 11:41:56,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 234 states have (on average 1.5042735042735043) internal successors, (352), 295 states have internal predecessors, (352), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:56,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 394 transitions. [2024-11-09 11:41:56,461 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 394 transitions. Word has length 81 [2024-11-09 11:41:56,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:56,462 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 394 transitions. [2024-11-09 11:41:56,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 11:41:56,463 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 394 transitions. [2024-11-09 11:41:56,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-09 11:41:56,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:56,464 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:56,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:56,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 11:41:56,668 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:56,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:56,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1649290795, now seen corresponding path program 1 times [2024-11-09 11:41:56,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:56,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414193450] [2024-11-09 11:41:56,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:56,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:41:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:41:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:41:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:41:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:56,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:56,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414193450] [2024-11-09 11:41:56,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414193450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:56,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:56,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:41:56,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427944435] [2024-11-09 11:41:56,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:56,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:41:56,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:56,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:41:56,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:41:56,760 INFO L87 Difference]: Start difference. First operand 319 states and 394 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-09 11:41:56,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:56,872 INFO L93 Difference]: Finished difference Result 319 states and 394 transitions. [2024-11-09 11:41:56,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:41:56,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 94 [2024-11-09 11:41:56,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:56,875 INFO L225 Difference]: With dead ends: 319 [2024-11-09 11:41:56,875 INFO L226 Difference]: Without dead ends: 318 [2024-11-09 11:41:56,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:41:56,876 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 1 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:56,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 295 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:41:56,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-09 11:41:56,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2024-11-09 11:41:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 234 states have (on average 1.4871794871794872) internal successors, (348), 294 states have internal predecessors, (348), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:56,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 390 transitions. [2024-11-09 11:41:56,891 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 390 transitions. Word has length 94 [2024-11-09 11:41:56,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:56,891 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 390 transitions. [2024-11-09 11:41:56,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-09 11:41:56,892 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 390 transitions. [2024-11-09 11:41:56,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 11:41:56,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:56,892 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:56,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 11:41:56,893 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:56,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:56,893 INFO L85 PathProgramCache]: Analyzing trace with hash 411593070, now seen corresponding path program 1 times [2024-11-09 11:41:56,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:56,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351482128] [2024-11-09 11:41:56,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:56,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:41:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:41:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:41:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:41:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:56,994 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:56,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:56,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351482128] [2024-11-09 11:41:56,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351482128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:56,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:56,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:41:56,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262635604] [2024-11-09 11:41:56,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:56,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:56,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:56,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:56,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:56,996 INFO L87 Difference]: Start difference. First operand 318 states and 390 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:57,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:57,820 INFO L93 Difference]: Finished difference Result 326 states and 394 transitions. [2024-11-09 11:41:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:41:57,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 95 [2024-11-09 11:41:57,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:57,822 INFO L225 Difference]: With dead ends: 326 [2024-11-09 11:41:57,822 INFO L226 Difference]: Without dead ends: 325 [2024-11-09 11:41:57,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:41:57,822 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 278 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:57,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 225 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:41:57,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-09 11:41:57,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 318. [2024-11-09 11:41:57,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 234 states have (on average 1.482905982905983) internal successors, (347), 294 states have internal predecessors, (347), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:57,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 389 transitions. [2024-11-09 11:41:57,837 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 389 transitions. Word has length 95 [2024-11-09 11:41:57,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:57,838 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 389 transitions. [2024-11-09 11:41:57,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:57,838 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 389 transitions. [2024-11-09 11:41:57,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-09 11:41:57,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:57,839 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:57,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-09 11:41:57,839 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:57,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:57,840 INFO L85 PathProgramCache]: Analyzing trace with hash 402415118, now seen corresponding path program 1 times [2024-11-09 11:41:57,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:57,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201029631] [2024-11-09 11:41:57,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:57,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:41:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:41:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:41:57,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:41:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:57,990 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:57,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:57,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201029631] [2024-11-09 11:41:57,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201029631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:57,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:57,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:41:57,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685943519] [2024-11-09 11:41:57,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:57,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:57,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:57,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:57,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:57,993 INFO L87 Difference]: Start difference. First operand 318 states and 389 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:41:58,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:58,183 INFO L93 Difference]: Finished difference Result 334 states and 400 transitions. [2024-11-09 11:41:58,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:41:58,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 97 [2024-11-09 11:41:58,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:58,185 INFO L225 Difference]: With dead ends: 334 [2024-11-09 11:41:58,185 INFO L226 Difference]: Without dead ends: 333 [2024-11-09 11:41:58,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:58,186 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 16 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:58,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 451 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:41:58,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-09 11:41:58,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 323. [2024-11-09 11:41:58,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 239 states have (on average 1.4728033472803348) internal successors, (352), 299 states have internal predecessors, (352), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 394 transitions. [2024-11-09 11:41:58,202 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 394 transitions. Word has length 97 [2024-11-09 11:41:58,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:58,203 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 394 transitions. [2024-11-09 11:41:58,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:41:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 394 transitions. [2024-11-09 11:41:58,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-09 11:41:58,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:58,204 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:58,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-09 11:41:58,205 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:58,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:58,205 INFO L85 PathProgramCache]: Analyzing trace with hash -410033051, now seen corresponding path program 1 times [2024-11-09 11:41:58,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:58,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40073896] [2024-11-09 11:41:58,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:58,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:58,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1474818624] [2024-11-09 11:41:58,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:58,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:58,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:58,224 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:58,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:41:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:58,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:41:58,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:58,447 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:58,448 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:41:58,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:58,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40073896] [2024-11-09 11:41:58,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:58,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474818624] [2024-11-09 11:41:58,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474818624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:58,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:58,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:41:58,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527509634] [2024-11-09 11:41:58,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:58,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:41:58,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:58,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:41:58,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:41:58,450 INFO L87 Difference]: Start difference. First operand 323 states and 394 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:41:58,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:58,960 INFO L93 Difference]: Finished difference Result 334 states and 398 transitions. [2024-11-09 11:41:58,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:41:58,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 98 [2024-11-09 11:41:58,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:58,962 INFO L225 Difference]: With dead ends: 334 [2024-11-09 11:41:58,962 INFO L226 Difference]: Without dead ends: 333 [2024-11-09 11:41:58,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:41:58,963 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 17 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:58,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 326 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:41:58,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-09 11:41:58,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 325. [2024-11-09 11:41:58,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 241 states have (on average 1.4688796680497926) internal successors, (354), 301 states have internal predecessors, (354), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-09 11:41:58,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 396 transitions. [2024-11-09 11:41:58,978 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 396 transitions. Word has length 98 [2024-11-09 11:41:58,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:58,979 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 396 transitions. [2024-11-09 11:41:58,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:41:58,979 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 396 transitions. [2024-11-09 11:41:58,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 11:41:58,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:58,980 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:58,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:59,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-09 11:41:59,184 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:41:59,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:59,184 INFO L85 PathProgramCache]: Analyzing trace with hash -295147689, now seen corresponding path program 1 times [2024-11-09 11:41:59,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:59,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864095274] [2024-11-09 11:41:59,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:59,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:59,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:59,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:59,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:41:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:59,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:41:59,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:59,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:41:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:59,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:41:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:59,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:41:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:59,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:41:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:59,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:59,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864095274] [2024-11-09 11:41:59,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864095274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:59,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270711749] [2024-11-09 11:41:59,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:59,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:59,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:59,314 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:59,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:41:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:59,373 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:41:59,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:59,484 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:59,485 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:59,635 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:41:59,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270711749] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:41:59,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:41:59,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-09 11:41:59,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383365478] [2024-11-09 11:41:59,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:59,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:41:59,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:59,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:41:59,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:41:59,637 INFO L87 Difference]: Start difference. First operand 325 states and 396 transitions. Second operand has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-09 11:41:59,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:59,901 INFO L93 Difference]: Finished difference Result 620 states and 715 transitions. [2024-11-09 11:41:59,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-09 11:41:59,901 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 100 [2024-11-09 11:41:59,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:59,903 INFO L225 Difference]: With dead ends: 620 [2024-11-09 11:41:59,903 INFO L226 Difference]: Without dead ends: 618 [2024-11-09 11:41:59,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=520, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:41:59,903 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 268 mSDsluCounter, 1226 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1382 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:59,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 1382 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:41:59,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-09 11:41:59,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 517. [2024-11-09 11:41:59,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 416 states have (on average 1.4326923076923077) internal successors, (596), 477 states have internal predecessors, (596), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 11:41:59,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 664 transitions. [2024-11-09 11:41:59,931 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 664 transitions. Word has length 100 [2024-11-09 11:41:59,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:59,931 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 664 transitions. [2024-11-09 11:41:59,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.153846153846153) internal successors, (132), 14 states have internal predecessors, (132), 4 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-09 11:41:59,932 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 664 transitions. [2024-11-09 11:41:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 11:41:59,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:59,933 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:59,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-09 11:42:00,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-09 11:42:00,134 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:00,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:00,135 INFO L85 PathProgramCache]: Analyzing trace with hash -407452718, now seen corresponding path program 1 times [2024-11-09 11:42:00,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:00,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596869025] [2024-11-09 11:42:00,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:00,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:42:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:42:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:42:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:42:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:42:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:42:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:00,341 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:42:00,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:00,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596869025] [2024-11-09 11:42:00,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596869025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:00,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:00,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:42:00,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471168147] [2024-11-09 11:42:00,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:00,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:42:00,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:00,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:42:00,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:00,344 INFO L87 Difference]: Start difference. First operand 517 states and 664 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:42:01,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:01,193 INFO L93 Difference]: Finished difference Result 532 states and 672 transitions. [2024-11-09 11:42:01,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:42:01,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 101 [2024-11-09 11:42:01,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:01,195 INFO L225 Difference]: With dead ends: 532 [2024-11-09 11:42:01,196 INFO L226 Difference]: Without dead ends: 531 [2024-11-09 11:42:01,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:01,196 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 17 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:01,196 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 538 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:42:01,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-09 11:42:01,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 520. [2024-11-09 11:42:01,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 419 states have (on average 1.431980906921241) internal successors, (600), 480 states have internal predecessors, (600), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 11:42:01,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 668 transitions. [2024-11-09 11:42:01,224 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 668 transitions. Word has length 101 [2024-11-09 11:42:01,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:01,225 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 668 transitions. [2024-11-09 11:42:01,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:42:01,225 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 668 transitions. [2024-11-09 11:42:01,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 11:42:01,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:01,226 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:01,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-09 11:42:01,226 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:01,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:01,227 INFO L85 PathProgramCache]: Analyzing trace with hash -169085095, now seen corresponding path program 1 times [2024-11-09 11:42:01,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:01,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255577115] [2024-11-09 11:42:01,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:01,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:01,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:42:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:01,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:42:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:01,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-09 11:42:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:01,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-09 11:42:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:01,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:42:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:01,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:42:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:01,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 11:42:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:01,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 11:42:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:01,328 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:42:01,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:01,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255577115] [2024-11-09 11:42:01,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255577115] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:01,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699572073] [2024-11-09 11:42:01,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:01,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:01,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:01,330 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:01,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:42:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:01,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:42:01,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:01,507 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:42:01,507 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:01,620 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:42:01,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699572073] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:42:01,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:42:01,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 8 [2024-11-09 11:42:01,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092774141] [2024-11-09 11:42:01,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:01,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:42:01,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:01,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:42:01,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:42:01,621 INFO L87 Difference]: Start difference. First operand 520 states and 668 transitions. Second operand has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 11:42:01,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:01,704 INFO L93 Difference]: Finished difference Result 754 states and 962 transitions. [2024-11-09 11:42:01,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:42:01,704 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102 [2024-11-09 11:42:01,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:01,706 INFO L225 Difference]: With dead ends: 754 [2024-11-09 11:42:01,706 INFO L226 Difference]: Without dead ends: 318 [2024-11-09 11:42:01,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 214 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:42:01,708 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 98 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:01,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 643 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:42:01,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-09 11:42:01,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 306. [2024-11-09 11:42:01,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 227 states have (on average 1.4669603524229076) internal successors, (333), 283 states have internal predecessors, (333), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:42:01,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 367 transitions. [2024-11-09 11:42:01,727 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 367 transitions. Word has length 102 [2024-11-09 11:42:01,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:01,728 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 367 transitions. [2024-11-09 11:42:01,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.25) internal successors, (74), 8 states have internal predecessors, (74), 2 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-09 11:42:01,728 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 367 transitions. [2024-11-09 11:42:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 11:42:01,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:01,729 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:01,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-09 11:42:01,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-09 11:42:01,930 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:01,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:01,930 INFO L85 PathProgramCache]: Analyzing trace with hash 253867817, now seen corresponding path program 1 times [2024-11-09 11:42:01,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:01,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331830459] [2024-11-09 11:42:01,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:01,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:01,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1589938407] [2024-11-09 11:42:01,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:01,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:01,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:01,953 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:01,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:42:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:02,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:42:02,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:42:02,185 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:42:02,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:02,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331830459] [2024-11-09 11:42:02,186 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:02,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589938407] [2024-11-09 11:42:02,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589938407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:02,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:02,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:42:02,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768052996] [2024-11-09 11:42:02,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:02,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:42:02,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:02,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:42:02,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:02,189 INFO L87 Difference]: Start difference. First operand 306 states and 367 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:02,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:02,409 INFO L93 Difference]: Finished difference Result 309 states and 370 transitions. [2024-11-09 11:42:02,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:42:02,410 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 102 [2024-11-09 11:42:02,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:02,411 INFO L225 Difference]: With dead ends: 309 [2024-11-09 11:42:02,411 INFO L226 Difference]: Without dead ends: 308 [2024-11-09 11:42:02,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:02,412 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 13 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:02,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 523 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:42:02,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-09 11:42:02,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2024-11-09 11:42:02,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 229 states have (on average 1.462882096069869) internal successors, (335), 285 states have internal predecessors, (335), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:42:02,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 369 transitions. [2024-11-09 11:42:02,426 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 369 transitions. Word has length 102 [2024-11-09 11:42:02,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:02,427 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 369 transitions. [2024-11-09 11:42:02,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 369 transitions. [2024-11-09 11:42:02,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 11:42:02,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:02,428 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:02,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-09 11:42:02,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:02,629 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:02,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:02,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1428840507, now seen corresponding path program 1 times [2024-11-09 11:42:02,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:02,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326651352] [2024-11-09 11:42:02,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:02,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:02,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [42050216] [2024-11-09 11:42:02,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:02,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:02,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:02,659 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:02,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:42:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:02,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:42:02,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:42:02,918 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:42:02,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:02,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326651352] [2024-11-09 11:42:02,918 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:02,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42050216] [2024-11-09 11:42:02,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42050216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:02,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:02,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:42:02,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260019393] [2024-11-09 11:42:02,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:02,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:42:02,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:02,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:42:02,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:02,920 INFO L87 Difference]: Start difference. First operand 308 states and 369 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:03,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:03,285 INFO L93 Difference]: Finished difference Result 309 states and 369 transitions. [2024-11-09 11:42:03,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:42:03,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 107 [2024-11-09 11:42:03,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:03,287 INFO L225 Difference]: With dead ends: 309 [2024-11-09 11:42:03,287 INFO L226 Difference]: Without dead ends: 308 [2024-11-09 11:42:03,288 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:42:03,288 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 12 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:03,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 345 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:42:03,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2024-11-09 11:42:03,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2024-11-09 11:42:03,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 229 states have (on average 1.4585152838427948) internal successors, (334), 285 states have internal predecessors, (334), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:42:03,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 368 transitions. [2024-11-09 11:42:03,302 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 368 transitions. Word has length 107 [2024-11-09 11:42:03,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:03,303 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 368 transitions. [2024-11-09 11:42:03,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:03,303 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 368 transitions. [2024-11-09 11:42:03,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-09 11:42:03,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:03,304 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:03,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:03,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-09 11:42:03,505 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:03,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:03,505 INFO L85 PathProgramCache]: Analyzing trace with hash -852990126, now seen corresponding path program 1 times [2024-11-09 11:42:03,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:03,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679129642] [2024-11-09 11:42:03,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:03,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:03,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [569924357] [2024-11-09 11:42:03,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:03,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:03,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:03,527 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:03,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 11:42:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:03,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:42:03,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:03,989 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:42:03,989 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:08,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:08,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679129642] [2024-11-09 11:42:08,127 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:08,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [569924357] [2024-11-09 11:42:08,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [569924357] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:08,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:08,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:42:08,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091475494] [2024-11-09 11:42:08,128 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:08,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:42:08,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:08,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:42:08,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=97, Unknown=1, NotChecked=0, Total=132 [2024-11-09 11:42:08,129 INFO L87 Difference]: Start difference. First operand 308 states and 368 transitions. Second operand has 9 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:08,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:08,536 INFO L93 Difference]: Finished difference Result 354 states and 410 transitions. [2024-11-09 11:42:08,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:42:08,536 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 107 [2024-11-09 11:42:08,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:08,538 INFO L225 Difference]: With dead ends: 354 [2024-11-09 11:42:08,538 INFO L226 Difference]: Without dead ends: 351 [2024-11-09 11:42:08,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=34, Invalid=97, Unknown=1, NotChecked=0, Total=132 [2024-11-09 11:42:08,538 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 288 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:08,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 656 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:42:08,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-09 11:42:08,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 309. [2024-11-09 11:42:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 230 states have (on average 1.4478260869565218) internal successors, (333), 286 states have internal predecessors, (333), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:42:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 367 transitions. [2024-11-09 11:42:08,552 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 367 transitions. Word has length 107 [2024-11-09 11:42:08,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:08,553 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 367 transitions. [2024-11-09 11:42:08,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 10.857142857142858) internal successors, (76), 8 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:08,553 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 367 transitions. [2024-11-09 11:42:08,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 11:42:08,554 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:08,554 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:08,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-09 11:42:08,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-09 11:42:08,755 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:08,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:08,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1344382940, now seen corresponding path program 1 times [2024-11-09 11:42:08,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:08,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572525881] [2024-11-09 11:42:08,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:08,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:08,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1783279392] [2024-11-09 11:42:08,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:08,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:08,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:08,773 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:08,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 11:42:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:08,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:42:08,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:09,019 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:42:09,019 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:09,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:09,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572525881] [2024-11-09 11:42:09,345 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:09,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1783279392] [2024-11-09 11:42:09,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1783279392] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:09,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:09,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:42:09,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273826142] [2024-11-09 11:42:09,346 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:09,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:42:09,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:09,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:42:09,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:42:09,347 INFO L87 Difference]: Start difference. First operand 309 states and 367 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:09,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:09,635 INFO L93 Difference]: Finished difference Result 310 states and 367 transitions. [2024-11-09 11:42:09,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:42:09,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 108 [2024-11-09 11:42:09,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:09,637 INFO L225 Difference]: With dead ends: 310 [2024-11-09 11:42:09,637 INFO L226 Difference]: Without dead ends: 309 [2024-11-09 11:42:09,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:42:09,638 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 19 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:09,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 243 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:42:09,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-09 11:42:09,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2024-11-09 11:42:09,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 230 states have (on average 1.4434782608695653) internal successors, (332), 286 states have internal predecessors, (332), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:42:09,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 366 transitions. [2024-11-09 11:42:09,654 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 366 transitions. Word has length 108 [2024-11-09 11:42:09,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:09,654 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 366 transitions. [2024-11-09 11:42:09,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:09,655 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 366 transitions. [2024-11-09 11:42:09,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 11:42:09,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:09,656 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:09,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:09,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-09 11:42:09,856 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:09,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:09,857 INFO L85 PathProgramCache]: Analyzing trace with hash -672889936, now seen corresponding path program 1 times [2024-11-09 11:42:09,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:09,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387531627] [2024-11-09 11:42:09,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:09,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:09,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:09,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [291402676] [2024-11-09 11:42:09,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:09,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:09,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:09,872 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:09,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 11:42:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:09,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:42:09,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:10,374 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:42:10,375 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:20,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:20,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387531627] [2024-11-09 11:42:20,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:20,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291402676] [2024-11-09 11:42:20,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [291402676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:20,852 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:20,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:42:20,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828896744] [2024-11-09 11:42:20,852 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:20,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:42:20,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:20,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:42:20,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=94, Unknown=3, NotChecked=0, Total=132 [2024-11-09 11:42:20,853 INFO L87 Difference]: Start difference. First operand 309 states and 366 transitions. Second operand has 9 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:21,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:21,369 INFO L93 Difference]: Finished difference Result 353 states and 406 transitions. [2024-11-09 11:42:21,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:42:21,370 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 108 [2024-11-09 11:42:21,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:21,371 INFO L225 Difference]: With dead ends: 353 [2024-11-09 11:42:21,371 INFO L226 Difference]: Without dead ends: 350 [2024-11-09 11:42:21,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=45, Invalid=108, Unknown=3, NotChecked=0, Total=156 [2024-11-09 11:42:21,372 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 501 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:21,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 444 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:42:21,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-09 11:42:21,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 310. [2024-11-09 11:42:21,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 231 states have (on average 1.432900432900433) internal successors, (331), 287 states have internal predecessors, (331), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-09 11:42:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 365 transitions. [2024-11-09 11:42:21,389 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 365 transitions. Word has length 108 [2024-11-09 11:42:21,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:21,390 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 365 transitions. [2024-11-09 11:42:21,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:21,390 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 365 transitions. [2024-11-09 11:42:21,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 11:42:21,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:21,391 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:21,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:21,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:21,596 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:21,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:21,596 INFO L85 PathProgramCache]: Analyzing trace with hash 615248660, now seen corresponding path program 1 times [2024-11-09 11:42:21,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:21,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56275180] [2024-11-09 11:42:21,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:21,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:21,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [844068083] [2024-11-09 11:42:21,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:21,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:21,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:21,614 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:21,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-09 11:42:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:21,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:42:21,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:42:22,050 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:26,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:26,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56275180] [2024-11-09 11:42:26,182 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:26,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844068083] [2024-11-09 11:42:26,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844068083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:26,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:26,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:42:26,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368640260] [2024-11-09 11:42:26,183 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:26,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:42:26,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:26,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:42:26,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=119, Unknown=1, NotChecked=0, Total=156 [2024-11-09 11:42:26,184 INFO L87 Difference]: Start difference. First operand 310 states and 365 transitions. Second operand has 10 states, 8 states have (on average 9.75) internal successors, (78), 9 states have internal predecessors, (78), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:26,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:26,847 INFO L93 Difference]: Finished difference Result 707 states and 920 transitions. [2024-11-09 11:42:26,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:42:26,847 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.75) internal successors, (78), 9 states have internal predecessors, (78), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 109 [2024-11-09 11:42:26,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:26,849 INFO L225 Difference]: With dead ends: 707 [2024-11-09 11:42:26,849 INFO L226 Difference]: Without dead ends: 701 [2024-11-09 11:42:26,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=66, Invalid=173, Unknown=1, NotChecked=0, Total=240 [2024-11-09 11:42:26,850 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 627 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:26,850 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 433 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:42:26,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2024-11-09 11:42:26,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 577. [2024-11-09 11:42:26,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 481 states have (on average 1.5717255717255718) internal successors, (756), 537 states have internal predecessors, (756), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 11:42:26,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 824 transitions. [2024-11-09 11:42:26,872 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 824 transitions. Word has length 109 [2024-11-09 11:42:26,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:26,872 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 824 transitions. [2024-11-09 11:42:26,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.75) internal successors, (78), 9 states have internal predecessors, (78), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:26,873 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 824 transitions. [2024-11-09 11:42:26,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 11:42:26,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:26,874 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:26,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-09 11:42:27,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-09 11:42:27,078 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:27,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:27,078 INFO L85 PathProgramCache]: Analyzing trace with hash -833144834, now seen corresponding path program 1 times [2024-11-09 11:42:27,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:27,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807485401] [2024-11-09 11:42:27,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:27,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:27,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2079854886] [2024-11-09 11:42:27,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:27,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:27,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:27,091 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:27,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 11:42:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:27,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:42:27,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:27,452 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-09 11:42:27,452 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:42:27,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:27,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807485401] [2024-11-09 11:42:27,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:27,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079854886] [2024-11-09 11:42:27,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079854886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:42:27,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:42:27,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:42:27,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613107789] [2024-11-09 11:42:27,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:42:27,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:42:27,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:27,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:42:27,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:42:27,455 INFO L87 Difference]: Start difference. First operand 577 states and 824 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:27,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:27,814 INFO L93 Difference]: Finished difference Result 578 states and 824 transitions. [2024-11-09 11:42:27,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:42:27,814 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 110 [2024-11-09 11:42:27,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:27,816 INFO L225 Difference]: With dead ends: 578 [2024-11-09 11:42:27,816 INFO L226 Difference]: Without dead ends: 577 [2024-11-09 11:42:27,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:42:27,817 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 10 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:27,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 338 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:42:27,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-09 11:42:27,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2024-11-09 11:42:27,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 481 states have (on average 1.5696465696465696) internal successors, (755), 537 states have internal predecessors, (755), 34 states have call successors, (34), 5 states have call predecessors, (34), 5 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-09 11:42:27,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 823 transitions. [2024-11-09 11:42:27,848 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 823 transitions. Word has length 110 [2024-11-09 11:42:27,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:27,848 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 823 transitions. [2024-11-09 11:42:27,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:27,850 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 823 transitions. [2024-11-09 11:42:27,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-09 11:42:27,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:27,851 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:27,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:28,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:28,051 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:28,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:28,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1892839474, now seen corresponding path program 1 times [2024-11-09 11:42:28,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:28,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41905346] [2024-11-09 11:42:28,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:28,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:28,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1041509470] [2024-11-09 11:42:28,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:28,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:28,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:28,069 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:28,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-09 11:42:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:28,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:42:28,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:42:28,479 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:37,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:37,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41905346] [2024-11-09 11:42:37,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:37,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041509470] [2024-11-09 11:42:37,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041509470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:42:37,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:42:37,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-09 11:42:37,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266235] [2024-11-09 11:42:37,113 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:37,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:42:37,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:37,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:42:37,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=118, Unknown=2, NotChecked=0, Total=156 [2024-11-09 11:42:37,114 INFO L87 Difference]: Start difference. First operand 577 states and 823 transitions. Second operand has 10 states, 8 states have (on average 9.875) internal successors, (79), 9 states have internal predecessors, (79), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:38,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:42:38,110 INFO L93 Difference]: Finished difference Result 890 states and 1263 transitions. [2024-11-09 11:42:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:42:38,111 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 9.875) internal successors, (79), 9 states have internal predecessors, (79), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 110 [2024-11-09 11:42:38,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:42:38,114 INFO L225 Difference]: With dead ends: 890 [2024-11-09 11:42:38,114 INFO L226 Difference]: Without dead ends: 884 [2024-11-09 11:42:38,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=43, Invalid=137, Unknown=2, NotChecked=0, Total=182 [2024-11-09 11:42:38,115 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 550 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:42:38,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 745 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:42:38,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2024-11-09 11:42:38,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 788. [2024-11-09 11:42:38,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 679 states have (on average 1.6008836524300443) internal successors, (1087), 735 states have internal predecessors, (1087), 47 states have call successors, (47), 5 states have call predecessors, (47), 5 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-09 11:42:38,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1181 transitions. [2024-11-09 11:42:38,141 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1181 transitions. Word has length 110 [2024-11-09 11:42:38,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:42:38,142 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1181 transitions. [2024-11-09 11:42:38,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 9.875) internal successors, (79), 9 states have internal predecessors, (79), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:42:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1181 transitions. [2024-11-09 11:42:38,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 11:42:38,143 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:42:38,143 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:42:38,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-09 11:42:38,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-09 11:42:38,343 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2024-11-09 11:42:38,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:42:38,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1451518250, now seen corresponding path program 1 times [2024-11-09 11:42:38,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:42:38,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525005612] [2024-11-09 11:42:38,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:38,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:42:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:42:38,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2142229845] [2024-11-09 11:42:38,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:42:38,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:42:38,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:42:38,361 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:42:38,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-09 11:42:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:42:38,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 11:42:38,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:42:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:42:39,090 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:42:40,854 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:42:40,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:42:40,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525005612] [2024-11-09 11:42:40,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:42:40,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142229845] [2024-11-09 11:42:40,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142229845] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:42:40,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:42:40,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-11-09 11:42:40,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629018804] [2024-11-09 11:42:40,855 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:42:40,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 11:42:40,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:42:40,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 11:42:40,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:42:40,857 INFO L87 Difference]: Start difference. First operand 788 states and 1181 transitions. Second operand has 17 states, 16 states have (on average 9.4375) internal successors, (151), 15 states have internal predecessors, (151), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 6 states have call predecessors, (16), 7 states have call successors, (16)