./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 052aa366c05075bf32d0b6fa176a2f7194f524315c85e0eaee7e4a343f477db5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:32:41,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:32:41,814 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:32:41,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:32:41,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:32:41,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:32:41,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:32:41,838 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:32:41,838 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:32:41,839 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:32:41,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:32:41,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:32:41,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:32:41,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:32:41,840 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:32:41,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:32:41,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:32:41,841 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:32:41,841 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:32:41,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:32:41,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:32:41,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:32:41,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:32:41,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:32:41,846 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:32:41,846 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:32:41,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:32:41,846 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:32:41,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:32:41,847 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:32:41,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:32:41,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:32:41,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:32:41,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:32:41,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:32:41,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:32:41,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:32:41,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:32:41,850 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:32:41,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:32:41,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:32:41,851 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:32:41,851 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:32:41,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:32:41,851 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 052aa366c05075bf32d0b6fa176a2f7194f524315c85e0eaee7e4a343f477db5 [2024-11-22 22:32:42,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:32:42,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:32:42,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:32:42,066 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:32:42,067 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:32:42,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c [2024-11-22 22:32:43,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:32:43,618 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:32:43,619 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound100.c [2024-11-22 22:32:43,625 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/722e58dc5/404a3446c50e437ba44fb62f1d4be714/FLAG3d044c9e3 [2024-11-22 22:32:44,031 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/722e58dc5/404a3446c50e437ba44fb62f1d4be714 [2024-11-22 22:32:44,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:32:44,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:32:44,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:32:44,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:32:44,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:32:44,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:32:44" (1/1) ... [2024-11-22 22:32:44,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37b7876c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44, skipping insertion in model container [2024-11-22 22:32:44,066 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:32:44" (1/1) ... [2024-11-22 22:32:44,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:32:44,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:32:44,368 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:32:44,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:32:44,416 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:32:44,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44 WrapperNode [2024-11-22 22:32:44,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:32:44,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:32:44,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:32:44,418 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:32:44,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44" (1/1) ... [2024-11-22 22:32:44,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44" (1/1) ... [2024-11-22 22:32:44,442 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2024-11-22 22:32:44,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:32:44,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:32:44,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:32:44,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:32:44,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44" (1/1) ... [2024-11-22 22:32:44,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44" (1/1) ... [2024-11-22 22:32:44,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44" (1/1) ... [2024-11-22 22:32:44,463 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]. [2024-11-22 22:32:44,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44" (1/1) ... [2024-11-22 22:32:44,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44" (1/1) ... [2024-11-22 22:32:44,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44" (1/1) ... [2024-11-22 22:32:44,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44" (1/1) ... [2024-11-22 22:32:44,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44" (1/1) ... [2024-11-22 22:32:44,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44" (1/1) ... [2024-11-22 22:32:44,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:32:44,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:32:44,474 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:32:44,474 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:32:44,475 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44" (1/1) ... [2024-11-22 22:32:44,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:32:44,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:44,498 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) [2024-11-22 22:32:44,502 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 [2024-11-22 22:32:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:32:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 22:32:44,537 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 22:32:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:32:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:32:44,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:32:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:32:44,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:32:44,597 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:32:44,600 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:32:44,999 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-11-22 22:32:45,000 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:32:45,022 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:32:45,022 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:32:45,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:32:45 BoogieIcfgContainer [2024-11-22 22:32:45,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:32:45,024 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:32:45,024 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:32:45,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:32:45,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:32:44" (1/3) ... [2024-11-22 22:32:45,031 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50487e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:32:45, skipping insertion in model container [2024-11-22 22:32:45,031 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:32:44" (2/3) ... [2024-11-22 22:32:45,032 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50487e98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:32:45, skipping insertion in model container [2024-11-22 22:32:45,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:32:45" (3/3) ... [2024-11-22 22:32:45,033 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound100.c [2024-11-22 22:32:45,046 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:32:45,046 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-22 22:32:45,106 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:32:45,112 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;@2b84e9f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:32:45,112 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-22 22:32:45,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 74 states have (on average 1.837837837837838) internal successors, (136), 130 states have internal predecessors, (136), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-22 22:32:45,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-22 22:32:45,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:45,121 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:45,122 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:45,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:45,126 INFO L85 PathProgramCache]: Analyzing trace with hash -2137283996, now seen corresponding path program 1 times [2024-11-22 22:32:45,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:45,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759878312] [2024-11-22 22:32:45,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:45,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:45,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1632260847] [2024-11-22 22:32:45,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:45,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:45,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:45,312 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) [2024-11-22 22:32:45,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:32:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:45,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:32:45,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:45,412 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:45,413 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:45,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:45,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759878312] [2024-11-22 22:32:45,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:45,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632260847] [2024-11-22 22:32:45,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632260847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:45,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:45,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:32:45,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244481734] [2024-11-22 22:32:45,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:45,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:32:45,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:45,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:32:45,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:45,451 INFO L87 Difference]: Start difference. First operand has 144 states, 74 states have (on average 1.837837837837838) internal successors, (136), 130 states have internal predecessors, (136), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-22 22:32:45,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:45,672 INFO L93 Difference]: Finished difference Result 368 states and 460 transitions. [2024-11-22 22:32:45,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:45,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 26 [2024-11-22 22:32:45,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:45,681 INFO L225 Difference]: With dead ends: 368 [2024-11-22 22:32:45,682 INFO L226 Difference]: Without dead ends: 218 [2024-11-22 22:32:45,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:45,687 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 75 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:45,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 159 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:45,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-22 22:32:45,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 176. [2024-11-22 22:32:45,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 103 states have (on average 1.8349514563106797) internal successors, (189), 158 states have internal predecessors, (189), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-22 22:32:45,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 219 transitions. [2024-11-22 22:32:45,794 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 219 transitions. Word has length 26 [2024-11-22 22:32:45,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:45,796 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 219 transitions. [2024-11-22 22:32:45,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-22 22:32:45,797 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 219 transitions. [2024-11-22 22:32:45,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-22 22:32:45,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:45,800 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:45,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:32:46,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-22 22:32:46,002 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:46,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:46,003 INFO L85 PathProgramCache]: Analyzing trace with hash -935551034, now seen corresponding path program 1 times [2024-11-22 22:32:46,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:46,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668360071] [2024-11-22 22:32:46,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:46,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:46,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [221393672] [2024-11-22 22:32:46,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:46,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:46,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:46,039 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) [2024-11-22 22:32:46,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:32:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:46,073 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:32:46,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:46,084 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:46,084 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:46,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:46,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668360071] [2024-11-22 22:32:46,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:46,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221393672] [2024-11-22 22:32:46,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221393672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:46,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:46,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:32:46,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114620181] [2024-11-22 22:32:46,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:46,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:32:46,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:46,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:32:46,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:46,087 INFO L87 Difference]: Start difference. First operand 176 states and 219 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-22 22:32:46,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:46,251 INFO L93 Difference]: Finished difference Result 277 states and 343 transitions. [2024-11-22 22:32:46,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:46,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 28 [2024-11-22 22:32:46,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:46,256 INFO L225 Difference]: With dead ends: 277 [2024-11-22 22:32:46,256 INFO L226 Difference]: Without dead ends: 269 [2024-11-22 22:32:46,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:46,258 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 84 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:46,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 206 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:32:46,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-22 22:32:46,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 229. [2024-11-22 22:32:46,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.7866666666666666) internal successors, (268), 205 states have internal predecessors, (268), 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) [2024-11-22 22:32:46,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 310 transitions. [2024-11-22 22:32:46,277 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 310 transitions. Word has length 28 [2024-11-22 22:32:46,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:46,278 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 310 transitions. [2024-11-22 22:32:46,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-22 22:32:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 310 transitions. [2024-11-22 22:32:46,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 22:32:46,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:46,279 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] [2024-11-22 22:32:46,287 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 22:32:46,480 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,SelfDestructingSolverStorable1 [2024-11-22 22:32:46,480 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:46,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:46,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1416377048, now seen corresponding path program 1 times [2024-11-22 22:32:46,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:46,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106932743] [2024-11-22 22:32:46,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:46,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:46,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1266770478] [2024-11-22 22:32:46,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:46,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:46,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:46,499 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) [2024-11-22 22:32:46,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:32:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:46,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:32:46,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:46,600 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:46,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:46,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106932743] [2024-11-22 22:32:46,600 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:46,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266770478] [2024-11-22 22:32:46,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266770478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:46,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:46,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:32:46,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232110965] [2024-11-22 22:32:46,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:46,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:32:46,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:46,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:32:46,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:46,602 INFO L87 Difference]: Start difference. First operand 229 states and 310 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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) [2024-11-22 22:32:46,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:46,821 INFO L93 Difference]: Finished difference Result 263 states and 329 transitions. [2024-11-22 22:32:46,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:46,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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 [2024-11-22 22:32:46,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:46,823 INFO L225 Difference]: With dead ends: 263 [2024-11-22 22:32:46,823 INFO L226 Difference]: Without dead ends: 249 [2024-11-22 22:32:46,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:46,824 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 61 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:46,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 134 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:46,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-22 22:32:46,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 194. [2024-11-22 22:32:46,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 120 states have (on average 1.7083333333333333) internal successors, (205), 175 states have internal predecessors, (205), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 22:32:46,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 237 transitions. [2024-11-22 22:32:46,838 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 237 transitions. Word has length 30 [2024-11-22 22:32:46,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:46,838 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 237 transitions. [2024-11-22 22:32:46,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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) [2024-11-22 22:32:46,838 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 237 transitions. [2024-11-22 22:32:46,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-22 22:32:46,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:46,839 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] [2024-11-22 22:32:46,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:32:47,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:47,044 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:47,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:47,045 INFO L85 PathProgramCache]: Analyzing trace with hash -323936951, now seen corresponding path program 1 times [2024-11-22 22:32:47,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:47,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836200211] [2024-11-22 22:32:47,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:47,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:47,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1554090169] [2024-11-22 22:32:47,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:47,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:47,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:47,067 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) [2024-11-22 22:32:47,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:32:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:47,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:32:47,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:47,118 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:47,119 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:47,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:47,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836200211] [2024-11-22 22:32:47,119 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:47,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554090169] [2024-11-22 22:32:47,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554090169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:47,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:47,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:32:47,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957621706] [2024-11-22 22:32:47,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:47,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:32:47,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:47,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:32:47,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:47,121 INFO L87 Difference]: Start difference. First operand 194 states and 237 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-22 22:32:47,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:47,251 INFO L93 Difference]: Finished difference Result 356 states and 456 transitions. [2024-11-22 22:32:47,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:47,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 37 [2024-11-22 22:32:47,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:47,253 INFO L225 Difference]: With dead ends: 356 [2024-11-22 22:32:47,253 INFO L226 Difference]: Without dead ends: 348 [2024-11-22 22:32:47,254 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 [2024-11-22 22:32:47,254 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 84 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:47,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 202 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:32:47,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-22 22:32:47,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 273. [2024-11-22 22:32:47,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.6894736842105262) internal successors, (321), 245 states have internal predecessors, (321), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:47,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 371 transitions. [2024-11-22 22:32:47,268 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 371 transitions. Word has length 37 [2024-11-22 22:32:47,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:47,268 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 371 transitions. [2024-11-22 22:32:47,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-11-22 22:32:47,268 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 371 transitions. [2024-11-22 22:32:47,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 22:32:47,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:47,269 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] [2024-11-22 22:32:47,279 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 22:32:47,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:47,470 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:47,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:47,470 INFO L85 PathProgramCache]: Analyzing trace with hash -2065762549, now seen corresponding path program 1 times [2024-11-22 22:32:47,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:47,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494690020] [2024-11-22 22:32:47,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:47,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:47,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [270026132] [2024-11-22 22:32:47,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:47,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:47,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:47,497 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) [2024-11-22 22:32:47,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:32:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:47,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:47,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:47,631 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:47,632 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:47,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:47,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494690020] [2024-11-22 22:32:47,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:47,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270026132] [2024-11-22 22:32:47,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270026132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:47,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:47,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:47,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296883973] [2024-11-22 22:32:47,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:47,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:47,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:47,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:47,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:47,634 INFO L87 Difference]: Start difference. First operand 273 states and 371 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, (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) [2024-11-22 22:32:47,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:47,820 INFO L93 Difference]: Finished difference Result 326 states and 436 transitions. [2024-11-22 22:32:47,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:47,821 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, (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 39 [2024-11-22 22:32:47,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:47,822 INFO L225 Difference]: With dead ends: 326 [2024-11-22 22:32:47,822 INFO L226 Difference]: Without dead ends: 324 [2024-11-22 22:32:47,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:47,823 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 171 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:47,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 162 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:47,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-22 22:32:47,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 273. [2024-11-22 22:32:47,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.668421052631579) internal successors, (317), 245 states have internal predecessors, (317), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 367 transitions. [2024-11-22 22:32:47,834 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 367 transitions. Word has length 39 [2024-11-22 22:32:47,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:47,835 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 367 transitions. [2024-11-22 22:32:47,835 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, (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) [2024-11-22 22:32:47,835 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 367 transitions. [2024-11-22 22:32:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-22 22:32:47,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:47,836 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] [2024-11-22 22:32:47,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 22:32:48,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:48,036 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:48,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:48,037 INFO L85 PathProgramCache]: Analyzing trace with hash 385870489, now seen corresponding path program 1 times [2024-11-22 22:32:48,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:48,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640318157] [2024-11-22 22:32:48,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:48,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:48,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:48,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [213760547] [2024-11-22 22:32:48,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:48,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:48,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:48,073 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) [2024-11-22 22:32:48,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:32:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:48,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:48,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:48,164 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:48,165 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:48,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:48,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640318157] [2024-11-22 22:32:48,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:48,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213760547] [2024-11-22 22:32:48,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213760547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:48,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:48,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:48,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38713774] [2024-11-22 22:32:48,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:48,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:48,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:48,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:48,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:48,166 INFO L87 Difference]: Start difference. First operand 273 states and 367 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, (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) [2024-11-22 22:32:48,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:48,367 INFO L93 Difference]: Finished difference Result 326 states and 432 transitions. [2024-11-22 22:32:48,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:48,368 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, (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 40 [2024-11-22 22:32:48,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:48,369 INFO L225 Difference]: With dead ends: 326 [2024-11-22 22:32:48,369 INFO L226 Difference]: Without dead ends: 324 [2024-11-22 22:32:48,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:48,370 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 170 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:48,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 162 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:48,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-22 22:32:48,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 273. [2024-11-22 22:32:48,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.6473684210526316) internal successors, (313), 245 states have internal predecessors, (313), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:48,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 363 transitions. [2024-11-22 22:32:48,405 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 363 transitions. Word has length 40 [2024-11-22 22:32:48,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:48,405 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 363 transitions. [2024-11-22 22:32:48,405 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, (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) [2024-11-22 22:32:48,405 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 363 transitions. [2024-11-22 22:32:48,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-22 22:32:48,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:48,410 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] [2024-11-22 22:32:48,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 22:32:48,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:48,611 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:48,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:48,612 INFO L85 PathProgramCache]: Analyzing trace with hash -922916659, now seen corresponding path program 1 times [2024-11-22 22:32:48,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:48,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50516536] [2024-11-22 22:32:48,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:48,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:48,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1864518376] [2024-11-22 22:32:48,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:48,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:48,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:48,641 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) [2024-11-22 22:32:48,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:32:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:48,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:48,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:48,704 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:48,704 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:48,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:48,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50516536] [2024-11-22 22:32:48,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:48,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864518376] [2024-11-22 22:32:48,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864518376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:48,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:48,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:48,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292861846] [2024-11-22 22:32:48,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:48,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:48,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:48,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:48,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:48,706 INFO L87 Difference]: Start difference. First operand 273 states and 363 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (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) [2024-11-22 22:32:48,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:48,920 INFO L93 Difference]: Finished difference Result 346 states and 436 transitions. [2024-11-22 22:32:48,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:48,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (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 41 [2024-11-22 22:32:48,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:48,922 INFO L225 Difference]: With dead ends: 346 [2024-11-22 22:32:48,922 INFO L226 Difference]: Without dead ends: 344 [2024-11-22 22:32:48,923 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:48,923 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 141 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:48,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 173 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:48,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-22 22:32:48,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 274. [2024-11-22 22:32:48,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 191 states have (on average 1.6282722513089005) internal successors, (311), 246 states have internal predecessors, (311), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:48,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 361 transitions. [2024-11-22 22:32:48,933 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 361 transitions. Word has length 41 [2024-11-22 22:32:48,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:48,933 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 361 transitions. [2024-11-22 22:32:48,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (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) [2024-11-22 22:32:48,933 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 361 transitions. [2024-11-22 22:32:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-22 22:32:48,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:48,934 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] [2024-11-22 22:32:48,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-22 22:32:49,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:49,139 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:49,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:49,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1454354715, now seen corresponding path program 1 times [2024-11-22 22:32:49,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:49,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185146614] [2024-11-22 22:32:49,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:49,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:49,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [343180173] [2024-11-22 22:32:49,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:49,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:49,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:49,160 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) [2024-11-22 22:32:49,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:32:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:49,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:49,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:32:49,267 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:49,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:49,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185146614] [2024-11-22 22:32:49,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:49,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343180173] [2024-11-22 22:32:49,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343180173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:49,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:49,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:49,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661606690] [2024-11-22 22:32:49,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:49,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:49,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:49,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:49,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:49,269 INFO L87 Difference]: Start difference. First operand 274 states and 361 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (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) [2024-11-22 22:32:49,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:49,573 INFO L93 Difference]: Finished difference Result 346 states and 432 transitions. [2024-11-22 22:32:49,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:49,574 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (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 42 [2024-11-22 22:32:49,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:49,575 INFO L225 Difference]: With dead ends: 346 [2024-11-22 22:32:49,575 INFO L226 Difference]: Without dead ends: 344 [2024-11-22 22:32:49,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:49,576 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 140 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:49,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 176 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:32:49,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-11-22 22:32:49,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 275. [2024-11-22 22:32:49,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 192 states have (on average 1.609375) internal successors, (309), 247 states have internal predecessors, (309), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:49,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 359 transitions. [2024-11-22 22:32:49,590 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 359 transitions. Word has length 42 [2024-11-22 22:32:49,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:49,590 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 359 transitions. [2024-11-22 22:32:49,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (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) [2024-11-22 22:32:49,590 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 359 transitions. [2024-11-22 22:32:49,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 22:32:49,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:49,591 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] [2024-11-22 22:32:49,598 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-22 22:32:49,792 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,SelfDestructingSolverStorable7 [2024-11-22 22:32:49,793 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:49,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:49,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1348027140, now seen corresponding path program 1 times [2024-11-22 22:32:49,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:49,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593878609] [2024-11-22 22:32:49,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:49,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:49,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1749689255] [2024-11-22 22:32:49,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:49,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:49,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:49,822 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) [2024-11-22 22:32:49,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:32:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:49,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:49,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:49,911 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:32:49,911 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:49,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:49,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593878609] [2024-11-22 22:32:49,911 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:49,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749689255] [2024-11-22 22:32:49,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749689255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:49,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:49,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:49,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442587723] [2024-11-22 22:32:49,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:49,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:49,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:49,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:49,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:49,913 INFO L87 Difference]: Start difference. First operand 275 states and 359 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:32:50,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:50,069 INFO L93 Difference]: Finished difference Result 297 states and 378 transitions. [2024-11-22 22:32:50,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:50,070 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 50 [2024-11-22 22:32:50,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:50,071 INFO L225 Difference]: With dead ends: 297 [2024-11-22 22:32:50,071 INFO L226 Difference]: Without dead ends: 295 [2024-11-22 22:32:50,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:50,072 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 155 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:50,072 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 173 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:32:50,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-22 22:32:50,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 276. [2024-11-22 22:32:50,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 193 states have (on average 1.5958549222797926) internal successors, (308), 248 states have internal predecessors, (308), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:50,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 358 transitions. [2024-11-22 22:32:50,081 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 358 transitions. Word has length 50 [2024-11-22 22:32:50,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:50,081 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 358 transitions. [2024-11-22 22:32:50,081 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), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:32:50,081 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 358 transitions. [2024-11-22 22:32:50,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:32:50,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:50,082 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] [2024-11-22 22:32:50,088 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:32:50,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:50,283 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:50,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:50,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1160831701, now seen corresponding path program 1 times [2024-11-22 22:32:50,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:50,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414692752] [2024-11-22 22:32:50,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:50,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:50,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1769179525] [2024-11-22 22:32:50,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:50,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:50,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:50,298 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) [2024-11-22 22:32:50,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:32:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:50,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:50,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:50,383 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:32:50,384 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:50,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:50,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414692752] [2024-11-22 22:32:50,384 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:50,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769179525] [2024-11-22 22:32:50,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769179525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:50,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:50,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:50,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125619794] [2024-11-22 22:32:50,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:50,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:50,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:50,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:50,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:50,386 INFO L87 Difference]: Start difference. First operand 276 states and 358 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:32:50,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:50,546 INFO L93 Difference]: Finished difference Result 297 states and 375 transitions. [2024-11-22 22:32:50,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:50,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 51 [2024-11-22 22:32:50,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:50,548 INFO L225 Difference]: With dead ends: 297 [2024-11-22 22:32:50,548 INFO L226 Difference]: Without dead ends: 295 [2024-11-22 22:32:50,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:50,549 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 207 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:50,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 155 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:32:50,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-22 22:32:50,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 277. [2024-11-22 22:32:50,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 194 states have (on average 1.5824742268041236) internal successors, (307), 249 states have internal predecessors, (307), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:50,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 357 transitions. [2024-11-22 22:32:50,573 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 357 transitions. Word has length 51 [2024-11-22 22:32:50,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:50,573 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 357 transitions. [2024-11-22 22:32:50,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-22 22:32:50,574 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 357 transitions. [2024-11-22 22:32:50,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 22:32:50,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:50,574 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] [2024-11-22 22:32:50,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-22 22:32:50,778 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,SelfDestructingSolverStorable9 [2024-11-22 22:32:50,779 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:50,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:50,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1626044446, now seen corresponding path program 1 times [2024-11-22 22:32:50,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:50,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486700184] [2024-11-22 22:32:50,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:50,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:50,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1270780545] [2024-11-22 22:32:50,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:50,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:50,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:50,794 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) [2024-11-22 22:32:50,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:32:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:50,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:50,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:50,889 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:32:50,889 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:50,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:50,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486700184] [2024-11-22 22:32:50,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:50,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1270780545] [2024-11-22 22:32:50,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1270780545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:50,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:50,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:50,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225196027] [2024-11-22 22:32:50,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:50,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:50,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:50,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:50,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:50,892 INFO L87 Difference]: Start difference. First operand 277 states and 357 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (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) [2024-11-22 22:32:51,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:51,328 INFO L93 Difference]: Finished difference Result 305 states and 364 transitions. [2024-11-22 22:32:51,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:51,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (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 52 [2024-11-22 22:32:51,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:51,329 INFO L225 Difference]: With dead ends: 305 [2024-11-22 22:32:51,330 INFO L226 Difference]: Without dead ends: 303 [2024-11-22 22:32:51,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:51,330 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 77 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:51,330 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 252 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:32:51,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-22 22:32:51,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 278. [2024-11-22 22:32:51,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 195 states have (on average 1.5692307692307692) internal successors, (306), 250 states have internal predecessors, (306), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:51,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 356 transitions. [2024-11-22 22:32:51,339 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 356 transitions. Word has length 52 [2024-11-22 22:32:51,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:51,340 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 356 transitions. [2024-11-22 22:32:51,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (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) [2024-11-22 22:32:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 356 transitions. [2024-11-22 22:32:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-22 22:32:51,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:51,340 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] [2024-11-22 22:32:51,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 22:32:51,541 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,SelfDestructingSolverStorable10 [2024-11-22 22:32:51,542 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:51,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:51,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1132229641, now seen corresponding path program 1 times [2024-11-22 22:32:51,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:51,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870261605] [2024-11-22 22:32:51,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:51,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:51,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1012921547] [2024-11-22 22:32:51,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:51,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:51,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:51,562 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) [2024-11-22 22:32:51,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:32:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:51,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:51,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:51,702 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-22 22:32:51,702 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:51,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:51,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870261605] [2024-11-22 22:32:51,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:51,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012921547] [2024-11-22 22:32:51,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012921547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:51,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:51,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:51,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556454438] [2024-11-22 22:32:51,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:51,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:51,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:51,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:51,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:51,704 INFO L87 Difference]: Start difference. First operand 278 states and 356 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, (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) [2024-11-22 22:32:52,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:52,170 INFO L93 Difference]: Finished difference Result 305 states and 361 transitions. [2024-11-22 22:32:52,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:52,171 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, (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 53 [2024-11-22 22:32:52,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:52,172 INFO L225 Difference]: With dead ends: 305 [2024-11-22 22:32:52,172 INFO L226 Difference]: Without dead ends: 303 [2024-11-22 22:32:52,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:52,173 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 77 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:52,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 255 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:32:52,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-22 22:32:52,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 279. [2024-11-22 22:32:52,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 196 states have (on average 1.5561224489795917) internal successors, (305), 251 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:52,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 355 transitions. [2024-11-22 22:32:52,183 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 355 transitions. Word has length 53 [2024-11-22 22:32:52,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:52,183 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 355 transitions. [2024-11-22 22:32:52,183 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, (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) [2024-11-22 22:32:52,183 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 355 transitions. [2024-11-22 22:32:52,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-22 22:32:52,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:52,184 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] [2024-11-22 22:32:52,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-22 22:32:52,384 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,SelfDestructingSolverStorable11 [2024-11-22 22:32:52,385 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:52,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:52,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1673162558, now seen corresponding path program 1 times [2024-11-22 22:32:52,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:52,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667159668] [2024-11-22 22:32:52,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:52,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:52,485 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:52,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:52,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667159668] [2024-11-22 22:32:52,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667159668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:52,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:52,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:32:52,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645039909] [2024-11-22 22:32:52,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:52,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:32:52,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:52,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:32:52,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:52,487 INFO L87 Difference]: Start difference. First operand 279 states and 355 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-22 22:32:52,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:52,529 INFO L93 Difference]: Finished difference Result 279 states and 355 transitions. [2024-11-22 22:32:52,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:52,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60 [2024-11-22 22:32:52,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:52,530 INFO L225 Difference]: With dead ends: 279 [2024-11-22 22:32:52,530 INFO L226 Difference]: Without dead ends: 277 [2024-11-22 22:32:52,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:52,531 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 46 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:52,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 209 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:32:52,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-22 22:32:52,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-22 22:32:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 196 states have (on average 1.5255102040816326) internal successors, (299), 249 states have internal predecessors, (299), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:52,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 349 transitions. [2024-11-22 22:32:52,540 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 349 transitions. Word has length 60 [2024-11-22 22:32:52,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:52,540 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 349 transitions. [2024-11-22 22:32:52,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-22 22:32:52,540 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 349 transitions. [2024-11-22 22:32:52,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-22 22:32:52,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:52,541 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] [2024-11-22 22:32:52,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-22 22:32:52,541 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:52,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:52,542 INFO L85 PathProgramCache]: Analyzing trace with hash 328431874, now seen corresponding path program 1 times [2024-11-22 22:32:52,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:52,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253406737] [2024-11-22 22:32:52,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:52,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:52,599 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:52,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:52,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253406737] [2024-11-22 22:32:52,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253406737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:52,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:52,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:32:52,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495821826] [2024-11-22 22:32:52,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:52,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:32:52,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:52,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:32:52,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:52,601 INFO L87 Difference]: Start difference. First operand 277 states and 349 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-22 22:32:52,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:52,634 INFO L93 Difference]: Finished difference Result 277 states and 349 transitions. [2024-11-22 22:32:52,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:52,634 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 61 [2024-11-22 22:32:52,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:52,636 INFO L225 Difference]: With dead ends: 277 [2024-11-22 22:32:52,636 INFO L226 Difference]: Without dead ends: 275 [2024-11-22 22:32:52,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:52,637 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 45 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:52,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 208 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:32:52,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-22 22:32:52,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2024-11-22 22:32:52,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 196 states have (on average 1.4846938775510203) internal successors, (291), 247 states have internal predecessors, (291), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:52,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 341 transitions. [2024-11-22 22:32:52,646 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 341 transitions. Word has length 61 [2024-11-22 22:32:52,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:52,646 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 341 transitions. [2024-11-22 22:32:52,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-22 22:32:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 341 transitions. [2024-11-22 22:32:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-22 22:32:52,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:52,647 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] [2024-11-22 22:32:52,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 22:32:52,647 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:52,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:52,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1591481438, now seen corresponding path program 1 times [2024-11-22 22:32:52,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:52,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219229944] [2024-11-22 22:32:52,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:52,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:52,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:52,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219229944] [2024-11-22 22:32:52,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219229944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:52,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:52,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:32:52,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981045539] [2024-11-22 22:32:52,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:52,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:32:52,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:52,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:32:52,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:32:52,765 INFO L87 Difference]: Start difference. First operand 275 states and 341 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 22:32:53,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:53,048 INFO L93 Difference]: Finished difference Result 278 states and 344 transitions. [2024-11-22 22:32:53,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:32:53,049 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 62 [2024-11-22 22:32:53,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:53,051 INFO L225 Difference]: With dead ends: 278 [2024-11-22 22:32:53,051 INFO L226 Difference]: Without dead ends: 277 [2024-11-22 22:32:53,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:32:53,053 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 277 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:53,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 163 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:53,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-22 22:32:53,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-22 22:32:53,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 198 states have (on average 1.47979797979798) internal successors, (293), 249 states have internal predecessors, (293), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:53,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 343 transitions. [2024-11-22 22:32:53,067 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 343 transitions. Word has length 62 [2024-11-22 22:32:53,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:53,067 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 343 transitions. [2024-11-22 22:32:53,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 22:32:53,068 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 343 transitions. [2024-11-22 22:32:53,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-22 22:32:53,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:53,071 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] [2024-11-22 22:32:53,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 22:32:53,071 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:53,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:53,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1591495340, now seen corresponding path program 1 times [2024-11-22 22:32:53,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:53,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768140563] [2024-11-22 22:32:53,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:53,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:53,166 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:53,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:53,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768140563] [2024-11-22 22:32:53,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768140563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:53,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:53,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:32:53,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953170926] [2024-11-22 22:32:53,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:53,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:32:53,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:53,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:32:53,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:32:53,168 INFO L87 Difference]: Start difference. First operand 277 states and 343 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 22:32:53,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:53,481 INFO L93 Difference]: Finished difference Result 278 states and 343 transitions. [2024-11-22 22:32:53,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:32:53,481 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 62 [2024-11-22 22:32:53,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:53,483 INFO L225 Difference]: With dead ends: 278 [2024-11-22 22:32:53,483 INFO L226 Difference]: Without dead ends: 277 [2024-11-22 22:32:53,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:32:53,483 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 277 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:53,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 163 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:32:53,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-22 22:32:53,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2024-11-22 22:32:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 198 states have (on average 1.4747474747474747) internal successors, (292), 249 states have internal predecessors, (292), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 342 transitions. [2024-11-22 22:32:53,493 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 342 transitions. Word has length 62 [2024-11-22 22:32:53,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:53,493 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 342 transitions. [2024-11-22 22:32:53,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-22 22:32:53,494 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 342 transitions. [2024-11-22 22:32:53,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 22:32:53,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:53,494 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] [2024-11-22 22:32:53,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 22:32:53,494 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:53,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:53,495 INFO L85 PathProgramCache]: Analyzing trace with hash -320361720, now seen corresponding path program 1 times [2024-11-22 22:32:53,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:53,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623799313] [2024-11-22 22:32:53,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:53,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:53,556 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:53,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:53,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623799313] [2024-11-22 22:32:53,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623799313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:53,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:53,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:32:53,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644029077] [2024-11-22 22:32:53,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:53,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:32:53,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:53,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:32:53,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:53,558 INFO L87 Difference]: Start difference. First operand 277 states and 342 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-22 22:32:53,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:53,696 INFO L93 Difference]: Finished difference Result 334 states and 410 transitions. [2024-11-22 22:32:53,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:53,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 65 [2024-11-22 22:32:53,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:53,698 INFO L225 Difference]: With dead ends: 334 [2024-11-22 22:32:53,698 INFO L226 Difference]: Without dead ends: 330 [2024-11-22 22:32:53,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:32:53,699 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 43 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:53,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 148 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:32:53,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-22 22:32:53,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 287. [2024-11-22 22:32:53,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 208 states have (on average 1.4567307692307692) internal successors, (303), 259 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 353 transitions. [2024-11-22 22:32:53,712 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 353 transitions. Word has length 65 [2024-11-22 22:32:53,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:53,712 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 353 transitions. [2024-11-22 22:32:53,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2024-11-22 22:32:53,712 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 353 transitions. [2024-11-22 22:32:53,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-22 22:32:53,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:53,713 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2024-11-22 22:32:53,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:32:53,713 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:53,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:53,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1429265646, now seen corresponding path program 1 times [2024-11-22 22:32:53,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:53,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561599125] [2024-11-22 22:32:53,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:53,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:53,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1900222483] [2024-11-22 22:32:53,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:53,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:53,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:53,733 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) [2024-11-22 22:32:53,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:32:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:53,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:32:53,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:53,905 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:53,905 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:32:54,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:54,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561599125] [2024-11-22 22:32:54,046 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:54,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900222483] [2024-11-22 22:32:54,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900222483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:32:54,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:32:54,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-22 22:32:54,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378346263] [2024-11-22 22:32:54,047 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:32:54,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:54,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:54,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:54,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:32:54,047 INFO L87 Difference]: Start difference. First operand 287 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-22 22:32:54,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:54,201 INFO L93 Difference]: Finished difference Result 328 states and 404 transitions. [2024-11-22 22:32:54,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:54,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 68 [2024-11-22 22:32:54,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:54,202 INFO L225 Difference]: With dead ends: 328 [2024-11-22 22:32:54,203 INFO L226 Difference]: Without dead ends: 326 [2024-11-22 22:32:54,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:32:54,203 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 72 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:54,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 142 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:32:54,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-22 22:32:54,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 288. [2024-11-22 22:32:54,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 209 states have (on average 1.4497607655502391) internal successors, (303), 260 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:54,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 353 transitions. [2024-11-22 22:32:54,214 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 353 transitions. Word has length 68 [2024-11-22 22:32:54,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:54,215 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 353 transitions. [2024-11-22 22:32:54,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-22 22:32:54,215 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 353 transitions. [2024-11-22 22:32:54,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-22 22:32:54,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:54,215 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2024-11-22 22:32:54,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-22 22:32:54,419 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 [2024-11-22 22:32:54,419 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:54,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:54,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1357562015, now seen corresponding path program 1 times [2024-11-22 22:32:54,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:54,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393755232] [2024-11-22 22:32:54,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:54,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:54,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1986096330] [2024-11-22 22:32:54,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:54,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:54,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:54,434 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) [2024-11-22 22:32:54,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:32:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:54,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:32:54,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:54,581 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:32:54,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:54,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393755232] [2024-11-22 22:32:54,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:54,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986096330] [2024-11-22 22:32:54,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986096330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:32:54,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:32:54,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-22 22:32:54,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912619071] [2024-11-22 22:32:54,754 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:32:54,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:54,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:54,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:54,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:32:54,759 INFO L87 Difference]: Start difference. First operand 288 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-22 22:32:55,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:55,007 INFO L93 Difference]: Finished difference Result 328 states and 402 transitions. [2024-11-22 22:32:55,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:32:55,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 69 [2024-11-22 22:32:55,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:55,009 INFO L225 Difference]: With dead ends: 328 [2024-11-22 22:32:55,009 INFO L226 Difference]: Without dead ends: 326 [2024-11-22 22:32:55,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:32:55,009 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 36 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:55,009 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 193 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:55,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2024-11-22 22:32:55,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 289. [2024-11-22 22:32:55,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 210 states have (on average 1.4428571428571428) internal successors, (303), 261 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:55,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 353 transitions. [2024-11-22 22:32:55,019 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 353 transitions. Word has length 69 [2024-11-22 22:32:55,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:55,019 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 353 transitions. [2024-11-22 22:32:55,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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) [2024-11-22 22:32:55,019 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 353 transitions. [2024-11-22 22:32:55,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-22 22:32:55,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:55,020 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] [2024-11-22 22:32:55,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-22 22:32:55,220 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 [2024-11-22 22:32:55,221 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:55,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:55,221 INFO L85 PathProgramCache]: Analyzing trace with hash 436284631, now seen corresponding path program 1 times [2024-11-22 22:32:55,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:55,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326882218] [2024-11-22 22:32:55,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:55,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-22 22:32:55,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:55,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326882218] [2024-11-22 22:32:55,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326882218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:32:55,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125965109] [2024-11-22 22:32:55,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:55,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:55,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:55,324 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) [2024-11-22 22:32:55,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:32:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:55,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:32:55,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 22:32:55,563 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:55,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125965109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:55,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:32:55,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-22 22:32:55,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193945717] [2024-11-22 22:32:55,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:55,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:55,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:55,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:55,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:32:55,565 INFO L87 Difference]: Start difference. First operand 289 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-22 22:32:55,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:55,861 INFO L93 Difference]: Finished difference Result 325 states and 400 transitions. [2024-11-22 22:32:55,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:32:55,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 73 [2024-11-22 22:32:55,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:55,863 INFO L225 Difference]: With dead ends: 325 [2024-11-22 22:32:55,863 INFO L226 Difference]: Without dead ends: 324 [2024-11-22 22:32:55,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:32:55,863 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 62 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:55,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 137 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:32:55,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-22 22:32:55,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 290. [2024-11-22 22:32:55,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 211 states have (on average 1.4360189573459716) internal successors, (303), 262 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:55,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 353 transitions. [2024-11-22 22:32:55,873 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 353 transitions. Word has length 73 [2024-11-22 22:32:55,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:55,873 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 353 transitions. [2024-11-22 22:32:55,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-22 22:32:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 353 transitions. [2024-11-22 22:32:55,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 22:32:55,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:55,874 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:55,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-22 22:32:56,074 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 [2024-11-22 22:32:56,075 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:56,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:56,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1717877034, now seen corresponding path program 1 times [2024-11-22 22:32:56,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:56,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139991847] [2024-11-22 22:32:56,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:56,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:56,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1965976800] [2024-11-22 22:32:56,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:56,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:56,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:56,088 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) [2024-11-22 22:32:56,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 22:32:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:56,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:56,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-22 22:32:56,166 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:56,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:56,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139991847] [2024-11-22 22:32:56,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:56,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965976800] [2024-11-22 22:32:56,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965976800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:56,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:56,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:56,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723190067] [2024-11-22 22:32:56,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:56,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:56,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:56,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:56,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:56,168 INFO L87 Difference]: Start difference. First operand 290 states and 353 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) [2024-11-22 22:32:56,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:56,395 INFO L93 Difference]: Finished difference Result 341 states and 398 transitions. [2024-11-22 22:32:56,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:56,395 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 72 [2024-11-22 22:32:56,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:56,396 INFO L225 Difference]: With dead ends: 341 [2024-11-22 22:32:56,396 INFO L226 Difference]: Without dead ends: 340 [2024-11-22 22:32:56,397 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 [2024-11-22 22:32:56,397 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 74 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:56,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 220 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:56,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-22 22:32:56,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 290. [2024-11-22 22:32:56,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 211 states have (on average 1.4312796208530805) internal successors, (302), 262 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:56,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 352 transitions. [2024-11-22 22:32:56,408 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 352 transitions. Word has length 72 [2024-11-22 22:32:56,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:56,408 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 352 transitions. [2024-11-22 22:32:56,408 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) [2024-11-22 22:32:56,408 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 352 transitions. [2024-11-22 22:32:56,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-22 22:32:56,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:56,409 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] [2024-11-22 22:32:56,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-22 22:32:56,609 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 [2024-11-22 22:32:56,610 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:56,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:56,610 INFO L85 PathProgramCache]: Analyzing trace with hash 639921818, now seen corresponding path program 1 times [2024-11-22 22:32:56,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:56,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054078011] [2024-11-22 22:32:56,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:56,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:56,692 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-22 22:32:56,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:56,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054078011] [2024-11-22 22:32:56,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054078011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:32:56,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384717882] [2024-11-22 22:32:56,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:56,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:56,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:56,695 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) [2024-11-22 22:32:56,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 22:32:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:56,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:32:56,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:56,889 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 22:32:56,890 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:56,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384717882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:56,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:32:56,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-22 22:32:56,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479485873] [2024-11-22 22:32:56,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:56,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:56,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:56,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:56,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:32:56,891 INFO L87 Difference]: Start difference. First operand 290 states and 352 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (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) [2024-11-22 22:32:57,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:57,150 INFO L93 Difference]: Finished difference Result 325 states and 397 transitions. [2024-11-22 22:32:57,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:57,152 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (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 74 [2024-11-22 22:32:57,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:57,153 INFO L225 Difference]: With dead ends: 325 [2024-11-22 22:32:57,153 INFO L226 Difference]: Without dead ends: 324 [2024-11-22 22:32:57,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:32:57,154 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 59 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:57,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 145 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:32:57,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-22 22:32:57,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 291. [2024-11-22 22:32:57,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 212 states have (on average 1.4245283018867925) internal successors, (302), 263 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:57,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 352 transitions. [2024-11-22 22:32:57,165 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 352 transitions. Word has length 74 [2024-11-22 22:32:57,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:57,166 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 352 transitions. [2024-11-22 22:32:57,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (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) [2024-11-22 22:32:57,166 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 352 transitions. [2024-11-22 22:32:57,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-22 22:32:57,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:57,168 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:57,175 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-22 22:32:57,368 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 [2024-11-22 22:32:57,369 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:57,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:57,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1714580443, now seen corresponding path program 1 times [2024-11-22 22:32:57,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:57,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097307340] [2024-11-22 22:32:57,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:57,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:57,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [593051952] [2024-11-22 22:32:57,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:57,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:57,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:57,386 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) [2024-11-22 22:32:57,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-22 22:32:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:57,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:32:57,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:57,505 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-22 22:32:57,505 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:32:57,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:57,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097307340] [2024-11-22 22:32:57,506 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:57,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593051952] [2024-11-22 22:32:57,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593051952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:32:57,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:32:57,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:32:57,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069248653] [2024-11-22 22:32:57,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:32:57,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:32:57,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:57,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:32:57,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:32:57,508 INFO L87 Difference]: Start difference. First operand 291 states and 352 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) [2024-11-22 22:32:57,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:32:57,915 INFO L93 Difference]: Finished difference Result 343 states and 395 transitions. [2024-11-22 22:32:57,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:32:57,916 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 73 [2024-11-22 22:32:57,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:32:57,917 INFO L225 Difference]: With dead ends: 343 [2024-11-22 22:32:57,917 INFO L226 Difference]: Without dead ends: 340 [2024-11-22 22:32:57,918 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 [2024-11-22 22:32:57,918 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 74 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:32:57,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 222 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:32:57,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-22 22:32:57,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 294. [2024-11-22 22:32:57,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 215 states have (on average 1.4186046511627908) internal successors, (305), 266 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-22 22:32:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 355 transitions. [2024-11-22 22:32:57,928 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 355 transitions. Word has length 73 [2024-11-22 22:32:57,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:32:57,929 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 355 transitions. [2024-11-22 22:32:57,929 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) [2024-11-22 22:32:57,929 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 355 transitions. [2024-11-22 22:32:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-22 22:32:57,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:32:57,930 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:32:57,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-22 22:32:58,130 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 [2024-11-22 22:32:58,130 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:32:58,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:32:58,131 INFO L85 PathProgramCache]: Analyzing trace with hash -729712663, now seen corresponding path program 1 times [2024-11-22 22:32:58,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:32:58,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423414570] [2024-11-22 22:32:58,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:58,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:32:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:32:58,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989746938] [2024-11-22 22:32:58,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:32:58,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:32:58,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:32:58,146 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) [2024-11-22 22:32:58,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-22 22:32:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:32:58,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:32:58,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:32:58,479 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:32:58,480 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:32:59,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:32:59,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423414570] [2024-11-22 22:32:59,952 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:32:59,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989746938] [2024-11-22 22:32:59,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989746938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:32:59,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:32:59,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:32:59,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558602824] [2024-11-22 22:32:59,953 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:32:59,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:32:59,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:32:59,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:32:59,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=101, Unknown=1, NotChecked=0, Total=132 [2024-11-22 22:32:59,954 INFO L87 Difference]: Start difference. First operand 294 states and 355 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:33:00,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:00,745 INFO L93 Difference]: Finished difference Result 458 states and 587 transitions. [2024-11-22 22:33:00,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:33:00,745 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 79 [2024-11-22 22:33:00,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:00,747 INFO L225 Difference]: With dead ends: 458 [2024-11-22 22:33:00,747 INFO L226 Difference]: Without dead ends: 456 [2024-11-22 22:33:00,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=55, Invalid=154, Unknown=1, NotChecked=0, Total=210 [2024-11-22 22:33:00,748 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 301 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:00,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 400 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:33:00,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-22 22:33:00,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 364. [2024-11-22 22:33:00,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 277 states have (on average 1.4548736462093863) internal successors, (403), 328 states have internal predecessors, (403), 33 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-22 22:33:00,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 469 transitions. [2024-11-22 22:33:00,762 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 469 transitions. Word has length 79 [2024-11-22 22:33:00,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:00,762 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 469 transitions. [2024-11-22 22:33:00,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:33:00,762 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 469 transitions. [2024-11-22 22:33:00,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-22 22:33:00,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:00,763 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:00,770 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-22 22:33:00,967 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 [2024-11-22 22:33:00,968 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:00,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:00,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1146256009, now seen corresponding path program 1 times [2024-11-22 22:33:00,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:00,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579962019] [2024-11-22 22:33:00,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:00,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:00,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1758595238] [2024-11-22 22:33:00,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:00,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:00,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:00,981 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) [2024-11-22 22:33:00,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-22 22:33:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:01,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:33:01,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:01,297 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:33:01,297 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:02,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:02,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579962019] [2024-11-22 22:33:02,821 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:02,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758595238] [2024-11-22 22:33:02,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758595238] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:02,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:02,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:33:02,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647788553] [2024-11-22 22:33:02,822 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:02,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:33:02,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:02,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:33:02,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=101, Unknown=1, NotChecked=0, Total=132 [2024-11-22 22:33:02,823 INFO L87 Difference]: Start difference. First operand 364 states and 469 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:33:03,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:03,668 INFO L93 Difference]: Finished difference Result 478 states and 617 transitions. [2024-11-22 22:33:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:33:03,672 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 80 [2024-11-22 22:33:03,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:03,673 INFO L225 Difference]: With dead ends: 478 [2024-11-22 22:33:03,673 INFO L226 Difference]: Without dead ends: 471 [2024-11-22 22:33:03,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=97, Invalid=244, Unknown=1, NotChecked=0, Total=342 [2024-11-22 22:33:03,674 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 588 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:03,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 331 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:33:03,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-22 22:33:03,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 424. [2024-11-22 22:33:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 331 states have (on average 1.486404833836858) internal successors, (492), 382 states have internal predecessors, (492), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-22 22:33:03,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 570 transitions. [2024-11-22 22:33:03,714 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 570 transitions. Word has length 80 [2024-11-22 22:33:03,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:03,714 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 570 transitions. [2024-11-22 22:33:03,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:33:03,715 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 570 transitions. [2024-11-22 22:33:03,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-22 22:33:03,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:03,715 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:03,734 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:03,915 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 [2024-11-22 22:33:03,916 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:03,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:03,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1174197845, now seen corresponding path program 1 times [2024-11-22 22:33:03,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:03,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812133228] [2024-11-22 22:33:03,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:03,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:03,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [454994923] [2024-11-22 22:33:03,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:03,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:03,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:03,947 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) [2024-11-22 22:33:03,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-22 22:33:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:03,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:33:03,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:04,358 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:33:04,358 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:04,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:04,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812133228] [2024-11-22 22:33:04,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:04,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454994923] [2024-11-22 22:33:04,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454994923] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:04,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:04,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:33:04,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298536214] [2024-11-22 22:33:04,494 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:04,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:33:04,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:04,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:33:04,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:33:04,494 INFO L87 Difference]: Start difference. First operand 424 states and 570 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:33:05,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:05,157 INFO L93 Difference]: Finished difference Result 470 states and 603 transitions. [2024-11-22 22:33:05,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:33:05,158 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 81 [2024-11-22 22:33:05,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:05,163 INFO L225 Difference]: With dead ends: 470 [2024-11-22 22:33:05,163 INFO L226 Difference]: Without dead ends: 464 [2024-11-22 22:33:05,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:33:05,163 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 414 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:05,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 281 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:33:05,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-22 22:33:05,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 422. [2024-11-22 22:33:05,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 329 states have (on average 1.446808510638298) internal successors, (476), 380 states have internal predecessors, (476), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-22 22:33:05,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 554 transitions. [2024-11-22 22:33:05,199 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 554 transitions. Word has length 81 [2024-11-22 22:33:05,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:05,199 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 554 transitions. [2024-11-22 22:33:05,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:33:05,200 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 554 transitions. [2024-11-22 22:33:05,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-22 22:33:05,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:05,200 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:05,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:05,401 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 [2024-11-22 22:33:05,401 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:05,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:05,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2040394759, now seen corresponding path program 1 times [2024-11-22 22:33:05,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:05,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85744222] [2024-11-22 22:33:05,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:05,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:05,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1778656123] [2024-11-22 22:33:05,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:05,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:05,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:05,434 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) [2024-11-22 22:33:05,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-22 22:33:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:05,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:33:05,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:05,962 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:33:05,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:06,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:06,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85744222] [2024-11-22 22:33:06,229 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:06,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778656123] [2024-11-22 22:33:06,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778656123] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:06,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:06,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:33:06,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897249100] [2024-11-22 22:33:06,229 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:06,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:33:06,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:06,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:33:06,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:33:06,230 INFO L87 Difference]: Start difference. First operand 422 states and 554 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:33:06,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:06,896 INFO L93 Difference]: Finished difference Result 524 states and 689 transitions. [2024-11-22 22:33:06,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:33:06,897 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 82 [2024-11-22 22:33:06,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:06,899 INFO L225 Difference]: With dead ends: 524 [2024-11-22 22:33:06,899 INFO L226 Difference]: Without dead ends: 522 [2024-11-22 22:33:06,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:33:06,899 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 309 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 1041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:06,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 321 Invalid, 1041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:33:06,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-22 22:33:06,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 457. [2024-11-22 22:33:06,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 360 states have (on average 1.4416666666666667) internal successors, (519), 411 states have internal predecessors, (519), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-22 22:33:06,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 605 transitions. [2024-11-22 22:33:06,916 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 605 transitions. Word has length 82 [2024-11-22 22:33:06,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:06,916 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 605 transitions. [2024-11-22 22:33:06,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-22 22:33:06,917 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 605 transitions. [2024-11-22 22:33:06,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-22 22:33:06,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:06,917 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:06,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:07,121 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 [2024-11-22 22:33:07,122 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:07,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:07,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1172271981, now seen corresponding path program 1 times [2024-11-22 22:33:07,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:07,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008666529] [2024-11-22 22:33:07,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:07,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:07,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [571830316] [2024-11-22 22:33:07,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:07,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:07,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:07,138 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) [2024-11-22 22:33:07,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-22 22:33:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:07,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-22 22:33:07,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:07,742 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:33:07,743 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:07,969 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-22 22:33:07,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:07,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008666529] [2024-11-22 22:33:07,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:07,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571830316] [2024-11-22 22:33:07,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571830316] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:07,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:33:07,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2024-11-22 22:33:07,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087985192] [2024-11-22 22:33:07,970 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:07,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:33:07,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:07,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:33:07,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:33:07,971 INFO L87 Difference]: Start difference. First operand 457 states and 605 transitions. Second operand has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-22 22:33:09,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:09,688 INFO L93 Difference]: Finished difference Result 578 states and 777 transitions. [2024-11-22 22:33:09,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 22:33:09,688 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 83 [2024-11-22 22:33:09,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:09,690 INFO L225 Difference]: With dead ends: 578 [2024-11-22 22:33:09,690 INFO L226 Difference]: Without dead ends: 572 [2024-11-22 22:33:09,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=357, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:33:09,694 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 569 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 1430 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 1430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:09,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 317 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 1430 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-22 22:33:09,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-22 22:33:09,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 530. [2024-11-22 22:33:09,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 429 states have (on average 1.4055944055944056) internal successors, (603), 479 states have internal predecessors, (603), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-22 22:33:09,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 699 transitions. [2024-11-22 22:33:09,718 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 699 transitions. Word has length 83 [2024-11-22 22:33:09,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:09,718 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 699 transitions. [2024-11-22 22:33:09,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.153846153846154) internal successors, (93), 13 states have internal predecessors, (93), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-22 22:33:09,718 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 699 transitions. [2024-11-22 22:33:09,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-22 22:33:09,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:09,719 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:09,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:09,920 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 [2024-11-22 22:33:09,920 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:09,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:09,921 INFO L85 PathProgramCache]: Analyzing trace with hash 14248968, now seen corresponding path program 1 times [2024-11-22 22:33:09,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:09,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427327268] [2024-11-22 22:33:09,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:09,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:09,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [11817122] [2024-11-22 22:33:09,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:09,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:09,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:09,949 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) [2024-11-22 22:33:09,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-22 22:33:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:09,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:33:09,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-22 22:33:10,323 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:11,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:11,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427327268] [2024-11-22 22:33:11,810 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:11,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11817122] [2024-11-22 22:33:11,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11817122] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:11,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:11,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:33:11,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787721955] [2024-11-22 22:33:11,811 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:11,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:33:11,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:11,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:33:11,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=139, Unknown=1, NotChecked=0, Total=182 [2024-11-22 22:33:11,812 INFO L87 Difference]: Start difference. First operand 530 states and 699 transitions. Second operand has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-22 22:33:12,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:12,465 INFO L93 Difference]: Finished difference Result 666 states and 893 transitions. [2024-11-22 22:33:12,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:33:12,466 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 90 [2024-11-22 22:33:12,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:12,468 INFO L225 Difference]: With dead ends: 666 [2024-11-22 22:33:12,468 INFO L226 Difference]: Without dead ends: 664 [2024-11-22 22:33:12,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=95, Invalid=246, Unknown=1, NotChecked=0, Total=342 [2024-11-22 22:33:12,470 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 275 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 1042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:12,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 391 Invalid, 1042 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:33:12,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2024-11-22 22:33:12,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 633. [2024-11-22 22:33:12,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 521 states have (on average 1.4299424184261036) internal successors, (745), 571 states have internal predecessors, (745), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-22 22:33:12,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 863 transitions. [2024-11-22 22:33:12,541 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 863 transitions. Word has length 90 [2024-11-22 22:33:12,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:12,541 INFO L471 AbstractCegarLoop]: Abstraction has 633 states and 863 transitions. [2024-11-22 22:33:12,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-22 22:33:12,542 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 863 transitions. [2024-11-22 22:33:12,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-22 22:33:12,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:12,544 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:12,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-22 22:33:12,747 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 [2024-11-22 22:33:12,749 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:12,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:12,749 INFO L85 PathProgramCache]: Analyzing trace with hash 441718085, now seen corresponding path program 1 times [2024-11-22 22:33:12,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:12,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466802579] [2024-11-22 22:33:12,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:12,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:12,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [6848329] [2024-11-22 22:33:12,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:12,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:12,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:12,770 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) [2024-11-22 22:33:12,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-22 22:33:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:12,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:33:12,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-22 22:33:13,178 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:13,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:13,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466802579] [2024-11-22 22:33:13,469 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:13,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6848329] [2024-11-22 22:33:13,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6848329] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:13,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:13,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-22 22:33:13,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242197459] [2024-11-22 22:33:13,470 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:13,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:33:13,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:13,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:33:13,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:33:13,471 INFO L87 Difference]: Start difference. First operand 633 states and 863 transitions. Second operand has 10 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-22 22:33:14,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:14,315 INFO L93 Difference]: Finished difference Result 668 states and 896 transitions. [2024-11-22 22:33:14,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:33:14,315 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 91 [2024-11-22 22:33:14,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:14,317 INFO L225 Difference]: With dead ends: 668 [2024-11-22 22:33:14,317 INFO L226 Difference]: Without dead ends: 661 [2024-11-22 22:33:14,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=162, Invalid=390, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:33:14,318 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 562 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 1125 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 568 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 1125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:14,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [568 Valid, 356 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 1125 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:33:14,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-22 22:33:14,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 627. [2024-11-22 22:33:14,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 521 states have (on average 1.3973128598848368) internal successors, (728), 565 states have internal predecessors, (728), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-22 22:33:14,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 846 transitions. [2024-11-22 22:33:14,354 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 846 transitions. Word has length 91 [2024-11-22 22:33:14,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:14,354 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 846 transitions. [2024-11-22 22:33:14,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-22 22:33:14,354 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 846 transitions. [2024-11-22 22:33:14,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-22 22:33:14,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:14,355 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:14,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:14,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:14,559 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:14,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:14,559 INFO L85 PathProgramCache]: Analyzing trace with hash 808358826, now seen corresponding path program 1 times [2024-11-22 22:33:14,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:14,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887630153] [2024-11-22 22:33:14,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:14,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:14,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1012475235] [2024-11-22 22:33:14,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:14,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:14,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:14,573 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) [2024-11-22 22:33:14,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-22 22:33:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:14,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:33:14,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:14,843 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-22 22:33:14,844 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:14,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:14,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887630153] [2024-11-22 22:33:14,945 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:14,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012475235] [2024-11-22 22:33:14,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012475235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:14,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:14,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:33:14,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770788148] [2024-11-22 22:33:14,945 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:14,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:33:14,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:14,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:33:14,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:33:14,946 INFO L87 Difference]: Start difference. First operand 627 states and 846 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:33:15,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:15,129 INFO L93 Difference]: Finished difference Result 627 states and 846 transitions. [2024-11-22 22:33:15,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:33:15,130 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 92 [2024-11-22 22:33:15,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:15,132 INFO L225 Difference]: With dead ends: 627 [2024-11-22 22:33:15,132 INFO L226 Difference]: Without dead ends: 621 [2024-11-22 22:33:15,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:33:15,133 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 60 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:15,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 186 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:33:15,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-11-22 22:33:15,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 546. [2024-11-22 22:33:15,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 453 states have (on average 1.3311258278145695) internal successors, (603), 491 states have internal predecessors, (603), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-22 22:33:15,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 707 transitions. [2024-11-22 22:33:15,159 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 707 transitions. Word has length 92 [2024-11-22 22:33:15,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:15,159 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 707 transitions. [2024-11-22 22:33:15,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:33:15,159 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 707 transitions. [2024-11-22 22:33:15,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-22 22:33:15,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:15,160 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:15,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:15,360 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,SelfDestructingSolverStorable30 [2024-11-22 22:33:15,361 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:15,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:15,361 INFO L85 PathProgramCache]: Analyzing trace with hash -710680089, now seen corresponding path program 1 times [2024-11-22 22:33:15,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:15,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342632432] [2024-11-22 22:33:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:15,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:15,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806767930] [2024-11-22 22:33:15,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:15,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:15,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:15,376 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) [2024-11-22 22:33:15,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-22 22:33:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:15,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:33:15,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:15,628 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-22 22:33:15,628 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:15,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:15,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342632432] [2024-11-22 22:33:15,848 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:15,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806767930] [2024-11-22 22:33:15,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806767930] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:15,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:15,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:33:15,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707215628] [2024-11-22 22:33:15,849 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:15,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:33:15,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:15,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:33:15,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:33:15,849 INFO L87 Difference]: Start difference. First operand 546 states and 707 transitions. Second operand has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:33:16,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:16,187 INFO L93 Difference]: Finished difference Result 651 states and 850 transitions. [2024-11-22 22:33:16,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:33:16,187 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 93 [2024-11-22 22:33:16,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:16,189 INFO L225 Difference]: With dead ends: 651 [2024-11-22 22:33:16,189 INFO L226 Difference]: Without dead ends: 649 [2024-11-22 22:33:16,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:33:16,190 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 229 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:16,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 312 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:33:16,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-11-22 22:33:16,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 601. [2024-11-22 22:33:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 502 states have (on average 1.3565737051792828) internal successors, (681), 540 states have internal predecessors, (681), 58 states have call successors, (58), 2 states have call predecessors, (58), 2 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-22 22:33:16,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 797 transitions. [2024-11-22 22:33:16,219 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 797 transitions. Word has length 93 [2024-11-22 22:33:16,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:16,219 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 797 transitions. [2024-11-22 22:33:16,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:33:16,219 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 797 transitions. [2024-11-22 22:33:16,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-22 22:33:16,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:16,220 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:16,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-22 22:33:16,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:16,421 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:16,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:16,421 INFO L85 PathProgramCache]: Analyzing trace with hash -556246196, now seen corresponding path program 1 times [2024-11-22 22:33:16,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:16,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92673333] [2024-11-22 22:33:16,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:16,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:16,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [367412268] [2024-11-22 22:33:16,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:16,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:16,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:16,434 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) [2024-11-22 22:33:16,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-22 22:33:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:16,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:33:16,472 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:16,989 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:33:16,989 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-22 22:33:17,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:17,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92673333] [2024-11-22 22:33:17,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:17,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367412268] [2024-11-22 22:33:17,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367412268] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:17,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:33:17,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-22 22:33:17,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757574130] [2024-11-22 22:33:17,268 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:17,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:33:17,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:17,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:33:17,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:33:17,269 INFO L87 Difference]: Start difference. First operand 601 states and 797 transitions. Second operand has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-22 22:33:18,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:18,713 INFO L93 Difference]: Finished difference Result 676 states and 897 transitions. [2024-11-22 22:33:18,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 22:33:18,713 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 94 [2024-11-22 22:33:18,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:18,716 INFO L225 Difference]: With dead ends: 676 [2024-11-22 22:33:18,716 INFO L226 Difference]: Without dead ends: 645 [2024-11-22 22:33:18,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:33:18,717 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 451 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 1122 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 1122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:18,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 263 Invalid, 1184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 1122 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-22 22:33:18,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-22 22:33:18,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 624. [2024-11-22 22:33:18,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 525 states have (on average 1.361904761904762) internal successors, (715), 562 states have internal predecessors, (715), 59 states have call successors, (59), 2 states have call predecessors, (59), 2 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-22 22:33:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 833 transitions. [2024-11-22 22:33:18,749 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 833 transitions. Word has length 94 [2024-11-22 22:33:18,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:18,749 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 833 transitions. [2024-11-22 22:33:18,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-22 22:33:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 833 transitions. [2024-11-22 22:33:18,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-22 22:33:18,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:18,750 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:18,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-22 22:33:18,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:18,950 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:18,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:18,951 INFO L85 PathProgramCache]: Analyzing trace with hash -63762807, now seen corresponding path program 1 times [2024-11-22 22:33:18,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:18,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567760625] [2024-11-22 22:33:18,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:18,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:18,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113184901] [2024-11-22 22:33:18,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:18,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:18,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:18,969 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) [2024-11-22 22:33:18,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-22 22:33:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:19,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-22 22:33:19,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:33:19,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:19,969 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 6 proven. 39 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-22 22:33:19,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:19,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567760625] [2024-11-22 22:33:19,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:19,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113184901] [2024-11-22 22:33:19,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113184901] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:19,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:33:19,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2024-11-22 22:33:19,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021558759] [2024-11-22 22:33:19,970 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:19,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-22 22:33:19,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:19,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-22 22:33:19,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:33:19,971 INFO L87 Difference]: Start difference. First operand 624 states and 833 transitions. Second operand has 19 states, 16 states have (on average 7.0625) internal successors, (113), 15 states have internal predecessors, (113), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-22 22:33:22,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:22,562 INFO L93 Difference]: Finished difference Result 782 states and 1063 transitions. [2024-11-22 22:33:22,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 22:33:22,563 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.0625) internal successors, (113), 15 states have internal predecessors, (113), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) Word has length 95 [2024-11-22 22:33:22,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:22,565 INFO L225 Difference]: With dead ends: 782 [2024-11-22 22:33:22,565 INFO L226 Difference]: Without dead ends: 780 [2024-11-22 22:33:22,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=181, Invalid=575, Unknown=0, NotChecked=0, Total=756 [2024-11-22 22:33:22,566 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 849 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 1651 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 855 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:22,566 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [855 Valid, 461 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1651 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-22 22:33:22,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2024-11-22 22:33:22,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 693. [2024-11-22 22:33:22,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 589 states have (on average 1.3769100169779287) internal successors, (811), 625 states have internal predecessors, (811), 65 states have call successors, (65), 2 states have call predecessors, (65), 2 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-22 22:33:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 941 transitions. [2024-11-22 22:33:22,607 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 941 transitions. Word has length 95 [2024-11-22 22:33:22,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:22,607 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 941 transitions. [2024-11-22 22:33:22,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.0625) internal successors, (113), 15 states have internal predecessors, (113), 10 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (17), 9 states have call predecessors, (17), 10 states have call successors, (17) [2024-11-22 22:33:22,607 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 941 transitions. [2024-11-22 22:33:22,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-22 22:33:22,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:22,608 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:22,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:22,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:22,813 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:22,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:22,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1880695820, now seen corresponding path program 1 times [2024-11-22 22:33:22,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:22,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672768153] [2024-11-22 22:33:22,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:22,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:22,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:22,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672768153] [2024-11-22 22:33:22,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672768153] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:22,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17689105] [2024-11-22 22:33:22,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:22,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:22,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:22,884 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) [2024-11-22 22:33:22,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-22 22:33:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:22,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:33:22,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:23,062 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:23,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:23,166 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:23,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17689105] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:23,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:33:23,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-22 22:33:23,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291077632] [2024-11-22 22:33:23,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:23,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:33:23,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:23,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:33:23,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:33:23,171 INFO L87 Difference]: Start difference. First operand 693 states and 941 transitions. Second operand has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-22 22:33:23,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:23,954 INFO L93 Difference]: Finished difference Result 1027 states and 1379 transitions. [2024-11-22 22:33:23,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-22 22:33:23,954 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 104 [2024-11-22 22:33:23,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:23,957 INFO L225 Difference]: With dead ends: 1027 [2024-11-22 22:33:23,957 INFO L226 Difference]: Without dead ends: 1026 [2024-11-22 22:33:23,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2024-11-22 22:33:23,958 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 1020 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 678 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 678 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:23,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1020 Valid, 685 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 678 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:33:23,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2024-11-22 22:33:24,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 804. [2024-11-22 22:33:24,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 688 states have (on average 1.4026162790697674) internal successors, (965), 724 states have internal predecessors, (965), 77 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-22 22:33:24,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1119 transitions. [2024-11-22 22:33:24,003 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1119 transitions. Word has length 104 [2024-11-22 22:33:24,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:24,004 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 1119 transitions. [2024-11-22 22:33:24,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2024-11-22 22:33:24,004 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1119 transitions. [2024-11-22 22:33:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-22 22:33:24,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:24,005 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:24,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:24,205 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,SelfDestructingSolverStorable34 [2024-11-22 22:33:24,205 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:24,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:24,206 INFO L85 PathProgramCache]: Analyzing trace with hash -245279220, now seen corresponding path program 1 times [2024-11-22 22:33:24,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:24,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810409744] [2024-11-22 22:33:24,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:24,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:24,270 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:24,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:24,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810409744] [2024-11-22 22:33:24,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810409744] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:24,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599359632] [2024-11-22 22:33:24,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:24,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:24,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:24,276 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) [2024-11-22 22:33:24,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-22 22:33:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:24,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:33:24,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:24,477 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:24,477 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:24,591 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:24,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599359632] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:24,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:33:24,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-22 22:33:24,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744162571] [2024-11-22 22:33:24,592 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:24,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:33:24,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:24,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:33:24,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:33:24,593 INFO L87 Difference]: Start difference. First operand 804 states and 1119 transitions. Second operand has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-22 22:33:25,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:25,391 INFO L93 Difference]: Finished difference Result 1328 states and 1812 transitions. [2024-11-22 22:33:25,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-22 22:33:25,391 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 104 [2024-11-22 22:33:25,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:25,395 INFO L225 Difference]: With dead ends: 1328 [2024-11-22 22:33:25,395 INFO L226 Difference]: Without dead ends: 1327 [2024-11-22 22:33:25,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2024-11-22 22:33:25,396 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 711 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 714 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:25,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [714 Valid, 650 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:33:25,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1327 states. [2024-11-22 22:33:25,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1327 to 1023. [2024-11-22 22:33:25,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 886 states have (on average 1.4345372460496615) internal successors, (1271), 922 states have internal predecessors, (1271), 98 states have call successors, (98), 2 states have call predecessors, (98), 2 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2024-11-22 22:33:25,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1467 transitions. [2024-11-22 22:33:25,465 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1467 transitions. Word has length 104 [2024-11-22 22:33:25,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:25,465 INFO L471 AbstractCegarLoop]: Abstraction has 1023 states and 1467 transitions. [2024-11-22 22:33:25,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-22 22:33:25,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1467 transitions. [2024-11-22 22:33:25,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-22 22:33:25,467 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:25,467 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:25,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-22 22:33:25,668 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,SelfDestructingSolverStorable35 [2024-11-22 22:33:25,668 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:25,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:25,668 INFO L85 PathProgramCache]: Analyzing trace with hash 986709848, now seen corresponding path program 1 times [2024-11-22 22:33:25,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:25,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152564524] [2024-11-22 22:33:25,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:25,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:25,779 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:25,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:25,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152564524] [2024-11-22 22:33:25,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152564524] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:25,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340617375] [2024-11-22 22:33:25,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:25,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:25,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:25,782 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) [2024-11-22 22:33:25,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-22 22:33:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:25,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:33:25,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:25,970 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:25,971 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:26,070 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:26,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340617375] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:26,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:33:26,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-22 22:33:26,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422924580] [2024-11-22 22:33:26,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:26,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:33:26,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:26,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:33:26,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:33:26,072 INFO L87 Difference]: Start difference. First operand 1023 states and 1467 transitions. Second operand has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-22 22:33:26,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:26,539 INFO L93 Difference]: Finished difference Result 1568 states and 2255 transitions. [2024-11-22 22:33:26,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:33:26,539 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 105 [2024-11-22 22:33:26,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:26,544 INFO L225 Difference]: With dead ends: 1568 [2024-11-22 22:33:26,544 INFO L226 Difference]: Without dead ends: 1566 [2024-11-22 22:33:26,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:33:26,545 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 263 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:26,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 345 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:33:26,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1566 states. [2024-11-22 22:33:26,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1566 to 1298. [2024-11-22 22:33:26,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1298 states, 1134 states have (on average 1.4462081128747795) internal successors, (1640), 1170 states have internal predecessors, (1640), 125 states have call successors, (125), 2 states have call predecessors, (125), 2 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2024-11-22 22:33:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1890 transitions. [2024-11-22 22:33:26,619 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1890 transitions. Word has length 105 [2024-11-22 22:33:26,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:26,620 INFO L471 AbstractCegarLoop]: Abstraction has 1298 states and 1890 transitions. [2024-11-22 22:33:26,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-22 22:33:26,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1890 transitions. [2024-11-22 22:33:26,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-22 22:33:26,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:26,621 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:26,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:26,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:26,822 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:26,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:26,823 INFO L85 PathProgramCache]: Analyzing trace with hash -453257816, now seen corresponding path program 1 times [2024-11-22 22:33:26,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:26,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53443145] [2024-11-22 22:33:26,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:26,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:26,902 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:26,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:26,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53443145] [2024-11-22 22:33:26,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53443145] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:26,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724148854] [2024-11-22 22:33:26,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:26,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:26,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:26,906 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) [2024-11-22 22:33:26,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-22 22:33:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:26,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:33:26,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:27,185 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:27,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:27,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724148854] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:27,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:33:27,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-22 22:33:27,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959001626] [2024-11-22 22:33:27,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:27,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:33:27,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:27,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:33:27,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:33:27,305 INFO L87 Difference]: Start difference. First operand 1298 states and 1890 transitions. Second operand has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-22 22:33:27,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:27,858 INFO L93 Difference]: Finished difference Result 1840 states and 2687 transitions. [2024-11-22 22:33:27,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:33:27,858 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 107 [2024-11-22 22:33:27,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:27,865 INFO L225 Difference]: With dead ends: 1840 [2024-11-22 22:33:27,865 INFO L226 Difference]: Without dead ends: 1838 [2024-11-22 22:33:27,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:33:27,866 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 309 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:27,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 335 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:33:27,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2024-11-22 22:33:27,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1491. [2024-11-22 22:33:27,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1491 states, 1308 states have (on average 1.4418960244648318) internal successors, (1886), 1344 states have internal predecessors, (1886), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-22 22:33:27,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 2174 transitions. [2024-11-22 22:33:27,990 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 2174 transitions. Word has length 107 [2024-11-22 22:33:27,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:27,991 INFO L471 AbstractCegarLoop]: Abstraction has 1491 states and 2174 transitions. [2024-11-22 22:33:27,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-22 22:33:27,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2174 transitions. [2024-11-22 22:33:27,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-22 22:33:27,992 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:27,992 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:28,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-22 22:33:28,193 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,SelfDestructingSolverStorable37 [2024-11-22 22:33:28,193 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:28,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:28,193 INFO L85 PathProgramCache]: Analyzing trace with hash -577014670, now seen corresponding path program 1 times [2024-11-22 22:33:28,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:28,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552511290] [2024-11-22 22:33:28,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:28,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:28,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [359624729] [2024-11-22 22:33:28,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:28,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:28,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:28,216 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) [2024-11-22 22:33:28,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-22 22:33:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:28,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-22 22:33:28,268 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:28,540 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:28,540 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:28,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:28,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552511290] [2024-11-22 22:33:28,601 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:28,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359624729] [2024-11-22 22:33:28,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359624729] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:28,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:28,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-22 22:33:28,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90747930] [2024-11-22 22:33:28,601 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:28,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:33:28,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:28,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:33:28,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:33:28,602 INFO L87 Difference]: Start difference. First operand 1491 states and 2174 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-22 22:33:29,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:29,165 INFO L93 Difference]: Finished difference Result 1577 states and 2284 transitions. [2024-11-22 22:33:29,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:33:29,166 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 110 [2024-11-22 22:33:29,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:29,170 INFO L225 Difference]: With dead ends: 1577 [2024-11-22 22:33:29,170 INFO L226 Difference]: Without dead ends: 1573 [2024-11-22 22:33:29,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:33:29,171 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 152 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 837 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:29,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 303 Invalid, 837 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:33:29,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2024-11-22 22:33:29,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1487. [2024-11-22 22:33:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1487 states, 1308 states have (on average 1.3868501529051989) internal successors, (1814), 1340 states have internal predecessors, (1814), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-22 22:33:29,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1487 states and 2102 transitions. [2024-11-22 22:33:29,273 INFO L78 Accepts]: Start accepts. Automaton has 1487 states and 2102 transitions. Word has length 110 [2024-11-22 22:33:29,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:29,273 INFO L471 AbstractCegarLoop]: Abstraction has 1487 states and 2102 transitions. [2024-11-22 22:33:29,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-22 22:33:29,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 2102 transitions. [2024-11-22 22:33:29,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 22:33:29,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:29,274 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:29,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:29,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-22 22:33:29,474 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:29,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:29,475 INFO L85 PathProgramCache]: Analyzing trace with hash -707585535, now seen corresponding path program 1 times [2024-11-22 22:33:29,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:29,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230342341] [2024-11-22 22:33:29,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:29,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:29,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1687400037] [2024-11-22 22:33:29,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:29,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:29,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:29,490 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) [2024-11-22 22:33:29,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-22 22:33:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:29,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:33:29,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:29,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:29,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:29,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230342341] [2024-11-22 22:33:29,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:29,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687400037] [2024-11-22 22:33:29,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687400037] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:29,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:29,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-22 22:33:29,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565291663] [2024-11-22 22:33:29,882 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:29,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:33:29,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:29,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:33:29,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:33:29,883 INFO L87 Difference]: Start difference. First operand 1487 states and 2102 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-22 22:33:30,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:30,263 INFO L93 Difference]: Finished difference Result 1548 states and 2178 transitions. [2024-11-22 22:33:30,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:33:30,264 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 111 [2024-11-22 22:33:30,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:30,268 INFO L225 Difference]: With dead ends: 1548 [2024-11-22 22:33:30,268 INFO L226 Difference]: Without dead ends: 1546 [2024-11-22 22:33:30,269 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:33:30,269 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 95 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:30,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 193 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:33:30,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2024-11-22 22:33:30,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1503. [2024-11-22 22:33:30,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 1322 states have (on average 1.384266263237519) internal successors, (1830), 1354 states have internal predecessors, (1830), 146 states have call successors, (146), 2 states have call predecessors, (146), 2 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-22 22:33:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 2122 transitions. [2024-11-22 22:33:30,399 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 2122 transitions. Word has length 111 [2024-11-22 22:33:30,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:30,399 INFO L471 AbstractCegarLoop]: Abstraction has 1503 states and 2122 transitions. [2024-11-22 22:33:30,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-22 22:33:30,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 2122 transitions. [2024-11-22 22:33:30,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-22 22:33:30,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:30,400 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:30,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:30,603 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,SelfDestructingSolverStorable39 [2024-11-22 22:33:30,603 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:30,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:30,604 INFO L85 PathProgramCache]: Analyzing trace with hash -788010111, now seen corresponding path program 2 times [2024-11-22 22:33:30,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:30,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834443968] [2024-11-22 22:33:30,604 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:30,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:30,617 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:30,617 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:33:30,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2064812075] [2024-11-22 22:33:30,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:30,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:30,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:30,619 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) [2024-11-22 22:33:30,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-22 22:33:30,662 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:30,662 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:33:30,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:33:30,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:30,939 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:30,939 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:31,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:31,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834443968] [2024-11-22 22:33:31,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:31,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064812075] [2024-11-22 22:33:31,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064812075] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:31,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:31,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-22 22:33:31,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26834246] [2024-11-22 22:33:31,067 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:31,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:33:31,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:31,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:33:31,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:33:31,067 INFO L87 Difference]: Start difference. First operand 1503 states and 2122 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-22 22:33:31,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:31,487 INFO L93 Difference]: Finished difference Result 1561 states and 2193 transitions. [2024-11-22 22:33:31,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:33:31,487 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 111 [2024-11-22 22:33:31,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:31,491 INFO L225 Difference]: With dead ends: 1561 [2024-11-22 22:33:31,491 INFO L226 Difference]: Without dead ends: 1557 [2024-11-22 22:33:31,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:33:31,492 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 147 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:31,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 212 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:33:31,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2024-11-22 22:33:31,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 1511. [2024-11-22 22:33:31,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1329 states have (on average 1.3852520692249812) internal successors, (1841), 1361 states have internal predecessors, (1841), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-22 22:33:31,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 2135 transitions. [2024-11-22 22:33:31,579 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 2135 transitions. Word has length 111 [2024-11-22 22:33:31,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:31,579 INFO L471 AbstractCegarLoop]: Abstraction has 1511 states and 2135 transitions. [2024-11-22 22:33:31,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-22 22:33:31,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2135 transitions. [2024-11-22 22:33:31,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-22 22:33:31,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:31,580 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:31,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:31,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:31,785 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:31,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:31,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1384864669, now seen corresponding path program 1 times [2024-11-22 22:33:31,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:31,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538965398] [2024-11-22 22:33:31,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:31,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:31,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [461851385] [2024-11-22 22:33:31,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:31,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:31,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:31,807 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:31,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-22 22:33:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:31,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 22:33:31,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:32,315 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:32,315 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:32,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:32,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538965398] [2024-11-22 22:33:32,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:32,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461851385] [2024-11-22 22:33:32,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461851385] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:32,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:32,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-22 22:33:32,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851831074] [2024-11-22 22:33:32,501 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:32,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:33:32,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:32,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:33:32,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:33:32,502 INFO L87 Difference]: Start difference. First operand 1511 states and 2135 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-22 22:33:33,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:33,095 INFO L93 Difference]: Finished difference Result 1548 states and 2181 transitions. [2024-11-22 22:33:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:33:33,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 113 [2024-11-22 22:33:33,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:33,100 INFO L225 Difference]: With dead ends: 1548 [2024-11-22 22:33:33,100 INFO L226 Difference]: Without dead ends: 1546 [2024-11-22 22:33:33,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:33:33,100 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 89 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:33,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 285 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:33:33,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2024-11-22 22:33:33,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1511. [2024-11-22 22:33:33,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1329 states have (on average 1.3837471783295712) internal successors, (1839), 1361 states have internal predecessors, (1839), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-22 22:33:33,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 2133 transitions. [2024-11-22 22:33:33,202 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 2133 transitions. Word has length 113 [2024-11-22 22:33:33,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:33,202 INFO L471 AbstractCegarLoop]: Abstraction has 1511 states and 2133 transitions. [2024-11-22 22:33:33,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-22 22:33:33,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2133 transitions. [2024-11-22 22:33:33,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-22 22:33:33,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:33,203 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:33,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:33,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:33,408 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:33,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:33,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1363470877, now seen corresponding path program 2 times [2024-11-22 22:33:33,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:33,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051935941] [2024-11-22 22:33:33,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:33,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:33,418 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:33,418 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:33:33,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [270943119] [2024-11-22 22:33:33,419 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:33,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:33,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:33,421 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:33,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-22 22:33:33,462 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:33,462 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:33:33,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:33:33,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:33,794 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:33,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:33,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051935941] [2024-11-22 22:33:33,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:33,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270943119] [2024-11-22 22:33:33,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270943119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:33,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:33,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-22 22:33:33,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693292622] [2024-11-22 22:33:33,888 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:33,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:33:33,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:33,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:33:33,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:33:33,889 INFO L87 Difference]: Start difference. First operand 1511 states and 2133 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-22 22:33:34,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:34,260 INFO L93 Difference]: Finished difference Result 1546 states and 2173 transitions. [2024-11-22 22:33:34,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:33:34,261 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 113 [2024-11-22 22:33:34,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:34,264 INFO L225 Difference]: With dead ends: 1546 [2024-11-22 22:33:34,264 INFO L226 Difference]: Without dead ends: 1544 [2024-11-22 22:33:34,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:33:34,265 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 119 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:34,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 223 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:33:34,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states. [2024-11-22 22:33:34,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1511. [2024-11-22 22:33:34,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1511 states, 1329 states have (on average 1.382242287434161) internal successors, (1837), 1361 states have internal predecessors, (1837), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-22 22:33:34,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 2131 transitions. [2024-11-22 22:33:34,349 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 2131 transitions. Word has length 113 [2024-11-22 22:33:34,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:34,349 INFO L471 AbstractCegarLoop]: Abstraction has 1511 states and 2131 transitions. [2024-11-22 22:33:34,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-22 22:33:34,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2131 transitions. [2024-11-22 22:33:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-22 22:33:34,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:34,350 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:34,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:34,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-22 22:33:34,555 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:34,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:34,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1559185545, now seen corresponding path program 1 times [2024-11-22 22:33:34,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:34,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341531880] [2024-11-22 22:33:34,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:34,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:34,656 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-22 22:33:34,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:34,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341531880] [2024-11-22 22:33:34,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341531880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:34,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237999291] [2024-11-22 22:33:34,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:34,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:34,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:34,659 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:34,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-22 22:33:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:34,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:33:34,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:34,729 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-22 22:33:34,730 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:34,811 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-22 22:33:34,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237999291] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:34,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:33:34,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-11-22 22:33:34,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60236922] [2024-11-22 22:33:34,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:34,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:33:34,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:34,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:33:34,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:33:34,812 INFO L87 Difference]: Start difference. First operand 1511 states and 2131 transitions. Second operand has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-22 22:33:35,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:35,545 INFO L93 Difference]: Finished difference Result 1513 states and 2133 transitions. [2024-11-22 22:33:35,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:33:35,549 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) Word has length 115 [2024-11-22 22:33:35,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:35,559 INFO L225 Difference]: With dead ends: 1513 [2024-11-22 22:33:35,559 INFO L226 Difference]: Without dead ends: 1512 [2024-11-22 22:33:35,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:33:35,560 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 75 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:35,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 181 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:33:35,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1512 states. [2024-11-22 22:33:35,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1512 to 1510. [2024-11-22 22:33:35,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1329 states have (on average 1.3777276147479307) internal successors, (1831), 1360 states have internal predecessors, (1831), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-22 22:33:35,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2125 transitions. [2024-11-22 22:33:35,711 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2125 transitions. Word has length 115 [2024-11-22 22:33:35,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:35,711 INFO L471 AbstractCegarLoop]: Abstraction has 1510 states and 2125 transitions. [2024-11-22 22:33:35,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.555555555555555) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (14), 5 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-22 22:33:35,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2125 transitions. [2024-11-22 22:33:35,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-22 22:33:35,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:35,712 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:35,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-22 22:33:35,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-22 22:33:35,913 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:35,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:35,913 INFO L85 PathProgramCache]: Analyzing trace with hash 18868278, now seen corresponding path program 1 times [2024-11-22 22:33:35,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:35,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616120508] [2024-11-22 22:33:35,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:35,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:35,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [66216538] [2024-11-22 22:33:35,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:35,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:35,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:35,928 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:35,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-22 22:33:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:35,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:33:35,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:36,304 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:36,458 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-22 22:33:36,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:36,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616120508] [2024-11-22 22:33:36,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:36,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [66216538] [2024-11-22 22:33:36,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [66216538] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:36,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:36,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-22 22:33:36,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998036217] [2024-11-22 22:33:36,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:33:36,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:33:36,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:36,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:33:36,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:33:36,460 INFO L87 Difference]: Start difference. First operand 1510 states and 2125 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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) [2024-11-22 22:33:36,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:36,926 INFO L93 Difference]: Finished difference Result 1510 states and 2125 transitions. [2024-11-22 22:33:36,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:33:36,927 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 114 [2024-11-22 22:33:36,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:36,929 INFO L225 Difference]: With dead ends: 1510 [2024-11-22 22:33:36,929 INFO L226 Difference]: Without dead ends: 1509 [2024-11-22 22:33:36,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 217 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:33:36,930 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 84 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:36,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 135 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:33:36,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2024-11-22 22:33:37,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1509. [2024-11-22 22:33:37,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1329 states have (on average 1.3528969149736645) internal successors, (1798), 1359 states have internal predecessors, (1798), 147 states have call successors, (147), 2 states have call predecessors, (147), 2 states have return successors, (147), 147 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-22 22:33:37,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2092 transitions. [2024-11-22 22:33:37,084 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2092 transitions. Word has length 114 [2024-11-22 22:33:37,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:37,084 INFO L471 AbstractCegarLoop]: Abstraction has 1509 states and 2092 transitions. [2024-11-22 22:33:37,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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) [2024-11-22 22:33:37,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2092 transitions. [2024-11-22 22:33:37,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-22 22:33:37,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:37,085 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:37,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:37,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-22 22:33:37,286 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:37,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:37,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1090111494, now seen corresponding path program 1 times [2024-11-22 22:33:37,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:37,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715456568] [2024-11-22 22:33:37,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:37,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:37,345 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-22 22:33:37,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:37,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715456568] [2024-11-22 22:33:37,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715456568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:33:37,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:33:37,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:33:37,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446499494] [2024-11-22 22:33:37,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:33:37,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:33:37,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:37,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:33:37,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:33:37,347 INFO L87 Difference]: Start difference. First operand 1509 states and 2092 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-22 22:33:37,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:37,989 INFO L93 Difference]: Finished difference Result 1539 states and 2119 transitions. [2024-11-22 22:33:37,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:33:37,990 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 116 [2024-11-22 22:33:37,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:37,993 INFO L225 Difference]: With dead ends: 1539 [2024-11-22 22:33:37,993 INFO L226 Difference]: Without dead ends: 1538 [2024-11-22 22:33:37,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:33:37,997 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 180 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:37,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 200 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:33:37,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1538 states. [2024-11-22 22:33:38,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1538 to 1497. [2024-11-22 22:33:38,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1497 states, 1319 states have (on average 1.3510235026535253) internal successors, (1782), 1348 states have internal predecessors, (1782), 146 states have call successors, (146), 2 states have call predecessors, (146), 2 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-22 22:33:38,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1497 states and 2074 transitions. [2024-11-22 22:33:38,097 INFO L78 Accepts]: Start accepts. Automaton has 1497 states and 2074 transitions. Word has length 116 [2024-11-22 22:33:38,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:38,097 INFO L471 AbstractCegarLoop]: Abstraction has 1497 states and 2074 transitions. [2024-11-22 22:33:38,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-22 22:33:38,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2074 transitions. [2024-11-22 22:33:38,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-22 22:33:38,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:38,098 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:38,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-22 22:33:38,098 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:38,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:38,098 INFO L85 PathProgramCache]: Analyzing trace with hash 584916677, now seen corresponding path program 1 times [2024-11-22 22:33:38,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:38,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061935458] [2024-11-22 22:33:38,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:38,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:38,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:38,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480084144] [2024-11-22 22:33:38,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:38,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:38,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:38,111 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:38,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-22 22:33:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:38,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:33:38,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:38,471 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:38,472 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:38,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:38,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061935458] [2024-11-22 22:33:38,872 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:38,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480084144] [2024-11-22 22:33:38,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480084144] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:38,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:38,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:33:38,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516446351] [2024-11-22 22:33:38,872 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:38,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:33:38,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:38,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:33:38,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:33:38,873 INFO L87 Difference]: Start difference. First operand 1497 states and 2074 transitions. Second operand has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-22 22:33:39,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:39,504 INFO L93 Difference]: Finished difference Result 1581 states and 2179 transitions. [2024-11-22 22:33:39,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:33:39,505 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 115 [2024-11-22 22:33:39,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:39,507 INFO L225 Difference]: With dead ends: 1581 [2024-11-22 22:33:39,507 INFO L226 Difference]: Without dead ends: 1577 [2024-11-22 22:33:39,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:33:39,510 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 190 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:39,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 306 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:33:39,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1577 states. [2024-11-22 22:33:39,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1577 to 1514. [2024-11-22 22:33:39,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1514 states, 1334 states have (on average 1.3380809595202399) internal successors, (1785), 1363 states have internal predecessors, (1785), 148 states have call successors, (148), 2 states have call predecessors, (148), 2 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-22 22:33:39,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 2081 transitions. [2024-11-22 22:33:39,614 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 2081 transitions. Word has length 115 [2024-11-22 22:33:39,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:39,614 INFO L471 AbstractCegarLoop]: Abstraction has 1514 states and 2081 transitions. [2024-11-22 22:33:39,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.833333333333334) internal successors, (71), 7 states have internal predecessors, (71), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-22 22:33:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 2081 transitions. [2024-11-22 22:33:39,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-22 22:33:39,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:39,615 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:39,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:39,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-22 22:33:39,816 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:39,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:39,816 INFO L85 PathProgramCache]: Analyzing trace with hash -330485691, now seen corresponding path program 2 times [2024-11-22 22:33:39,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:39,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796079498] [2024-11-22 22:33:39,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:39,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:39,825 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:39,825 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:33:39,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600617296] [2024-11-22 22:33:39,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:39,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:39,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:39,831 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:39,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-22 22:33:39,874 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:39,875 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:33:39,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:33:39,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:40,207 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-22 22:33:40,207 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-22 22:33:40,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:40,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796079498] [2024-11-22 22:33:40,456 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:40,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600617296] [2024-11-22 22:33:40,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600617296] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:40,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:40,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-22 22:33:40,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282378510] [2024-11-22 22:33:40,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:33:40,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:33:40,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:40,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:33:40,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:33:40,457 INFO L87 Difference]: Start difference. First operand 1514 states and 2081 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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) [2024-11-22 22:33:41,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:41,551 INFO L93 Difference]: Finished difference Result 1514 states and 2081 transitions. [2024-11-22 22:33:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:33:41,552 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 115 [2024-11-22 22:33:41,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:41,555 INFO L225 Difference]: With dead ends: 1514 [2024-11-22 22:33:41,555 INFO L226 Difference]: Without dead ends: 1511 [2024-11-22 22:33:41,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:33:41,556 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 84 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:41,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 135 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-22 22:33:41,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2024-11-22 22:33:41,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1505. [2024-11-22 22:33:41,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1505 states, 1328 states have (on average 1.3215361445783131) internal successors, (1755), 1354 states have internal predecessors, (1755), 148 states have call successors, (148), 2 states have call predecessors, (148), 2 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-22 22:33:41,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1505 states and 2051 transitions. [2024-11-22 22:33:41,681 INFO L78 Accepts]: Start accepts. Automaton has 1505 states and 2051 transitions. Word has length 115 [2024-11-22 22:33:41,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:41,681 INFO L471 AbstractCegarLoop]: Abstraction has 1505 states and 2051 transitions. [2024-11-22 22:33:41,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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) [2024-11-22 22:33:41,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 2051 transitions. [2024-11-22 22:33:41,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-22 22:33:41,682 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:41,682 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:41,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:41,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:41,883 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:41,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:41,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1109822089, now seen corresponding path program 2 times [2024-11-22 22:33:41,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:41,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195293864] [2024-11-22 22:33:41,883 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:41,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:41,894 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:41,894 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:33:41,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [618372272] [2024-11-22 22:33:41,895 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:41,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:41,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:41,896 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:41,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-22 22:33:41,939 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:41,939 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:33:41,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:33:41,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-22 22:33:42,263 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:42,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:42,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195293864] [2024-11-22 22:33:42,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:42,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618372272] [2024-11-22 22:33:42,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618372272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:42,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:42,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-22 22:33:42,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563006885] [2024-11-22 22:33:42,335 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:42,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:33:42,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:42,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:33:42,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:33:42,336 INFO L87 Difference]: Start difference. First operand 1505 states and 2051 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-22 22:33:42,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:42,879 INFO L93 Difference]: Finished difference Result 1942 states and 2645 transitions. [2024-11-22 22:33:42,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:33:42,880 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 121 [2024-11-22 22:33:42,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:42,883 INFO L225 Difference]: With dead ends: 1942 [2024-11-22 22:33:42,883 INFO L226 Difference]: Without dead ends: 1940 [2024-11-22 22:33:42,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:33:42,884 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 449 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:42,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 340 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:33:42,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1940 states. [2024-11-22 22:33:43,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1940 to 1747. [2024-11-22 22:33:43,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1747 states, 1544 states have (on average 1.325777202072539) internal successors, (2047), 1570 states have internal predecessors, (2047), 174 states have call successors, (174), 2 states have call predecessors, (174), 2 states have return successors, (174), 174 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-22 22:33:43,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2395 transitions. [2024-11-22 22:33:43,010 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2395 transitions. Word has length 121 [2024-11-22 22:33:43,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:43,010 INFO L471 AbstractCegarLoop]: Abstraction has 1747 states and 2395 transitions. [2024-11-22 22:33:43,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-22 22:33:43,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2395 transitions. [2024-11-22 22:33:43,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-22 22:33:43,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:43,011 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:43,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:43,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-22 22:33:43,215 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:43,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:43,216 INFO L85 PathProgramCache]: Analyzing trace with hash 179546791, now seen corresponding path program 1 times [2024-11-22 22:33:43,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:43,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543071820] [2024-11-22 22:33:43,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:43,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:43,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1565415349] [2024-11-22 22:33:43,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:43,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:43,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:43,228 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:43,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-22 22:33:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:43,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:33:43,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:43,797 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-22 22:33:43,797 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:44,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:44,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543071820] [2024-11-22 22:33:44,033 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:44,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565415349] [2024-11-22 22:33:44,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565415349] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:44,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:44,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 22:33:44,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898954856] [2024-11-22 22:33:44,034 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:44,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:33:44,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:44,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:33:44,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:33:44,035 INFO L87 Difference]: Start difference. First operand 1747 states and 2395 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-22 22:33:45,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:45,209 INFO L93 Difference]: Finished difference Result 1859 states and 2535 transitions. [2024-11-22 22:33:45,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 22:33:45,210 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 124 [2024-11-22 22:33:45,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:45,213 INFO L225 Difference]: With dead ends: 1859 [2024-11-22 22:33:45,213 INFO L226 Difference]: Without dead ends: 1857 [2024-11-22 22:33:45,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:33:45,214 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 198 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 1709 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 1722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:45,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 630 Invalid, 1722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1709 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-22 22:33:45,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1857 states. [2024-11-22 22:33:45,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1857 to 1777. [2024-11-22 22:33:45,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1777 states, 1571 states have (on average 1.325270528325907) internal successors, (2082), 1597 states have internal predecessors, (2082), 177 states have call successors, (177), 2 states have call predecessors, (177), 2 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2024-11-22 22:33:45,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 2436 transitions. [2024-11-22 22:33:45,372 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 2436 transitions. Word has length 124 [2024-11-22 22:33:45,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:45,372 INFO L471 AbstractCegarLoop]: Abstraction has 1777 states and 2436 transitions. [2024-11-22 22:33:45,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-22 22:33:45,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2436 transitions. [2024-11-22 22:33:45,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-22 22:33:45,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:45,373 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:45,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-11-22 22:33:45,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-22 22:33:45,578 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:45,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:45,578 INFO L85 PathProgramCache]: Analyzing trace with hash 1270983295, now seen corresponding path program 1 times [2024-11-22 22:33:45,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:45,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088361554] [2024-11-22 22:33:45,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:45,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:45,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:45,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1070718976] [2024-11-22 22:33:45,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:45,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:45,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:45,593 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:45,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-22 22:33:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:45,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:33:45,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:45,959 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 24 proven. 26 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-22 22:33:45,959 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:45,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:45,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088361554] [2024-11-22 22:33:45,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:45,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070718976] [2024-11-22 22:33:45,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070718976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:45,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:45,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:33:45,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228142585] [2024-11-22 22:33:45,999 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:45,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:33:46,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:46,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:33:46,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:33:46,000 INFO L87 Difference]: Start difference. First operand 1777 states and 2436 transitions. Second operand has 9 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-22 22:33:47,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:47,048 INFO L93 Difference]: Finished difference Result 2028 states and 2775 transitions. [2024-11-22 22:33:47,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 22:33:47,052 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 125 [2024-11-22 22:33:47,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:47,055 INFO L225 Difference]: With dead ends: 2028 [2024-11-22 22:33:47,055 INFO L226 Difference]: Without dead ends: 2025 [2024-11-22 22:33:47,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=319, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:33:47,056 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 349 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 1003 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:47,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 418 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1003 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:33:47,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2025 states. [2024-11-22 22:33:47,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2025 to 1803. [2024-11-22 22:33:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1803 states, 1595 states have (on average 1.3172413793103448) internal successors, (2101), 1621 states have internal predecessors, (2101), 179 states have call successors, (179), 2 states have call predecessors, (179), 2 states have return successors, (179), 179 states have call predecessors, (179), 179 states have call successors, (179) [2024-11-22 22:33:47,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 1803 states and 2459 transitions. [2024-11-22 22:33:47,211 INFO L78 Accepts]: Start accepts. Automaton has 1803 states and 2459 transitions. Word has length 125 [2024-11-22 22:33:47,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:47,212 INFO L471 AbstractCegarLoop]: Abstraction has 1803 states and 2459 transitions. [2024-11-22 22:33:47,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.5) internal successors, (76), 9 states have internal predecessors, (76), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-22 22:33:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2459 transitions. [2024-11-22 22:33:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-22 22:33:47,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:47,213 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:47,221 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-22 22:33:47,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-11-22 22:33:47,414 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:47,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:47,414 INFO L85 PathProgramCache]: Analyzing trace with hash -1882420261, now seen corresponding path program 1 times [2024-11-22 22:33:47,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:47,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803752563] [2024-11-22 22:33:47,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:47,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:47,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1237515602] [2024-11-22 22:33:47,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:47,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:47,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:47,434 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:47,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-22 22:33:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:47,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-22 22:33:47,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:48,272 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-22 22:33:48,273 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:48,801 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 6 proven. 64 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-22 22:33:48,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:48,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803752563] [2024-11-22 22:33:48,802 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:48,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237515602] [2024-11-22 22:33:48,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237515602] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:33:48,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:33:48,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2024-11-22 22:33:48,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244333244] [2024-11-22 22:33:48,803 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:48,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-22 22:33:48,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:48,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-22 22:33:48,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:33:48,806 INFO L87 Difference]: Start difference. First operand 1803 states and 2459 transitions. Second operand has 18 states, 17 states have (on average 8.882352941176471) internal successors, (151), 16 states have internal predecessors, (151), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 10 states have call predecessors, (22), 9 states have call successors, (22) [2024-11-22 22:33:52,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:52,006 INFO L93 Difference]: Finished difference Result 2050 states and 2774 transitions. [2024-11-22 22:33:52,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-22 22:33:52,006 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.882352941176471) internal successors, (151), 16 states have internal predecessors, (151), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 10 states have call predecessors, (22), 9 states have call successors, (22) Word has length 126 [2024-11-22 22:33:52,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:52,009 INFO L225 Difference]: With dead ends: 2050 [2024-11-22 22:33:52,010 INFO L226 Difference]: Without dead ends: 2048 [2024-11-22 22:33:52,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=229, Invalid=583, Unknown=0, NotChecked=0, Total=812 [2024-11-22 22:33:52,014 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 1065 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1069 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 1806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:52,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1069 Valid, 566 Invalid, 1806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1689 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-22 22:33:52,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2024-11-22 22:33:52,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 1834. [2024-11-22 22:33:52,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1626 states have (on average 1.3019680196801968) internal successors, (2117), 1651 states have internal predecessors, (2117), 180 states have call successors, (180), 2 states have call predecessors, (180), 2 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) [2024-11-22 22:33:52,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 2477 transitions. [2024-11-22 22:33:52,160 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 2477 transitions. Word has length 126 [2024-11-22 22:33:52,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:52,160 INFO L471 AbstractCegarLoop]: Abstraction has 1834 states and 2477 transitions. [2024-11-22 22:33:52,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.882352941176471) internal successors, (151), 16 states have internal predecessors, (151), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (22), 10 states have call predecessors, (22), 9 states have call successors, (22) [2024-11-22 22:33:52,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2477 transitions. [2024-11-22 22:33:52,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-22 22:33:52,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:52,161 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:52,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:52,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:52,364 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:52,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:52,365 INFO L85 PathProgramCache]: Analyzing trace with hash 745776553, now seen corresponding path program 1 times [2024-11-22 22:33:52,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:52,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040172384] [2024-11-22 22:33:52,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:52,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:52,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [383406902] [2024-11-22 22:33:52,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:52,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:52,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:52,377 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:52,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-22 22:33:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:52,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:33:52,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-22 22:33:52,963 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:53,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:53,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040172384] [2024-11-22 22:33:53,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:53,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383406902] [2024-11-22 22:33:53,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383406902] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:53,062 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:53,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 22:33:53,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490071539] [2024-11-22 22:33:53,063 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:53,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:33:53,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:53,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:33:53,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:33:53,064 INFO L87 Difference]: Start difference. First operand 1834 states and 2477 transitions. Second operand has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-22 22:33:54,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:54,890 INFO L93 Difference]: Finished difference Result 2881 states and 3945 transitions. [2024-11-22 22:33:54,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-22 22:33:54,891 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 126 [2024-11-22 22:33:54,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:54,895 INFO L225 Difference]: With dead ends: 2881 [2024-11-22 22:33:54,895 INFO L226 Difference]: Without dead ends: 2877 [2024-11-22 22:33:54,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2024-11-22 22:33:54,897 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 714 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 1995 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 729 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:54,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [729 Valid, 548 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1995 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-22 22:33:54,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2877 states. [2024-11-22 22:33:55,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2877 to 2418. [2024-11-22 22:33:55,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2418 states, 2149 states have (on average 1.3173569101907865) internal successors, (2831), 2174 states have internal predecessors, (2831), 241 states have call successors, (241), 2 states have call predecessors, (241), 2 states have return successors, (241), 241 states have call predecessors, (241), 241 states have call successors, (241) [2024-11-22 22:33:55,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3313 transitions. [2024-11-22 22:33:55,101 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3313 transitions. Word has length 126 [2024-11-22 22:33:55,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:55,101 INFO L471 AbstractCegarLoop]: Abstraction has 2418 states and 3313 transitions. [2024-11-22 22:33:55,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.2727272727272725) internal successors, (80), 11 states have internal predecessors, (80), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-22 22:33:55,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3313 transitions. [2024-11-22 22:33:55,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-22 22:33:55,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:55,103 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:55,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:55,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:55,308 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:55,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:55,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1455191400, now seen corresponding path program 1 times [2024-11-22 22:33:55,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:55,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837949927] [2024-11-22 22:33:55,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:55,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:55,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111364323] [2024-11-22 22:33:55,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:55,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:55,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:55,320 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:55,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-22 22:33:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:55,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 22:33:55,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-22 22:33:55,877 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:55,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:55,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837949927] [2024-11-22 22:33:55,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:55,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111364323] [2024-11-22 22:33:55,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111364323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:55,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:55,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-22 22:33:55,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019945506] [2024-11-22 22:33:55,969 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:55,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:33:55,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:55,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:33:55,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:33:55,970 INFO L87 Difference]: Start difference. First operand 2418 states and 3313 transitions. Second operand has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-22 22:33:56,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:56,725 INFO L93 Difference]: Finished difference Result 2525 states and 3441 transitions. [2024-11-22 22:33:56,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:33:56,726 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 132 [2024-11-22 22:33:56,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:56,730 INFO L225 Difference]: With dead ends: 2525 [2024-11-22 22:33:56,730 INFO L226 Difference]: Without dead ends: 2523 [2024-11-22 22:33:56,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:33:56,731 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 236 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:56,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 524 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:33:56,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2024-11-22 22:33:56,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2472. [2024-11-22 22:33:56,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2472 states, 2197 states have (on average 1.3163404642694583) internal successors, (2892), 2222 states have internal predecessors, (2892), 247 states have call successors, (247), 2 states have call predecessors, (247), 2 states have return successors, (247), 247 states have call predecessors, (247), 247 states have call successors, (247) [2024-11-22 22:33:56,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2472 states to 2472 states and 3386 transitions. [2024-11-22 22:33:56,933 INFO L78 Accepts]: Start accepts. Automaton has 2472 states and 3386 transitions. Word has length 132 [2024-11-22 22:33:56,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:56,934 INFO L471 AbstractCegarLoop]: Abstraction has 2472 states and 3386 transitions. [2024-11-22 22:33:56,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-22 22:33:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 3386 transitions. [2024-11-22 22:33:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-22 22:33:56,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:56,934 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:56,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:57,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:57,139 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:57,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:57,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1489994570, now seen corresponding path program 2 times [2024-11-22 22:33:57,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:57,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639614393] [2024-11-22 22:33:57,139 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:57,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:57,148 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:57,148 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:33:57,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [11256046] [2024-11-22 22:33:57,148 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:33:57,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:57,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:57,150 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:57,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-22 22:33:57,189 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:33:57,190 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:33:57,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-22 22:33:57,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 6 proven. 68 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-22 22:33:57,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:33:57,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:33:57,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639614393] [2024-11-22 22:33:57,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:33:57,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11256046] [2024-11-22 22:33:57,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11256046] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:33:57,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:33:57,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-22 22:33:57,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234087832] [2024-11-22 22:33:57,819 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:33:57,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:33:57,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:33:57,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:33:57,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:33:57,819 INFO L87 Difference]: Start difference. First operand 2472 states and 3386 transitions. Second operand has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-22 22:33:58,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:33:58,813 INFO L93 Difference]: Finished difference Result 2690 states and 3666 transitions. [2024-11-22 22:33:58,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 22:33:58,814 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 132 [2024-11-22 22:33:58,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:33:58,822 INFO L225 Difference]: With dead ends: 2690 [2024-11-22 22:33:58,822 INFO L226 Difference]: Without dead ends: 2688 [2024-11-22 22:33:58,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2024-11-22 22:33:58,823 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 232 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:33:58,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 503 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1426 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:33:58,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2688 states. [2024-11-22 22:33:59,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2688 to 2602. [2024-11-22 22:33:59,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2602 states, 2314 states have (on average 1.315038893690579) internal successors, (3043), 2339 states have internal predecessors, (3043), 260 states have call successors, (260), 2 states have call predecessors, (260), 2 states have return successors, (260), 260 states have call predecessors, (260), 260 states have call successors, (260) [2024-11-22 22:33:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 2602 states and 3563 transitions. [2024-11-22 22:33:59,037 INFO L78 Accepts]: Start accepts. Automaton has 2602 states and 3563 transitions. Word has length 132 [2024-11-22 22:33:59,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:33:59,038 INFO L471 AbstractCegarLoop]: Abstraction has 2602 states and 3563 transitions. [2024-11-22 22:33:59,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-22 22:33:59,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 3563 transitions. [2024-11-22 22:33:59,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-22 22:33:59,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:33:59,039 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:33:59,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-11-22 22:33:59,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-11-22 22:33:59,240 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:33:59,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:33:59,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1792811897, now seen corresponding path program 1 times [2024-11-22 22:33:59,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:33:59,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349633722] [2024-11-22 22:33:59,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:59,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:33:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:33:59,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [76979762] [2024-11-22 22:33:59,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:33:59,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:33:59,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:33:59,253 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:33:59,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-22 22:33:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:33:59,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 22:33:59,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:33:59,793 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 3 proven. 68 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-11-22 22:33:59,793 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:34:00,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:34:00,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349633722] [2024-11-22 22:34:00,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:34:00,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76979762] [2024-11-22 22:34:00,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76979762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:34:00,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:34:00,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-22 22:34:00,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204139595] [2024-11-22 22:34:00,055 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:34:00,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:34:00,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:34:00,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:34:00,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:34:00,056 INFO L87 Difference]: Start difference. First operand 2602 states and 3563 transitions. Second operand has 11 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-22 22:34:00,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:34:00,680 INFO L93 Difference]: Finished difference Result 2657 states and 3620 transitions. [2024-11-22 22:34:00,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:34:00,681 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 135 [2024-11-22 22:34:00,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:34:00,685 INFO L225 Difference]: With dead ends: 2657 [2024-11-22 22:34:00,685 INFO L226 Difference]: Without dead ends: 2655 [2024-11-22 22:34:00,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:34:00,686 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 225 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:34:00,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 549 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:34:00,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2655 states. [2024-11-22 22:34:00,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2655 to 2570. [2024-11-22 22:34:00,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2570 states, 2286 states have (on average 1.31583552055993) internal successors, (3008), 2311 states have internal predecessors, (3008), 256 states have call successors, (256), 2 states have call predecessors, (256), 2 states have return successors, (256), 256 states have call predecessors, (256), 256 states have call successors, (256) [2024-11-22 22:34:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2570 states and 3520 transitions. [2024-11-22 22:34:00,917 INFO L78 Accepts]: Start accepts. Automaton has 2570 states and 3520 transitions. Word has length 135 [2024-11-22 22:34:00,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:34:00,917 INFO L471 AbstractCegarLoop]: Abstraction has 2570 states and 3520 transitions. [2024-11-22 22:34:00,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-22 22:34:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 3520 transitions. [2024-11-22 22:34:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-22 22:34:00,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:34:00,918 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:34:00,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2024-11-22 22:34:01,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-11-22 22:34:01,123 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:34:01,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:34:01,123 INFO L85 PathProgramCache]: Analyzing trace with hash 257406124, now seen corresponding path program 1 times [2024-11-22 22:34:01,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:34:01,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386146580] [2024-11-22 22:34:01,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:34:01,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:34:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:34:01,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1773845090] [2024-11-22 22:34:01,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:34:01,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:34:01,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:34:01,146 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:34:01,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-22 22:34:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:34:01,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-22 22:34:01,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:34:01,611 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 24 proven. 40 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-22 22:34:01,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:34:01,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:34:01,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386146580] [2024-11-22 22:34:01,653 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:34:01,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773845090] [2024-11-22 22:34:01,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773845090] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:34:01,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:34:01,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-22 22:34:01,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160161523] [2024-11-22 22:34:01,653 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:34:01,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:34:01,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:34:01,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:34:01,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:34:01,654 INFO L87 Difference]: Start difference. First operand 2570 states and 3520 transitions. Second operand has 9 states, 8 states have (on average 10.25) internal successors, (82), 9 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-22 22:34:02,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:34:02,717 INFO L93 Difference]: Finished difference Result 2729 states and 3700 transitions. [2024-11-22 22:34:02,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 22:34:02,719 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.25) internal successors, (82), 9 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 136 [2024-11-22 22:34:02,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:34:02,722 INFO L225 Difference]: With dead ends: 2729 [2024-11-22 22:34:02,722 INFO L226 Difference]: Without dead ends: 2725 [2024-11-22 22:34:02,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:34:02,727 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 226 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:34:02,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 507 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:34:02,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2725 states. [2024-11-22 22:34:02,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2725 to 2643. [2024-11-22 22:34:02,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2643 states, 2351 states have (on average 1.3002977456401532) internal successors, (3057), 2376 states have internal predecessors, (3057), 264 states have call successors, (264), 2 states have call predecessors, (264), 2 states have return successors, (264), 264 states have call predecessors, (264), 264 states have call successors, (264) [2024-11-22 22:34:03,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2643 states and 3585 transitions. [2024-11-22 22:34:03,003 INFO L78 Accepts]: Start accepts. Automaton has 2643 states and 3585 transitions. Word has length 136 [2024-11-22 22:34:03,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:34:03,004 INFO L471 AbstractCegarLoop]: Abstraction has 2643 states and 3585 transitions. [2024-11-22 22:34:03,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.25) internal successors, (82), 9 states have internal predecessors, (82), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-22 22:34:03,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 3585 transitions. [2024-11-22 22:34:03,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-22 22:34:03,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:34:03,005 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:34:03,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2024-11-22 22:34:03,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-11-22 22:34:03,205 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:34:03,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:34:03,206 INFO L85 PathProgramCache]: Analyzing trace with hash 79341653, now seen corresponding path program 1 times [2024-11-22 22:34:03,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:34:03,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115518509] [2024-11-22 22:34:03,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:34:03,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:34:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:34:03,349 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 28 proven. 18 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-22 22:34:03,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:34:03,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115518509] [2024-11-22 22:34:03,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115518509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:34:03,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489195540] [2024-11-22 22:34:03,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:34:03,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:34:03,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:34:03,352 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:34:03,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-22 22:34:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:34:03,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:34:03,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:34:03,684 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-22 22:34:03,684 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:34:03,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489195540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:34:03,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:34:03,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-22 22:34:03,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469735929] [2024-11-22 22:34:03,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:34:03,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:34:03,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:34:03,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:34:03,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:34:03,686 INFO L87 Difference]: Start difference. First operand 2643 states and 3585 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-22 22:34:04,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:34:04,069 INFO L93 Difference]: Finished difference Result 2673 states and 3618 transitions. [2024-11-22 22:34:04,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:34:04,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 141 [2024-11-22 22:34:04,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:34:04,073 INFO L225 Difference]: With dead ends: 2673 [2024-11-22 22:34:04,073 INFO L226 Difference]: Without dead ends: 2672 [2024-11-22 22:34:04,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:34:04,074 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 3 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:34:04,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 131 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:34:04,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2672 states. [2024-11-22 22:34:04,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2672 to 2663. [2024-11-22 22:34:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2369 states have (on average 1.2980160405234276) internal successors, (3075), 2394 states have internal predecessors, (3075), 266 states have call successors, (266), 2 states have call predecessors, (266), 2 states have return successors, (266), 266 states have call predecessors, (266), 266 states have call successors, (266) [2024-11-22 22:34:04,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3607 transitions. [2024-11-22 22:34:04,302 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3607 transitions. Word has length 141 [2024-11-22 22:34:04,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:34:04,302 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3607 transitions. [2024-11-22 22:34:04,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-22 22:34:04,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3607 transitions. [2024-11-22 22:34:04,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-22 22:34:04,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:34:04,304 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:34:04,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2024-11-22 22:34:04,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-11-22 22:34:04,508 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:34:04,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:34:04,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1732180167, now seen corresponding path program 1 times [2024-11-22 22:34:04,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:34:04,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8585975] [2024-11-22 22:34:04,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:34:04,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:34:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:34:04,597 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-22 22:34:04,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:34:04,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8585975] [2024-11-22 22:34:04,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8585975] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:34:04,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342305546] [2024-11-22 22:34:04,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:34:04,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:34:04,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:34:04,603 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:34:04,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-11-22 22:34:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:34:04,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:34:04,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:34:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-22 22:34:04,688 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:34:04,776 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-11-22 22:34:04,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342305546] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:34:04,777 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:34:04,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-22 22:34:04,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743940697] [2024-11-22 22:34:04,777 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:34:04,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:34:04,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:34:04,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:34:04,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:34:04,778 INFO L87 Difference]: Start difference. First operand 2663 states and 3607 transitions. Second operand has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-22 22:34:05,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:34:05,340 INFO L93 Difference]: Finished difference Result 2665 states and 3609 transitions. [2024-11-22 22:34:05,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:34:05,340 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 141 [2024-11-22 22:34:05,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:34:05,343 INFO L225 Difference]: With dead ends: 2665 [2024-11-22 22:34:05,344 INFO L226 Difference]: Without dead ends: 2606 [2024-11-22 22:34:05,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:34:05,345 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 31 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:34:05,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 103 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:34:05,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2606 states. [2024-11-22 22:34:05,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2606 to 2571. [2024-11-22 22:34:05,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2571 states, 2288 states have (on average 1.3028846153846154) internal successors, (2981), 2311 states have internal predecessors, (2981), 257 states have call successors, (257), 2 states have call predecessors, (257), 2 states have return successors, (257), 257 states have call predecessors, (257), 257 states have call successors, (257) [2024-11-22 22:34:05,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 3495 transitions. [2024-11-22 22:34:05,575 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 3495 transitions. Word has length 141 [2024-11-22 22:34:05,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:34:05,575 INFO L471 AbstractCegarLoop]: Abstraction has 2571 states and 3495 transitions. [2024-11-22 22:34:05,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-22 22:34:05,575 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 3495 transitions. [2024-11-22 22:34:05,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-22 22:34:05,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:34:05,576 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:34:05,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2024-11-22 22:34:05,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-22 22:34:05,777 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:34:05,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:34:05,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1463842670, now seen corresponding path program 1 times [2024-11-22 22:34:05,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:34:05,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795522133] [2024-11-22 22:34:05,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:34:05,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:34:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:34:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-22 22:34:05,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:34:05,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795522133] [2024-11-22 22:34:05,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795522133] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:34:05,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012180676] [2024-11-22 22:34:05,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:34:05,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:34:05,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:34:05,854 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:34:05,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-11-22 22:34:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:34:05,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:34:05,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:34:06,106 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-22 22:34:06,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:34:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-22 22:34:06,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012180676] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:34:06,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:34:06,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-22 22:34:06,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243723350] [2024-11-22 22:34:06,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:34:06,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:34:06,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:34:06,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:34:06,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:34:06,252 INFO L87 Difference]: Start difference. First operand 2571 states and 3495 transitions. Second operand has 11 states, 10 states have (on average 24.9) internal successors, (249), 11 states have internal predecessors, (249), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-22 22:34:06,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:34:06,943 INFO L93 Difference]: Finished difference Result 3549 states and 4759 transitions. [2024-11-22 22:34:06,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:34:06,944 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 24.9) internal successors, (249), 11 states have internal predecessors, (249), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) Word has length 148 [2024-11-22 22:34:06,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:34:06,949 INFO L225 Difference]: With dead ends: 3549 [2024-11-22 22:34:06,950 INFO L226 Difference]: Without dead ends: 3547 [2024-11-22 22:34:06,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=103, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:34:06,955 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 461 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:34:06,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 466 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:34:06,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3547 states. [2024-11-22 22:34:07,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3547 to 3062. [2024-11-22 22:34:07,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 2736 states have (on average 1.3011695906432748) internal successors, (3560), 2759 states have internal predecessors, (3560), 300 states have call successors, (300), 2 states have call predecessors, (300), 2 states have return successors, (300), 300 states have call predecessors, (300), 300 states have call successors, (300) [2024-11-22 22:34:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 4160 transitions. [2024-11-22 22:34:07,256 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 4160 transitions. Word has length 148 [2024-11-22 22:34:07,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:34:07,256 INFO L471 AbstractCegarLoop]: Abstraction has 3062 states and 4160 transitions. [2024-11-22 22:34:07,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 24.9) internal successors, (249), 11 states have internal predecessors, (249), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-22 22:34:07,256 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 4160 transitions. [2024-11-22 22:34:07,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-22 22:34:07,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:34:07,257 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:34:07,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2024-11-22 22:34:07,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-11-22 22:34:07,457 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:34:07,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:34:07,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1740815376, now seen corresponding path program 1 times [2024-11-22 22:34:07,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:34:07,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299129776] [2024-11-22 22:34:07,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:34:07,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:34:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:34:07,629 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-22 22:34:07,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:34:07,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299129776] [2024-11-22 22:34:07,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299129776] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:34:07,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048867020] [2024-11-22 22:34:07,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:34:07,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:34:07,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:34:07,630 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:34:07,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-11-22 22:34:07,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:34:07,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:34:07,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:34:07,860 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-22 22:34:07,860 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:34:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-22 22:34:07,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048867020] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:34:07,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:34:07,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-22 22:34:07,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786937302] [2024-11-22 22:34:07,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:34:07,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:34:07,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:34:07,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:34:07,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:34:07,985 INFO L87 Difference]: Start difference. First operand 3062 states and 4160 transitions. Second operand has 11 states, 10 states have (on average 25.5) internal successors, (255), 11 states have internal predecessors, (255), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-22 22:34:08,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:34:08,787 INFO L93 Difference]: Finished difference Result 4117 states and 5534 transitions. [2024-11-22 22:34:08,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:34:08,788 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.5) internal successors, (255), 11 states have internal predecessors, (255), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) Word has length 150 [2024-11-22 22:34:08,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:34:08,792 INFO L225 Difference]: With dead ends: 4117 [2024-11-22 22:34:08,793 INFO L226 Difference]: Without dead ends: 4115 [2024-11-22 22:34:08,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:34:08,794 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 443 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:34:08,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 469 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:34:08,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4115 states. [2024-11-22 22:34:09,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4115 to 3568. [2024-11-22 22:34:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3568 states, 3198 states have (on average 1.2976860537836148) internal successors, (4150), 3221 states have internal predecessors, (4150), 344 states have call successors, (344), 2 states have call predecessors, (344), 2 states have return successors, (344), 344 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-22 22:34:09,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3568 states to 3568 states and 4838 transitions. [2024-11-22 22:34:09,103 INFO L78 Accepts]: Start accepts. Automaton has 3568 states and 4838 transitions. Word has length 150 [2024-11-22 22:34:09,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:34:09,104 INFO L471 AbstractCegarLoop]: Abstraction has 3568 states and 4838 transitions. [2024-11-22 22:34:09,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.5) internal successors, (255), 11 states have internal predecessors, (255), 10 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-11-22 22:34:09,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3568 states and 4838 transitions. [2024-11-22 22:34:09,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-22 22:34:09,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:34:09,105 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:34:09,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2024-11-22 22:34:09,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,56 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:34:09,306 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:34:09,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:34:09,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1099279521, now seen corresponding path program 3 times [2024-11-22 22:34:09,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:34:09,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960358623] [2024-11-22 22:34:09,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:34:09,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:34:09,325 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-22 22:34:09,326 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:34:09,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [899259370] [2024-11-22 22:34:09,326 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:34:09,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:34:09,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:34:09,329 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:34:09,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-11-22 22:34:09,373 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-22 22:34:09,373 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:34:09,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:34:09,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:34:09,769 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-22 22:34:09,769 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:34:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-22 22:34:10,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:34:10,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960358623] [2024-11-22 22:34:10,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:34:10,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899259370] [2024-11-22 22:34:10,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899259370] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:34:10,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:34:10,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2024-11-22 22:34:10,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560552500] [2024-11-22 22:34:10,298 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:34:10,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:34:10,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:34:10,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:34:10,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:34:10,299 INFO L87 Difference]: Start difference. First operand 3568 states and 4838 transitions. Second operand has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-22 22:34:14,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:34:14,406 INFO L93 Difference]: Finished difference Result 3672 states and 4956 transitions. [2024-11-22 22:34:14,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 22:34:14,407 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 153 [2024-11-22 22:34:14,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:34:14,411 INFO L225 Difference]: With dead ends: 3672 [2024-11-22 22:34:14,411 INFO L226 Difference]: Without dead ends: 3670 [2024-11-22 22:34:14,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2024-11-22 22:34:14,412 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 457 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:34:14,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 656 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1379 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-22 22:34:14,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3670 states. [2024-11-22 22:34:14,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3670 to 3539. [2024-11-22 22:34:14,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3539 states, 3176 states have (on average 1.2959697732997482) internal successors, (4116), 3198 states have internal predecessors, (4116), 338 states have call successors, (338), 2 states have call predecessors, (338), 2 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2024-11-22 22:34:14,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 3539 states and 4792 transitions. [2024-11-22 22:34:14,731 INFO L78 Accepts]: Start accepts. Automaton has 3539 states and 4792 transitions. Word has length 153 [2024-11-22 22:34:14,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:34:14,731 INFO L471 AbstractCegarLoop]: Abstraction has 3539 states and 4792 transitions. [2024-11-22 22:34:14,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.916666666666666) internal successors, (179), 13 states have internal predecessors, (179), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2024-11-22 22:34:14,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3539 states and 4792 transitions. [2024-11-22 22:34:14,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-22 22:34:14,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:34:14,734 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:34:14,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2024-11-22 22:34:14,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,57 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:34:14,939 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:34:14,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:34:14,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1018854945, now seen corresponding path program 4 times [2024-11-22 22:34:14,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:34:14,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397052792] [2024-11-22 22:34:14,939 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:34:14,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:34:14,974 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:34:14,975 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:34:14,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1742637738] [2024-11-22 22:34:14,975 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:34:14,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:34:14,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:34:14,977 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:34:14,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-11-22 22:34:15,031 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:34:15,031 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:34:15,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:34:15,037 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:34:15,402 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-22 22:34:15,402 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:34:15,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:34:15,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397052792] [2024-11-22 22:34:15,526 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:34:15,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742637738] [2024-11-22 22:34:15,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742637738] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:34:15,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:34:15,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:34:15,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139178308] [2024-11-22 22:34:15,527 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:34:15,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:34:15,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:34:15,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:34:15,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:34:15,527 INFO L87 Difference]: Start difference. First operand 3539 states and 4792 transitions. Second operand has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 22:34:16,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:34:16,173 INFO L93 Difference]: Finished difference Result 3584 states and 4840 transitions. [2024-11-22 22:34:16,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:34:16,174 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 153 [2024-11-22 22:34:16,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:34:16,177 INFO L225 Difference]: With dead ends: 3584 [2024-11-22 22:34:16,178 INFO L226 Difference]: Without dead ends: 3583 [2024-11-22 22:34:16,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:34:16,178 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 82 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:34:16,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 405 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:34:16,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3583 states. [2024-11-22 22:34:16,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3583 to 3539. [2024-11-22 22:34:16,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3539 states, 3176 states have (on average 1.295654911838791) internal successors, (4115), 3198 states have internal predecessors, (4115), 338 states have call successors, (338), 2 states have call predecessors, (338), 2 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2024-11-22 22:34:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 3539 states and 4791 transitions. [2024-11-22 22:34:16,522 INFO L78 Accepts]: Start accepts. Automaton has 3539 states and 4791 transitions. Word has length 153 [2024-11-22 22:34:16,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:34:16,523 INFO L471 AbstractCegarLoop]: Abstraction has 3539 states and 4791 transitions. [2024-11-22 22:34:16,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 22:34:16,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3539 states and 4791 transitions. [2024-11-22 22:34:16,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-22 22:34:16,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:34:16,524 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:34:16,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Forceful destruction successful, exit code 0 [2024-11-22 22:34:16,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,58 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:34:16,724 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:34:16,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:34:16,725 INFO L85 PathProgramCache]: Analyzing trace with hash 51474337, now seen corresponding path program 5 times [2024-11-22 22:34:16,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:34:16,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656653581] [2024-11-22 22:34:16,725 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-22 22:34:16,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:34:16,741 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-22 22:34:16,742 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:34:16,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003752298] [2024-11-22 22:34:16,742 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-22 22:34:16,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:34:16,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:34:16,745 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:34:16,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-11-22 22:34:16,817 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-22 22:34:16,817 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:34:16,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:34:16,821 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:34:17,198 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-22 22:34:17,198 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:34:17,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:34:17,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656653581] [2024-11-22 22:34:17,307 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:34:17,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003752298] [2024-11-22 22:34:17,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003752298] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:34:17,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:34:17,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:34:17,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046294627] [2024-11-22 22:34:17,307 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:34:17,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:34:17,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:34:17,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:34:17,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:34:17,308 INFO L87 Difference]: Start difference. First operand 3539 states and 4791 transitions. Second operand has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 22:34:17,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:34:17,839 INFO L93 Difference]: Finished difference Result 3582 states and 4838 transitions. [2024-11-22 22:34:17,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:34:17,840 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 153 [2024-11-22 22:34:17,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:34:17,844 INFO L225 Difference]: With dead ends: 3582 [2024-11-22 22:34:17,844 INFO L226 Difference]: Without dead ends: 3581 [2024-11-22 22:34:17,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:34:17,845 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 145 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:34:17,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 294 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:34:17,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3581 states. [2024-11-22 22:34:18,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3581 to 3539. [2024-11-22 22:34:18,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3539 states, 3176 states have (on average 1.2953400503778338) internal successors, (4114), 3198 states have internal predecessors, (4114), 338 states have call successors, (338), 2 states have call predecessors, (338), 2 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2024-11-22 22:34:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 3539 states and 4790 transitions. [2024-11-22 22:34:18,147 INFO L78 Accepts]: Start accepts. Automaton has 3539 states and 4790 transitions. Word has length 153 [2024-11-22 22:34:18,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:34:18,147 INFO L471 AbstractCegarLoop]: Abstraction has 3539 states and 4790 transitions. [2024-11-22 22:34:18,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 22:34:18,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3539 states and 4790 transitions. [2024-11-22 22:34:18,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-22 22:34:18,148 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:34:18,148 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:34:18,154 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2024-11-22 22:34:18,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2024-11-22 22:34:18,349 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:34:18,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:34:18,349 INFO L85 PathProgramCache]: Analyzing trace with hash 644538899, now seen corresponding path program 6 times [2024-11-22 22:34:18,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:34:18,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679672724] [2024-11-22 22:34:18,350 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-22 22:34:18,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:34:18,362 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-22 22:34:18,362 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-22 22:34:18,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [932248709] [2024-11-22 22:34:18,363 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-22 22:34:18,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:34:18,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:34:18,365 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:34:18,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-11-22 22:34:18,426 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-22 22:34:18,426 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:34:18,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:34:18,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:34:18,831 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-22 22:34:18,831 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:34:18,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:34:18,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679672724] [2024-11-22 22:34:18,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:34:18,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932248709] [2024-11-22 22:34:18,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932248709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:34:18,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:34:18,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-22 22:34:18,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278410175] [2024-11-22 22:34:18,958 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:34:18,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:34:18,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:34:18,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:34:18,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:34:18,959 INFO L87 Difference]: Start difference. First operand 3539 states and 4790 transitions. Second operand has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 22:34:19,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:34:19,639 INFO L93 Difference]: Finished difference Result 3589 states and 4845 transitions. [2024-11-22 22:34:19,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:34:19,639 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 153 [2024-11-22 22:34:19,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:34:19,644 INFO L225 Difference]: With dead ends: 3589 [2024-11-22 22:34:19,644 INFO L226 Difference]: Without dead ends: 3588 [2024-11-22 22:34:19,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:34:19,645 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 85 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:34:19,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 341 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:34:19,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3588 states. [2024-11-22 22:34:20,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3588 to 3539. [2024-11-22 22:34:20,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3539 states, 3176 states have (on average 1.2950251889168767) internal successors, (4113), 3198 states have internal predecessors, (4113), 338 states have call successors, (338), 2 states have call predecessors, (338), 2 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2024-11-22 22:34:20,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 3539 states and 4789 transitions. [2024-11-22 22:34:20,029 INFO L78 Accepts]: Start accepts. Automaton has 3539 states and 4789 transitions. Word has length 153 [2024-11-22 22:34:20,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:34:20,029 INFO L471 AbstractCegarLoop]: Abstraction has 3539 states and 4789 transitions. [2024-11-22 22:34:20,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-22 22:34:20,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3539 states and 4789 transitions. [2024-11-22 22:34:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-22 22:34:20,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:34:20,031 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:34:20,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2024-11-22 22:34:20,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2024-11-22 22:34:20,231 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-22 22:34:20,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:34:20,232 INFO L85 PathProgramCache]: Analyzing trace with hash 564114323, now seen corresponding path program 7 times [2024-11-22 22:34:20,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:34:20,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864259039] [2024-11-22 22:34:20,232 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-22 22:34:20,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:34:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:34:20,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [266815776] [2024-11-22 22:34:20,251 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-22 22:34:20,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:34:20,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:34:20,253 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:34:20,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-11-22 22:34:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:34:20,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:34:20,326 INFO L278 TraceCheckSpWp]: Computing forward predicates...