./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohendiv-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohendiv-ll.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 601ddeb38cc85433f6271611bfd2617c2fcbf2b89119dbe2c319aedc14aa3b17 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 13:16:09,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 13:16:09,194 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 13:16:09,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 13:16:09,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 13:16:09,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 13:16:09,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 13:16:09,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 13:16:09,224 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 13:16:09,225 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 13:16:09,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 13:16:09,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 13:16:09,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 13:16:09,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 13:16:09,229 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 13:16:09,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 13:16:09,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 13:16:09,230 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 13:16:09,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 13:16:09,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 13:16:09,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 13:16:09,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 13:16:09,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 13:16:09,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 13:16:09,233 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 13:16:09,233 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 13:16:09,233 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 13:16:09,233 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 13:16:09,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 13:16:09,234 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 13:16:09,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 13:16:09,234 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 13:16:09,234 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 13:16:09,234 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 13:16:09,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:16:09,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 13:16:09,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 13:16:09,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 13:16:09,236 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 13:16:09,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 13:16:09,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 13:16:09,237 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 13:16:09,237 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 13:16:09,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 13:16:09,238 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 601ddeb38cc85433f6271611bfd2617c2fcbf2b89119dbe2c319aedc14aa3b17 [2024-10-13 13:16:09,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 13:16:09,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 13:16:09,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 13:16:09,456 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 13:16:09,456 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 13:16:09,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2024-10-13 13:16:10,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 13:16:10,831 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 13:16:10,832 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2024-10-13 13:16:10,842 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63a077df5/4b607cb3c3114e118e58d921c6e9fc77/FLAGd6f4ed3f8 [2024-10-13 13:16:11,234 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63a077df5/4b607cb3c3114e118e58d921c6e9fc77 [2024-10-13 13:16:11,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 13:16:11,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 13:16:11,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 13:16:11,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 13:16:11,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 13:16:11,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:16:11" (1/1) ... [2024-10-13 13:16:11,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406038d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11, skipping insertion in model container [2024-10-13 13:16:11,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:16:11" (1/1) ... [2024-10-13 13:16:11,265 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 13:16:11,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:16:11,421 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 13:16:11,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 13:16:11,447 INFO L204 MainTranslator]: Completed translation [2024-10-13 13:16:11,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11 WrapperNode [2024-10-13 13:16:11,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 13:16:11,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 13:16:11,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 13:16:11,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 13:16:11,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11" (1/1) ... [2024-10-13 13:16:11,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11" (1/1) ... [2024-10-13 13:16:11,480 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2024-10-13 13:16:11,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 13:16:11,481 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 13:16:11,481 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 13:16:11,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 13:16:11,490 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11" (1/1) ... [2024-10-13 13:16:11,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11" (1/1) ... [2024-10-13 13:16:11,492 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11" (1/1) ... [2024-10-13 13:16:11,501 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 13:16:11,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11" (1/1) ... [2024-10-13 13:16:11,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11" (1/1) ... [2024-10-13 13:16:11,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11" (1/1) ... [2024-10-13 13:16:11,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11" (1/1) ... [2024-10-13 13:16:11,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11" (1/1) ... [2024-10-13 13:16:11,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11" (1/1) ... [2024-10-13 13:16:11,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 13:16:11,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 13:16:11,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 13:16:11,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 13:16:11,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11" (1/1) ... [2024-10-13 13:16:11,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 13:16:11,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:11,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 13:16:11,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 13:16:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 13:16:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 13:16:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 13:16:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 13:16:11,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 13:16:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 13:16:11,674 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 13:16:11,676 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 13:16:11,975 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-10-13 13:16:11,976 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 13:16:11,999 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 13:16:11,999 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 13:16:11,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:16:11 BoogieIcfgContainer [2024-10-13 13:16:11,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 13:16:12,001 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 13:16:12,001 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 13:16:12,004 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 13:16:12,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 01:16:11" (1/3) ... [2024-10-13 13:16:12,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a54b354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:16:12, skipping insertion in model container [2024-10-13 13:16:12,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:16:11" (2/3) ... [2024-10-13 13:16:12,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a54b354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 01:16:12, skipping insertion in model container [2024-10-13 13:16:12,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:16:11" (3/3) ... [2024-10-13 13:16:12,008 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll.c [2024-10-13 13:16:12,021 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 13:16:12,021 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2024-10-13 13:16:12,073 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 13:16:12,080 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;@7088d9eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 13:16:12,081 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-10-13 13:16:12,084 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 41 states have (on average 1.9268292682926829) internal successors, (79), 71 states have internal predecessors, (79), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-13 13:16:12,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 13:16:12,088 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:12,089 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 13:16:12,089 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:12,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:12,093 INFO L85 PathProgramCache]: Analyzing trace with hash 160850856, now seen corresponding path program 1 times [2024-10-13 13:16:12,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:12,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458515059] [2024-10-13 13:16:12,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:12,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:12,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:16:12,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:12,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458515059] [2024-10-13 13:16:12,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458515059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:12,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:12,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:16:12,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105662672] [2024-10-13 13:16:12,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:12,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 13:16:12,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:12,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 13:16:12,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:16:12,218 INFO L87 Difference]: Start difference. First operand has 80 states, 41 states have (on average 1.9268292682926829) internal successors, (79), 71 states have internal predecessors, (79), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:16:12,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:12,246 INFO L93 Difference]: Finished difference Result 158 states and 190 transitions. [2024-10-13 13:16:12,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 13:16:12,248 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-13 13:16:12,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:12,253 INFO L225 Difference]: With dead ends: 158 [2024-10-13 13:16:12,253 INFO L226 Difference]: Without dead ends: 77 [2024-10-13 13:16:12,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 13:16:12,260 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:12,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:16:12,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-13 13:16:12,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-10-13 13:16:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 40 states have (on average 1.775) internal successors, (71), 69 states have internal predecessors, (71), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:16:12,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions. [2024-10-13 13:16:12,292 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 5 [2024-10-13 13:16:12,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:12,293 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions. [2024-10-13 13:16:12,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:16:12,293 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2024-10-13 13:16:12,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 13:16:12,293 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:12,294 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 13:16:12,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 13:16:12,294 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:12,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:12,295 INFO L85 PathProgramCache]: Analyzing trace with hash 160910417, now seen corresponding path program 1 times [2024-10-13 13:16:12,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:12,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108325554] [2024-10-13 13:16:12,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:12,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:12,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [60501334] [2024-10-13 13:16:12,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:12,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:12,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:12,313 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:12,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 13:16:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:12,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:16:12,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:12,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:16:12,370 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:16:12,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:12,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108325554] [2024-10-13 13:16:12,371 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:12,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60501334] [2024-10-13 13:16:12,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60501334] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:12,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:12,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:16:12,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424866306] [2024-10-13 13:16:12,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:12,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:16:12,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:12,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:16:12,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:16:12,374 INFO L87 Difference]: Start difference. First operand 77 states and 83 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:16:12,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:12,453 INFO L93 Difference]: Finished difference Result 101 states and 109 transitions. [2024-10-13 13:16:12,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:16:12,454 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-13 13:16:12,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:12,455 INFO L225 Difference]: With dead ends: 101 [2024-10-13 13:16:12,455 INFO L226 Difference]: Without dead ends: 99 [2024-10-13 13:16:12,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:16:12,456 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 18 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:12,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 140 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:16:12,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-10-13 13:16:12,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 80. [2024-10-13 13:16:12,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 72 states have internal predecessors, (74), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-13 13:16:12,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 86 transitions. [2024-10-13 13:16:12,470 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 86 transitions. Word has length 5 [2024-10-13 13:16:12,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:12,470 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 86 transitions. [2024-10-13 13:16:12,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 13:16:12,470 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 86 transitions. [2024-10-13 13:16:12,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-13 13:16:12,471 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:12,471 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:12,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 13:16:12,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:12,674 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:12,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:12,676 INFO L85 PathProgramCache]: Analyzing trace with hash -653592718, now seen corresponding path program 1 times [2024-10-13 13:16:12,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:12,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146759900] [2024-10-13 13:16:12,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:12,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:12,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1168945768] [2024-10-13 13:16:12,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:12,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:12,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:12,699 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:12,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 13:16:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:12,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 13:16:12,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:12,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:16:12,766 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:16:12,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:12,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146759900] [2024-10-13 13:16:12,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:12,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168945768] [2024-10-13 13:16:12,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168945768] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:12,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:12,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:16:12,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631596140] [2024-10-13 13:16:12,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:12,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:16:12,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:12,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:16:12,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:16:12,769 INFO L87 Difference]: Start difference. First operand 80 states and 86 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:16:12,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:12,905 INFO L93 Difference]: Finished difference Result 137 states and 158 transitions. [2024-10-13 13:16:12,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:16:12,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-10-13 13:16:12,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:12,907 INFO L225 Difference]: With dead ends: 137 [2024-10-13 13:16:12,907 INFO L226 Difference]: Without dead ends: 131 [2024-10-13 13:16:12,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:16:12,908 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 45 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:12,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 115 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:16:12,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-13 13:16:12,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 111. [2024-10-13 13:16:12,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 68 states have (on average 1.7205882352941178) internal successors, (117), 97 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:16:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 141 transitions. [2024-10-13 13:16:12,918 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 141 transitions. Word has length 12 [2024-10-13 13:16:12,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:12,919 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 141 transitions. [2024-10-13 13:16:12,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:16:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 141 transitions. [2024-10-13 13:16:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-13 13:16:12,919 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:12,919 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:12,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 13:16:13,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-13 13:16:13,121 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:13,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:13,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1037374956, now seen corresponding path program 1 times [2024-10-13 13:16:13,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:13,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759082425] [2024-10-13 13:16:13,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:13,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:13,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1492769838] [2024-10-13 13:16:13,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:13,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:13,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:13,149 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:13,151 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 13:16:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:13,182 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:16:13,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:13,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:16:13,263 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:16:13,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:13,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759082425] [2024-10-13 13:16:13,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:13,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492769838] [2024-10-13 13:16:13,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492769838] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:13,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:13,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:16:13,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097068476] [2024-10-13 13:16:13,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:13,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:16:13,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:13,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:16:13,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:16:13,266 INFO L87 Difference]: Start difference. First operand 111 states and 141 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:16:13,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:13,383 INFO L93 Difference]: Finished difference Result 130 states and 148 transitions. [2024-10-13 13:16:13,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:16:13,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-10-13 13:16:13,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:13,388 INFO L225 Difference]: With dead ends: 130 [2024-10-13 13:16:13,388 INFO L226 Difference]: Without dead ends: 127 [2024-10-13 13:16:13,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:16:13,389 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 155 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:13,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 114 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:16:13,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-10-13 13:16:13,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 112. [2024-10-13 13:16:13,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 69 states have (on average 1.681159420289855) internal successors, (116), 98 states have internal predecessors, (116), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:16:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 140 transitions. [2024-10-13 13:16:13,408 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 140 transitions. Word has length 14 [2024-10-13 13:16:13,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:13,408 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 140 transitions. [2024-10-13 13:16:13,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:16:13,409 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 140 transitions. [2024-10-13 13:16:13,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-13 13:16:13,409 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:13,409 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:13,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 13:16:13,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:13,610 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:13,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:13,611 INFO L85 PathProgramCache]: Analyzing trace with hash -2093852503, now seen corresponding path program 1 times [2024-10-13 13:16:13,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:13,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045772335] [2024-10-13 13:16:13,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:13,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:13,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2082916602] [2024-10-13 13:16:13,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:13,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:13,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:13,631 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:13,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 13:16:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:13,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 13:16:13,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 13:16:13,710 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:16:13,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:13,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045772335] [2024-10-13 13:16:13,710 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:13,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082916602] [2024-10-13 13:16:13,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082916602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:13,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:13,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:16:13,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150429248] [2024-10-13 13:16:13,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:13,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:16:13,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:13,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:16:13,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:16:13,712 INFO L87 Difference]: Start difference. First operand 112 states and 140 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:16:13,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:13,889 INFO L93 Difference]: Finished difference Result 130 states and 145 transitions. [2024-10-13 13:16:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:16:13,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-10-13 13:16:13,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:13,890 INFO L225 Difference]: With dead ends: 130 [2024-10-13 13:16:13,890 INFO L226 Difference]: Without dead ends: 123 [2024-10-13 13:16:13,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:16:13,891 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 151 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:13,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 117 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:16:13,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-10-13 13:16:13,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 109. [2024-10-13 13:16:13,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 66 states have (on average 1.6666666666666667) internal successors, (110), 95 states have internal predecessors, (110), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-10-13 13:16:13,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 134 transitions. [2024-10-13 13:16:13,911 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 134 transitions. Word has length 15 [2024-10-13 13:16:13,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:13,911 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 134 transitions. [2024-10-13 13:16:13,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-13 13:16:13,911 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 134 transitions. [2024-10-13 13:16:13,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-13 13:16:13,912 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:13,912 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:13,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 13:16:14,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:14,113 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:14,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:14,113 INFO L85 PathProgramCache]: Analyzing trace with hash 594833570, now seen corresponding path program 1 times [2024-10-13 13:16:14,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:14,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640759083] [2024-10-13 13:16:14,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:14,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:14,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1355358119] [2024-10-13 13:16:14,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:14,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:14,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:14,141 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:14,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 13:16:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:14,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:16:14,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:16:14,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:16:14,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:14,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640759083] [2024-10-13 13:16:14,218 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:14,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355358119] [2024-10-13 13:16:14,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355358119] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:14,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:14,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:16:14,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253225328] [2024-10-13 13:16:14,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:14,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:16:14,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:14,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:16:14,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:16:14,220 INFO L87 Difference]: Start difference. First operand 109 states and 134 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:16:14,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:14,460 INFO L93 Difference]: Finished difference Result 176 states and 242 transitions. [2024-10-13 13:16:14,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:16:14,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-10-13 13:16:14,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:14,462 INFO L225 Difference]: With dead ends: 176 [2024-10-13 13:16:14,462 INFO L226 Difference]: Without dead ends: 171 [2024-10-13 13:16:14,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:16:14,463 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 74 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:14,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 79 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:16:14,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-10-13 13:16:14,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 155. [2024-10-13 13:16:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 104 states have (on average 1.6346153846153846) internal successors, (170), 133 states have internal predecessors, (170), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:16:14,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 210 transitions. [2024-10-13 13:16:14,485 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 210 transitions. Word has length 23 [2024-10-13 13:16:14,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:14,486 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 210 transitions. [2024-10-13 13:16:14,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:16:14,486 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 210 transitions. [2024-10-13 13:16:14,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-10-13 13:16:14,487 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:14,487 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:14,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 13:16:14,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:14,692 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:14,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:14,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1259971566, now seen corresponding path program 1 times [2024-10-13 13:16:14,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:14,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314256127] [2024-10-13 13:16:14,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:14,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:14,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2084906514] [2024-10-13 13:16:14,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:14,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:14,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:14,717 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:14,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 13:16:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:14,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:16:14,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:14,799 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-13 13:16:14,799 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:16:14,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:14,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314256127] [2024-10-13 13:16:14,799 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:14,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084906514] [2024-10-13 13:16:14,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084906514] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:14,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:14,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:16:14,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313416304] [2024-10-13 13:16:14,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:14,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:16:14,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:14,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:16:14,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:16:14,801 INFO L87 Difference]: Start difference. First operand 155 states and 210 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:16:14,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:14,937 INFO L93 Difference]: Finished difference Result 174 states and 233 transitions. [2024-10-13 13:16:14,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:16:14,938 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-10-13 13:16:14,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:14,939 INFO L225 Difference]: With dead ends: 174 [2024-10-13 13:16:14,940 INFO L226 Difference]: Without dead ends: 171 [2024-10-13 13:16:14,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:16:14,941 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 73 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:14,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 79 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:16:14,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-10-13 13:16:14,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 156. [2024-10-13 13:16:14,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 105 states have (on average 1.5904761904761904) internal successors, (167), 134 states have internal predecessors, (167), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:16:14,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 207 transitions. [2024-10-13 13:16:14,963 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 207 transitions. Word has length 24 [2024-10-13 13:16:14,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:14,963 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 207 transitions. [2024-10-13 13:16:14,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-13 13:16:14,964 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 207 transitions. [2024-10-13 13:16:14,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-13 13:16:14,967 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:14,967 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:14,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 13:16:15,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:15,168 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:15,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:15,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1175018125, now seen corresponding path program 1 times [2024-10-13 13:16:15,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:15,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786462218] [2024-10-13 13:16:15,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:15,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:15,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:15,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:15,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:15,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:15,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:15,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:15,313 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:16:15,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:15,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786462218] [2024-10-13 13:16:15,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786462218] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:15,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:15,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:16:15,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459781909] [2024-10-13 13:16:15,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:15,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:16:15,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:15,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:16:15,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:16:15,319 INFO L87 Difference]: Start difference. First operand 156 states and 207 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) [2024-10-13 13:16:15,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:15,662 INFO L93 Difference]: Finished difference Result 189 states and 236 transitions. [2024-10-13 13:16:15,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:16:15,665 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 44 [2024-10-13 13:16:15,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:15,666 INFO L225 Difference]: With dead ends: 189 [2024-10-13 13:16:15,667 INFO L226 Difference]: Without dead ends: 187 [2024-10-13 13:16:15,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:16:15,667 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 114 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:15,667 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 64 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:16:15,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-13 13:16:15,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 158. [2024-10-13 13:16:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 107 states have (on average 1.560747663551402) internal successors, (167), 136 states have internal predecessors, (167), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:16:15,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 207 transitions. [2024-10-13 13:16:15,677 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 207 transitions. Word has length 44 [2024-10-13 13:16:15,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:15,678 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 207 transitions. [2024-10-13 13:16:15,678 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) [2024-10-13 13:16:15,678 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 207 transitions. [2024-10-13 13:16:15,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-13 13:16:15,679 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:15,679 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:15,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 13:16:15,679 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:15,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:15,680 INFO L85 PathProgramCache]: Analyzing trace with hash -2065823412, now seen corresponding path program 1 times [2024-10-13 13:16:15,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:15,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046430764] [2024-10-13 13:16:15,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:15,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:15,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:15,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:15,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:15,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:15,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:16:15,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:15,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046430764] [2024-10-13 13:16:15,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046430764] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:15,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:15,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:16:15,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808527686] [2024-10-13 13:16:15,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:15,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:16:15,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:15,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:16:15,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:16:15,784 INFO L87 Difference]: Start difference. First operand 158 states and 207 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) [2024-10-13 13:16:15,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:15,920 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2024-10-13 13:16:15,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:16:15,920 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 45 [2024-10-13 13:16:15,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:15,921 INFO L225 Difference]: With dead ends: 189 [2024-10-13 13:16:15,921 INFO L226 Difference]: Without dead ends: 187 [2024-10-13 13:16:15,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:16:15,922 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 111 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:15,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 66 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:16:15,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-13 13:16:15,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 160. [2024-10-13 13:16:15,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 109 states have (on average 1.5321100917431192) internal successors, (167), 138 states have internal predecessors, (167), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:16:15,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 207 transitions. [2024-10-13 13:16:15,941 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 207 transitions. Word has length 45 [2024-10-13 13:16:15,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:15,941 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 207 transitions. [2024-10-13 13:16:15,941 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) [2024-10-13 13:16:15,941 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 207 transitions. [2024-10-13 13:16:15,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-13 13:16:15,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:15,944 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:15,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 13:16:15,944 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:15,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:15,945 INFO L85 PathProgramCache]: Analyzing trace with hash -981405020, now seen corresponding path program 1 times [2024-10-13 13:16:15,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:15,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403543613] [2024-10-13 13:16:15,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:15,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:16:16,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:16,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403543613] [2024-10-13 13:16:16,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403543613] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:16,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:16,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 13:16:16,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655663320] [2024-10-13 13:16:16,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:16,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 13:16:16,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:16,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 13:16:16,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:16:16,021 INFO L87 Difference]: Start difference. First operand 160 states and 207 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:16:16,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:16,075 INFO L93 Difference]: Finished difference Result 165 states and 207 transitions. [2024-10-13 13:16:16,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 13:16:16,076 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2024-10-13 13:16:16,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:16,078 INFO L225 Difference]: With dead ends: 165 [2024-10-13 13:16:16,078 INFO L226 Difference]: Without dead ends: 164 [2024-10-13 13:16:16,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 13:16:16,079 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 13 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:16,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 123 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:16:16,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-10-13 13:16:16,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2024-10-13 13:16:16,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 109 states have (on average 1.5229357798165137) internal successors, (166), 138 states have internal predecessors, (166), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:16:16,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 206 transitions. [2024-10-13 13:16:16,090 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 206 transitions. Word has length 47 [2024-10-13 13:16:16,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:16,091 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 206 transitions. [2024-10-13 13:16:16,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:16:16,091 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 206 transitions. [2024-10-13 13:16:16,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-13 13:16:16,092 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:16,092 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:16,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 13:16:16,092 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:16,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:16,093 INFO L85 PathProgramCache]: Analyzing trace with hash -981404978, now seen corresponding path program 1 times [2024-10-13 13:16:16,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:16,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053637477] [2024-10-13 13:16:16,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:16,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:16,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,199 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:16:16,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:16,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053637477] [2024-10-13 13:16:16,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053637477] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:16,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:16,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:16:16,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011952704] [2024-10-13 13:16:16,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:16,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:16:16,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:16,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:16:16,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:16:16,202 INFO L87 Difference]: Start difference. First operand 160 states and 206 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:16:16,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:16,262 INFO L93 Difference]: Finished difference Result 160 states and 206 transitions. [2024-10-13 13:16:16,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:16:16,263 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2024-10-13 13:16:16,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:16,264 INFO L225 Difference]: With dead ends: 160 [2024-10-13 13:16:16,265 INFO L226 Difference]: Without dead ends: 159 [2024-10-13 13:16:16,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:16:16,265 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 54 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:16,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 49 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:16:16,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-10-13 13:16:16,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-10-13 13:16:16,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 109 states have (on average 1.4862385321100917) internal successors, (162), 137 states have internal predecessors, (162), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:16:16,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 202 transitions. [2024-10-13 13:16:16,279 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 202 transitions. Word has length 47 [2024-10-13 13:16:16,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:16,279 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 202 transitions. [2024-10-13 13:16:16,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:16:16,279 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 202 transitions. [2024-10-13 13:16:16,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-13 13:16:16,280 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:16,281 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:16,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 13:16:16,281 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:16,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:16,281 INFO L85 PathProgramCache]: Analyzing trace with hash -358784424, now seen corresponding path program 1 times [2024-10-13 13:16:16,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:16,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383057461] [2024-10-13 13:16:16,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:16,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:16:16,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:16,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383057461] [2024-10-13 13:16:16,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383057461] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:16,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:16,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:16:16,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170056824] [2024-10-13 13:16:16,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:16,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:16:16,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:16,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:16:16,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:16:16,359 INFO L87 Difference]: Start difference. First operand 159 states and 202 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:16:16,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:16,422 INFO L93 Difference]: Finished difference Result 159 states and 202 transitions. [2024-10-13 13:16:16,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:16:16,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2024-10-13 13:16:16,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:16,423 INFO L225 Difference]: With dead ends: 159 [2024-10-13 13:16:16,423 INFO L226 Difference]: Without dead ends: 158 [2024-10-13 13:16:16,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:16:16,424 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 102 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:16,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 127 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:16:16,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-10-13 13:16:16,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-10-13 13:16:16,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 109 states have (on average 1.4678899082568808) internal successors, (160), 136 states have internal predecessors, (160), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-13 13:16:16,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 200 transitions. [2024-10-13 13:16:16,433 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 200 transitions. Word has length 48 [2024-10-13 13:16:16,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:16,433 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 200 transitions. [2024-10-13 13:16:16,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-13 13:16:16,433 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 200 transitions. [2024-10-13 13:16:16,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-13 13:16:16,434 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:16,434 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:16,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 13:16:16,436 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:16,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:16,437 INFO L85 PathProgramCache]: Analyzing trace with hash -358783142, now seen corresponding path program 1 times [2024-10-13 13:16:16,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:16,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045044483] [2024-10-13 13:16:16,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:16,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:16:16,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:16,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045044483] [2024-10-13 13:16:16,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045044483] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:16,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:16,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:16:16,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436729217] [2024-10-13 13:16:16,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:16,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:16:16,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:16,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:16:16,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:16:16,509 INFO L87 Difference]: Start difference. First operand 158 states and 200 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:16:16,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:16,893 INFO L93 Difference]: Finished difference Result 210 states and 259 transitions. [2024-10-13 13:16:16,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:16:16,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 48 [2024-10-13 13:16:16,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:16,895 INFO L225 Difference]: With dead ends: 210 [2024-10-13 13:16:16,895 INFO L226 Difference]: Without dead ends: 209 [2024-10-13 13:16:16,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:16:16,895 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 265 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:16,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 208 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:16:16,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-10-13 13:16:16,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 187. [2024-10-13 13:16:16,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 133 states have (on average 1.4511278195488722) internal successors, (193), 160 states have internal predecessors, (193), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 13:16:16,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 243 transitions. [2024-10-13 13:16:16,906 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 243 transitions. Word has length 48 [2024-10-13 13:16:16,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:16,906 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 243 transitions. [2024-10-13 13:16:16,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:16:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 243 transitions. [2024-10-13 13:16:16,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-13 13:16:16,907 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:16,907 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:16,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 13:16:16,908 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:16,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:16,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1762584870, now seen corresponding path program 1 times [2024-10-13 13:16:16,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:16,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729745136] [2024-10-13 13:16:16,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:16,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:16,982 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-13 13:16:16,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:16,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729745136] [2024-10-13 13:16:16,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729745136] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:16,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:16,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:16:16,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349028058] [2024-10-13 13:16:16,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:16,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:16:16,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:16,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:16:16,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:16:16,984 INFO L87 Difference]: Start difference. First operand 187 states and 243 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:16:17,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:17,090 INFO L93 Difference]: Finished difference Result 208 states and 256 transitions. [2024-10-13 13:16:17,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:16:17,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 49 [2024-10-13 13:16:17,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:17,092 INFO L225 Difference]: With dead ends: 208 [2024-10-13 13:16:17,092 INFO L226 Difference]: Without dead ends: 206 [2024-10-13 13:16:17,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:16:17,093 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 48 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:17,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 131 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 13:16:17,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-10-13 13:16:17,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 191. [2024-10-13 13:16:17,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 137 states have (on average 1.437956204379562) internal successors, (197), 164 states have internal predecessors, (197), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-13 13:16:17,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 247 transitions. [2024-10-13 13:16:17,102 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 247 transitions. Word has length 49 [2024-10-13 13:16:17,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:17,103 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 247 transitions. [2024-10-13 13:16:17,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-13 13:16:17,103 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 247 transitions. [2024-10-13 13:16:17,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-13 13:16:17,104 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:17,104 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:17,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 13:16:17,104 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:17,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:17,104 INFO L85 PathProgramCache]: Analyzing trace with hash 1051387335, now seen corresponding path program 1 times [2024-10-13 13:16:17,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:17,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222240787] [2024-10-13 13:16:17,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:17,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:17,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1644863051] [2024-10-13 13:16:17,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:17,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:17,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:17,117 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:17,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 13:16:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:17,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:16:17,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:17,378 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:16:17,379 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:16:17,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:17,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222240787] [2024-10-13 13:16:17,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:17,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644863051] [2024-10-13 13:16:17,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644863051] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:17,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:17,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 13:16:17,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197548875] [2024-10-13 13:16:17,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:17,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:16:17,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:17,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:16:17,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:16:17,380 INFO L87 Difference]: Start difference. First operand 191 states and 247 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:16:17,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:17,696 INFO L93 Difference]: Finished difference Result 286 states and 368 transitions. [2024-10-13 13:16:17,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:16:17,696 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 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 59 [2024-10-13 13:16:17,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:17,698 INFO L225 Difference]: With dead ends: 286 [2024-10-13 13:16:17,698 INFO L226 Difference]: Without dead ends: 277 [2024-10-13 13:16:17,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:16:17,699 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 233 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:17,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 120 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:16:17,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-10-13 13:16:17,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 257. [2024-10-13 13:16:17,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 193 states have (on average 1.4041450777202074) internal successors, (271), 220 states have internal predecessors, (271), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2024-10-13 13:16:17,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 341 transitions. [2024-10-13 13:16:17,713 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 341 transitions. Word has length 59 [2024-10-13 13:16:17,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:17,714 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 341 transitions. [2024-10-13 13:16:17,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:16:17,714 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 341 transitions. [2024-10-13 13:16:17,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-13 13:16:17,715 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:17,715 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:17,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-13 13:16:17,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:17,916 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:17,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:17,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1766730926, now seen corresponding path program 1 times [2024-10-13 13:16:17,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:17,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042184109] [2024-10-13 13:16:17,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:17,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:17,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [471662337] [2024-10-13 13:16:17,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:17,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:17,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:17,932 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:17,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 13:16:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:17,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:16:17,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:16:18,224 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:18,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:18,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042184109] [2024-10-13 13:16:18,827 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:18,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471662337] [2024-10-13 13:16:18,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471662337] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:18,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:16:18,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-13 13:16:18,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403134678] [2024-10-13 13:16:18,828 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:18,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:16:18,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:18,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:16:18,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:16:18,829 INFO L87 Difference]: Start difference. First operand 257 states and 341 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:16:19,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:19,126 INFO L93 Difference]: Finished difference Result 343 states and 448 transitions. [2024-10-13 13:16:19,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 13:16:19,128 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 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 60 [2024-10-13 13:16:19,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:19,130 INFO L225 Difference]: With dead ends: 343 [2024-10-13 13:16:19,130 INFO L226 Difference]: Without dead ends: 340 [2024-10-13 13:16:19,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:16:19,131 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 189 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:19,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 169 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:16:19,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-10-13 13:16:19,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 313. [2024-10-13 13:16:19,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 239 states have (on average 1.393305439330544) internal successors, (333), 266 states have internal predecessors, (333), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-10-13 13:16:19,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 423 transitions. [2024-10-13 13:16:19,148 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 423 transitions. Word has length 60 [2024-10-13 13:16:19,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:19,149 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 423 transitions. [2024-10-13 13:16:19,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:16:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 423 transitions. [2024-10-13 13:16:19,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-13 13:16:19,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:19,151 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:19,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-13 13:16:19,354 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,SelfDestructingSolverStorable15 [2024-10-13 13:16:19,354 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:19,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:19,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1065916201, now seen corresponding path program 1 times [2024-10-13 13:16:19,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:19,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854516337] [2024-10-13 13:16:19,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:19,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:19,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:19,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:19,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:19,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:19,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:19,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 13:16:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:19,413 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:16:19,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:19,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854516337] [2024-10-13 13:16:19,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854516337] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:19,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:19,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 13:16:19,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327684652] [2024-10-13 13:16:19,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:19,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:16:19,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:19,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:16:19,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:16:19,416 INFO L87 Difference]: Start difference. First operand 313 states and 423 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:16:20,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:20,264 INFO L93 Difference]: Finished difference Result 444 states and 602 transitions. [2024-10-13 13:16:20,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:16:20,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 61 [2024-10-13 13:16:20,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:20,267 INFO L225 Difference]: With dead ends: 444 [2024-10-13 13:16:20,267 INFO L226 Difference]: Without dead ends: 441 [2024-10-13 13:16:20,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:16:20,268 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 129 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:20,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 168 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 13:16:20,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-13 13:16:20,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 319. [2024-10-13 13:16:20,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 245 states have (on average 1.3673469387755102) internal successors, (335), 270 states have internal predecessors, (335), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-10-13 13:16:20,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 429 transitions. [2024-10-13 13:16:20,312 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 429 transitions. Word has length 61 [2024-10-13 13:16:20,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:20,312 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 429 transitions. [2024-10-13 13:16:20,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:16:20,312 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 429 transitions. [2024-10-13 13:16:20,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-13 13:16:20,313 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:20,313 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:20,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 13:16:20,314 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:20,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:20,314 INFO L85 PathProgramCache]: Analyzing trace with hash 434656326, now seen corresponding path program 1 times [2024-10-13 13:16:20,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:20,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640523991] [2024-10-13 13:16:20,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:20,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:20,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1888689130] [2024-10-13 13:16:20,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:20,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:20,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:20,337 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:20,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 13:16:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:20,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:16:20,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:16:20,500 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:16:20,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:20,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640523991] [2024-10-13 13:16:20,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:20,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888689130] [2024-10-13 13:16:20,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888689130] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:20,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:20,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-13 13:16:20,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058372933] [2024-10-13 13:16:20,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:20,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:16:20,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:20,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:16:20,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:16:20,502 INFO L87 Difference]: Start difference. First operand 319 states and 429 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:16:20,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:20,716 INFO L93 Difference]: Finished difference Result 334 states and 453 transitions. [2024-10-13 13:16:20,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:16:20,716 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 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 61 [2024-10-13 13:16:20,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:20,718 INFO L225 Difference]: With dead ends: 334 [2024-10-13 13:16:20,718 INFO L226 Difference]: Without dead ends: 330 [2024-10-13 13:16:20,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:16:20,718 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 88 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:20,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 156 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:16:20,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-10-13 13:16:20,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 315. [2024-10-13 13:16:20,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 245 states have (on average 1.3387755102040817) internal successors, (328), 266 states have internal predecessors, (328), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-10-13 13:16:20,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 422 transitions. [2024-10-13 13:16:20,736 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 422 transitions. Word has length 61 [2024-10-13 13:16:20,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:20,736 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 422 transitions. [2024-10-13 13:16:20,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:16:20,737 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 422 transitions. [2024-10-13 13:16:20,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-13 13:16:20,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:20,737 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:20,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-13 13:16:20,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-13 13:16:20,938 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:20,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:20,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1316336076, now seen corresponding path program 1 times [2024-10-13 13:16:20,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:20,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345006326] [2024-10-13 13:16:20,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:20,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:20,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [806709221] [2024-10-13 13:16:20,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:20,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:20,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:20,951 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:20,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 13:16:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:20,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:16:20,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:21,160 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:16:21,160 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:25,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:25,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345006326] [2024-10-13 13:16:25,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:25,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806709221] [2024-10-13 13:16:25,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806709221] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:25,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:16:25,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-13 13:16:25,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940158404] [2024-10-13 13:16:25,375 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:25,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:16:25,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:25,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:16:25,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=82, Unknown=1, NotChecked=0, Total=110 [2024-10-13 13:16:25,376 INFO L87 Difference]: Start difference. First operand 315 states and 422 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:16:25,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:25,814 INFO L93 Difference]: Finished difference Result 338 states and 432 transitions. [2024-10-13 13:16:25,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:16:25,815 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 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 62 [2024-10-13 13:16:25,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:25,817 INFO L225 Difference]: With dead ends: 338 [2024-10-13 13:16:25,818 INFO L226 Difference]: Without dead ends: 331 [2024-10-13 13:16:25,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=52, Invalid=157, Unknown=1, NotChecked=0, Total=210 [2024-10-13 13:16:25,818 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 229 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:25,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 173 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:16:25,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-10-13 13:16:25,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 313. [2024-10-13 13:16:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 243 states have (on average 1.3251028806584362) internal successors, (322), 264 states have internal predecessors, (322), 47 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-10-13 13:16:25,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 416 transitions. [2024-10-13 13:16:25,847 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 416 transitions. Word has length 62 [2024-10-13 13:16:25,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:25,848 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 416 transitions. [2024-10-13 13:16:25,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:16:25,848 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 416 transitions. [2024-10-13 13:16:25,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-10-13 13:16:25,848 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:25,849 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-10-13 13:16:25,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 13:16:26,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:26,049 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:26,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:26,050 INFO L85 PathProgramCache]: Analyzing trace with hash 589444298, now seen corresponding path program 1 times [2024-10-13 13:16:26,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:26,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361216313] [2024-10-13 13:16:26,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:26,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:26,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [440373049] [2024-10-13 13:16:26,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:26,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:26,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:26,063 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:26,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-13 13:16:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:26,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:16:26,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:26,204 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-13 13:16:26,205 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:26,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:26,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361216313] [2024-10-13 13:16:26,358 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:26,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440373049] [2024-10-13 13:16:26,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440373049] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:26,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:16:26,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-10-13 13:16:26,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608968606] [2024-10-13 13:16:26,359 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:26,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 13:16:26,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:26,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 13:16:26,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:16:26,361 INFO L87 Difference]: Start difference. First operand 313 states and 416 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:16:26,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:26,623 INFO L93 Difference]: Finished difference Result 507 states and 707 transitions. [2024-10-13 13:16:26,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 13:16:26,623 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 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 62 [2024-10-13 13:16:26,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:26,625 INFO L225 Difference]: With dead ends: 507 [2024-10-13 13:16:26,625 INFO L226 Difference]: Without dead ends: 503 [2024-10-13 13:16:26,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-10-13 13:16:26,626 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 114 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:26,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 214 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:16:26,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-10-13 13:16:26,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 407. [2024-10-13 13:16:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 321 states have (on average 1.3146417445482865) internal successors, (422), 342 states have internal predecessors, (422), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-10-13 13:16:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 548 transitions. [2024-10-13 13:16:26,649 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 548 transitions. Word has length 62 [2024-10-13 13:16:26,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:26,649 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 548 transitions. [2024-10-13 13:16:26,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-10-13 13:16:26,650 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 548 transitions. [2024-10-13 13:16:26,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-13 13:16:26,650 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:26,650 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:26,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-13 13:16:26,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:26,851 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:26,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:26,851 INFO L85 PathProgramCache]: Analyzing trace with hash 462041167, now seen corresponding path program 1 times [2024-10-13 13:16:26,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:26,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690040151] [2024-10-13 13:16:26,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:26,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:26,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:26,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:26,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:26,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:26,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:26,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:16:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:26,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:16:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:26,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:16:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:26,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:16:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:26,914 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 13:16:26,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:26,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690040151] [2024-10-13 13:16:26,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690040151] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:26,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426110907] [2024-10-13 13:16:26,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:26,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:26,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:26,917 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:26,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-13 13:16:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:26,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:16:26,976 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:27,012 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 13:16:27,012 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:27,119 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 13:16:27,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426110907] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:16:27,120 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:16:27,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-13 13:16:27,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333527373] [2024-10-13 13:16:27,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:27,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 13:16:27,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:27,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 13:16:27,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:16:27,123 INFO L87 Difference]: Start difference. First operand 407 states and 548 transitions. Second operand has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-10-13 13:16:27,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:27,907 INFO L93 Difference]: Finished difference Result 645 states and 882 transitions. [2024-10-13 13:16:27,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:16:27,907 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) Word has length 82 [2024-10-13 13:16:27,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:27,910 INFO L225 Difference]: With dead ends: 645 [2024-10-13 13:16:27,910 INFO L226 Difference]: Without dead ends: 643 [2024-10-13 13:16:27,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:16:27,911 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 356 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:27,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 234 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:16:27,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-10-13 13:16:27,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 546. [2024-10-13 13:16:27,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 433 states have (on average 1.3117782909930715) internal successors, (568), 453 states have internal predecessors, (568), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-10-13 13:16:27,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 750 transitions. [2024-10-13 13:16:27,945 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 750 transitions. Word has length 82 [2024-10-13 13:16:27,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:27,945 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 750 transitions. [2024-10-13 13:16:27,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.571428571428571) internal successors, (67), 8 states have internal predecessors, (67), 7 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 7 states have call predecessors, (16), 7 states have call successors, (16) [2024-10-13 13:16:27,946 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 750 transitions. [2024-10-13 13:16:27,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-10-13 13:16:27,946 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:27,946 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:27,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-13 13:16:28,146 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,SelfDestructingSolverStorable20 [2024-10-13 13:16:28,147 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:28,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:28,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1438374384, now seen corresponding path program 1 times [2024-10-13 13:16:28,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:28,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139121230] [2024-10-13 13:16:28,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:28,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:28,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:28,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:28,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:28,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:28,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:28,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:28,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:16:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:28,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:16:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:28,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:16:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:28,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:16:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:28,225 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 13:16:28,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:28,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139121230] [2024-10-13 13:16:28,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139121230] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:28,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852862006] [2024-10-13 13:16:28,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:28,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:28,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:28,227 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:28,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-13 13:16:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:28,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:16:28,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 13:16:28,326 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 13:16:28,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852862006] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:16:28,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:16:28,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-10-13 13:16:28,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555343916] [2024-10-13 13:16:28,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:28,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:16:28,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:28,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:16:28,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:16:28,423 INFO L87 Difference]: Start difference. First operand 546 states and 750 transitions. Second operand has 11 states, 10 states have (on average 10.2) internal successors, (102), 11 states have internal predecessors, (102), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-13 13:16:29,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:29,109 INFO L93 Difference]: Finished difference Result 661 states and 878 transitions. [2024-10-13 13:16:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 13:16:29,111 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.2) internal successors, (102), 11 states have internal predecessors, (102), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 83 [2024-10-13 13:16:29,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:29,113 INFO L225 Difference]: With dead ends: 661 [2024-10-13 13:16:29,114 INFO L226 Difference]: Without dead ends: 659 [2024-10-13 13:16:29,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=165, Invalid=341, Unknown=0, NotChecked=0, Total=506 [2024-10-13 13:16:29,115 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 671 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:29,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [674 Valid, 328 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:16:29,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-10-13 13:16:29,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 548. [2024-10-13 13:16:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 436 states have (on average 1.261467889908257) internal successors, (550), 455 states have internal predecessors, (550), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-10-13 13:16:29,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 732 transitions. [2024-10-13 13:16:29,150 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 732 transitions. Word has length 83 [2024-10-13 13:16:29,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:29,150 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 732 transitions. [2024-10-13 13:16:29,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.2) internal successors, (102), 11 states have internal predecessors, (102), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-10-13 13:16:29,150 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 732 transitions. [2024-10-13 13:16:29,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-13 13:16:29,151 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:29,151 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:29,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-10-13 13:16:29,351 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,SelfDestructingSolverStorable21 [2024-10-13 13:16:29,353 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:29,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:29,353 INFO L85 PathProgramCache]: Analyzing trace with hash -701683128, now seen corresponding path program 1 times [2024-10-13 13:16:29,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:29,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625114249] [2024-10-13 13:16:29,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:29,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:16:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:16:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:16:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:16:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,412 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 13:16:29,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:29,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625114249] [2024-10-13 13:16:29,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625114249] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:29,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:29,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 13:16:29,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122991213] [2024-10-13 13:16:29,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:29,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 13:16:29,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:29,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 13:16:29,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 13:16:29,416 INFO L87 Difference]: Start difference. First operand 548 states and 732 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-13 13:16:29,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:29,487 INFO L93 Difference]: Finished difference Result 548 states and 732 transitions. [2024-10-13 13:16:29,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 13:16:29,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 85 [2024-10-13 13:16:29,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:29,490 INFO L225 Difference]: With dead ends: 548 [2024-10-13 13:16:29,490 INFO L226 Difference]: Without dead ends: 547 [2024-10-13 13:16:29,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:16:29,491 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 18 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:29,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 122 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 13:16:29,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2024-10-13 13:16:29,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 547. [2024-10-13 13:16:29,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 436 states have (on average 1.2522935779816513) internal successors, (546), 454 states have internal predecessors, (546), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-10-13 13:16:29,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 728 transitions. [2024-10-13 13:16:29,527 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 728 transitions. Word has length 85 [2024-10-13 13:16:29,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:29,528 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 728 transitions. [2024-10-13 13:16:29,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-13 13:16:29,528 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 728 transitions. [2024-10-13 13:16:29,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-13 13:16:29,529 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:29,529 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:29,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-13 13:16:29,529 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:29,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:29,529 INFO L85 PathProgramCache]: Analyzing trace with hash -7616566, now seen corresponding path program 1 times [2024-10-13 13:16:29,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:29,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018672281] [2024-10-13 13:16:29,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:29,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:16:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:16:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:16:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:16:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,630 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 13:16:29,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:29,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018672281] [2024-10-13 13:16:29,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018672281] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:29,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502278268] [2024-10-13 13:16:29,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:29,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:29,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:29,632 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:29,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-13 13:16:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:29,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:16:29,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:29,780 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 13:16:29,780 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:16:29,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502278268] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:29,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:16:29,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-10-13 13:16:29,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661261377] [2024-10-13 13:16:29,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:29,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:16:29,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:29,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:16:29,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:16:29,782 INFO L87 Difference]: Start difference. First operand 547 states and 728 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-13 13:16:30,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:30,039 INFO L93 Difference]: Finished difference Result 558 states and 747 transitions. [2024-10-13 13:16:30,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 13:16:30,039 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), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 87 [2024-10-13 13:16:30,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:30,041 INFO L225 Difference]: With dead ends: 558 [2024-10-13 13:16:30,041 INFO L226 Difference]: Without dead ends: 557 [2024-10-13 13:16:30,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-13 13:16:30,042 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 40 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:30,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 133 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:16:30,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-10-13 13:16:30,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 546. [2024-10-13 13:16:30,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 436 states have (on average 1.2454128440366972) internal successors, (543), 453 states have internal predecessors, (543), 91 states have call successors, (91), 1 states have call predecessors, (91), 1 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2024-10-13 13:16:30,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 725 transitions. [2024-10-13 13:16:30,071 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 725 transitions. Word has length 87 [2024-10-13 13:16:30,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:30,071 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 725 transitions. [2024-10-13 13:16:30,071 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), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-13 13:16:30,071 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 725 transitions. [2024-10-13 13:16:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-13 13:16:30,072 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:30,072 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:30,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-13 13:16:30,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:30,273 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:30,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:30,273 INFO L85 PathProgramCache]: Analyzing trace with hash -236113418, now seen corresponding path program 1 times [2024-10-13 13:16:30,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:30,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906345463] [2024-10-13 13:16:30,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:30,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:30,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:30,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:30,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:30,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:30,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:30,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:16:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:30,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:16:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:30,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:16:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:30,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:16:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:30,361 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 13:16:30,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:30,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906345463] [2024-10-13 13:16:30,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906345463] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:30,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797275217] [2024-10-13 13:16:30,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:30,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:30,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:30,364 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:30,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-13 13:16:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:30,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 13:16:30,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:30,535 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 13:16:30,535 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:30,625 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-13 13:16:30,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797275217] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:16:30,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:16:30,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-10-13 13:16:30,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135564338] [2024-10-13 13:16:30,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:30,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:16:30,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:30,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:16:30,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-10-13 13:16:30,627 INFO L87 Difference]: Start difference. First operand 546 states and 725 transitions. Second operand has 11 states, 10 states have (on average 12.8) internal successors, (128), 11 states have internal predecessors, (128), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-13 13:16:31,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:31,045 INFO L93 Difference]: Finished difference Result 748 states and 1002 transitions. [2024-10-13 13:16:31,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:16:31,045 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 12.8) internal successors, (128), 11 states have internal predecessors, (128), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 88 [2024-10-13 13:16:31,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:31,048 INFO L225 Difference]: With dead ends: 748 [2024-10-13 13:16:31,048 INFO L226 Difference]: Without dead ends: 746 [2024-10-13 13:16:31,048 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:16:31,049 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 210 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:31,049 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 286 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:16:31,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2024-10-13 13:16:31,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 622. [2024-10-13 13:16:31,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 503 states have (on average 1.2385685884691848) internal successors, (623), 520 states have internal predecessors, (623), 100 states have call successors, (100), 1 states have call predecessors, (100), 1 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-10-13 13:16:31,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 823 transitions. [2024-10-13 13:16:31,088 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 823 transitions. Word has length 88 [2024-10-13 13:16:31,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:31,088 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 823 transitions. [2024-10-13 13:16:31,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 12.8) internal successors, (128), 11 states have internal predecessors, (128), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-13 13:16:31,089 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 823 transitions. [2024-10-13 13:16:31,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-10-13 13:16:31,089 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:31,089 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:31,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-13 13:16:31,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:31,290 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:31,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:31,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1172861137, now seen corresponding path program 1 times [2024-10-13 13:16:31,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:31,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445956924] [2024-10-13 13:16:31,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:31,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:31,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:31,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:31,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:31,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:31,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:31,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 13:16:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:31,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:16:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:31,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:16:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:31,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 13:16:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:31,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 13:16:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:31,391 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:16:31,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:31,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445956924] [2024-10-13 13:16:31,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445956924] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:31,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156744951] [2024-10-13 13:16:31,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:31,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:31,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:31,393 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:31,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-13 13:16:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:31,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:16:31,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:16:31,561 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:31,719 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:16:31,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156744951] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:16:31,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:16:31,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-10-13 13:16:31,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256421108] [2024-10-13 13:16:31,719 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:31,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:16:31,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:31,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:16:31,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:16:31,720 INFO L87 Difference]: Start difference. First operand 622 states and 823 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-13 13:16:32,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:32,144 INFO L93 Difference]: Finished difference Result 626 states and 823 transitions. [2024-10-13 13:16:32,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:16:32,144 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) Word has length 95 [2024-10-13 13:16:32,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:32,147 INFO L225 Difference]: With dead ends: 626 [2024-10-13 13:16:32,147 INFO L226 Difference]: Without dead ends: 625 [2024-10-13 13:16:32,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 203 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=239, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:16:32,147 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 237 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:32,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 266 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:16:32,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2024-10-13 13:16:32,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 592. [2024-10-13 13:16:32,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 479 states have (on average 1.231732776617954) internal successors, (590), 495 states have internal predecessors, (590), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-10-13 13:16:32,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 780 transitions. [2024-10-13 13:16:32,183 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 780 transitions. Word has length 95 [2024-10-13 13:16:32,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:32,184 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 780 transitions. [2024-10-13 13:16:32,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 7 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 7 states have call predecessors, (18), 7 states have call successors, (18) [2024-10-13 13:16:32,184 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 780 transitions. [2024-10-13 13:16:32,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-13 13:16:32,185 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:32,185 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:32,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-13 13:16:32,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-10-13 13:16:32,385 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:32,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:32,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1616066709, now seen corresponding path program 1 times [2024-10-13 13:16:32,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:32,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778105343] [2024-10-13 13:16:32,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:32,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:32,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1669398471] [2024-10-13 13:16:32,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:32,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:32,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:32,404 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:32,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-13 13:16:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:32,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:16:32,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:32,823 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 5 proven. 13 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:16:32,824 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:32,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:32,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778105343] [2024-10-13 13:16:32,975 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:32,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669398471] [2024-10-13 13:16:32,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669398471] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:32,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:16:32,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-13 13:16:32,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114214624] [2024-10-13 13:16:32,976 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:32,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:16:32,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:32,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:16:32,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:16:32,977 INFO L87 Difference]: Start difference. First operand 592 states and 780 transitions. Second operand has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-13 13:16:33,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:33,778 INFO L93 Difference]: Finished difference Result 1060 states and 1434 transitions. [2024-10-13 13:16:33,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 13:16:33,778 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 97 [2024-10-13 13:16:33,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:33,782 INFO L225 Difference]: With dead ends: 1060 [2024-10-13 13:16:33,782 INFO L226 Difference]: Without dead ends: 1057 [2024-10-13 13:16:33,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:16:33,783 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 206 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 967 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:33,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 235 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 967 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:16:33,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-10-13 13:16:33,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 634. [2024-10-13 13:16:33,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 512 states have (on average 1.236328125) internal successors, (633), 528 states have internal predecessors, (633), 104 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-13 13:16:33,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 841 transitions. [2024-10-13 13:16:33,855 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 841 transitions. Word has length 97 [2024-10-13 13:16:33,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:33,855 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 841 transitions. [2024-10-13 13:16:33,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.555555555555555) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-13 13:16:33,856 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 841 transitions. [2024-10-13 13:16:33,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-13 13:16:33,857 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:33,857 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-10-13 13:16:33,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-13 13:16:34,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-13 13:16:34,061 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:34,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:34,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1441539630, now seen corresponding path program 1 times [2024-10-13 13:16:34,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:34,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081463734] [2024-10-13 13:16:34,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:34,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:34,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1771825255] [2024-10-13 13:16:34,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:34,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:34,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:34,075 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:34,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-13 13:16:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:34,119 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:16:34,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:34,424 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:16:34,425 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:35,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:35,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081463734] [2024-10-13 13:16:35,072 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:35,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771825255] [2024-10-13 13:16:35,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771825255] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:35,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:16:35,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-13 13:16:35,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295165605] [2024-10-13 13:16:35,073 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:35,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:16:35,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:35,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:16:35,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:16:35,074 INFO L87 Difference]: Start difference. First operand 634 states and 841 transitions. Second operand has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-13 13:16:35,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:35,525 INFO L93 Difference]: Finished difference Result 725 states and 953 transitions. [2024-10-13 13:16:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 13:16:35,525 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 98 [2024-10-13 13:16:35,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:35,528 INFO L225 Difference]: With dead ends: 725 [2024-10-13 13:16:35,528 INFO L226 Difference]: Without dead ends: 722 [2024-10-13 13:16:35,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:16:35,528 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 76 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 589 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 589 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:35,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 240 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 589 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:16:35,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2024-10-13 13:16:35,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 701. [2024-10-13 13:16:35,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 567 states have (on average 1.2328042328042328) internal successors, (699), 583 states have internal predecessors, (699), 116 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (116), 116 states have call predecessors, (116), 116 states have call successors, (116) [2024-10-13 13:16:35,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 931 transitions. [2024-10-13 13:16:35,573 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 931 transitions. Word has length 98 [2024-10-13 13:16:35,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:35,574 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 931 transitions. [2024-10-13 13:16:35,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.666666666666667) internal successors, (51), 10 states have internal predecessors, (51), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-13 13:16:35,574 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 931 transitions. [2024-10-13 13:16:35,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-13 13:16:35,575 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:35,575 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-10-13 13:16:35,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-13 13:16:35,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-13 13:16:35,778 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:35,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:35,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1738055629, now seen corresponding path program 1 times [2024-10-13 13:16:35,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:35,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101583641] [2024-10-13 13:16:35,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:35,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:35,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:35,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:35,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:35,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:35,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:35,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:16:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:35,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:16:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:35,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:16:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:35,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:16:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:35,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:16:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:35,886 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:16:35,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:35,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101583641] [2024-10-13 13:16:35,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101583641] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:35,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:35,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:16:35,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287572916] [2024-10-13 13:16:35,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:35,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 13:16:35,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:35,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 13:16:35,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-13 13:16:35,888 INFO L87 Difference]: Start difference. First operand 701 states and 931 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:16:36,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:36,764 INFO L93 Difference]: Finished difference Result 705 states and 931 transitions. [2024-10-13 13:16:36,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 13:16:36,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 99 [2024-10-13 13:16:36,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:36,767 INFO L225 Difference]: With dead ends: 705 [2024-10-13 13:16:36,767 INFO L226 Difference]: Without dead ends: 704 [2024-10-13 13:16:36,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:16:36,767 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 85 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:36,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 161 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:16:36,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-10-13 13:16:36,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 670. [2024-10-13 13:16:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 539 states have (on average 1.228200371057514) internal successors, (662), 554 states have internal predecessors, (662), 114 states have call successors, (114), 1 states have call predecessors, (114), 1 states have return successors, (114), 114 states have call predecessors, (114), 114 states have call successors, (114) [2024-10-13 13:16:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 890 transitions. [2024-10-13 13:16:36,810 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 890 transitions. Word has length 99 [2024-10-13 13:16:36,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:36,810 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 890 transitions. [2024-10-13 13:16:36,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:16:36,810 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 890 transitions. [2024-10-13 13:16:36,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-13 13:16:36,811 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:36,811 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-10-13 13:16:36,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-13 13:16:36,811 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:36,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:36,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1954850288, now seen corresponding path program 1 times [2024-10-13 13:16:36,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:36,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490634874] [2024-10-13 13:16:36,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:36,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:36,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1669516502] [2024-10-13 13:16:36,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:36,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:36,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:36,822 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:36,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-10-13 13:16:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:36,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-13 13:16:36,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:37,155 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-10-13 13:16:37,155 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:44,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:44,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490634874] [2024-10-13 13:16:44,878 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:44,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669516502] [2024-10-13 13:16:44,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669516502] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:44,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:16:44,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-13 13:16:44,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073787936] [2024-10-13 13:16:44,878 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:44,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 13:16:44,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:44,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 13:16:44,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=162, Unknown=2, NotChecked=0, Total=210 [2024-10-13 13:16:44,879 INFO L87 Difference]: Start difference. First operand 670 states and 890 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:16:45,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:45,420 INFO L93 Difference]: Finished difference Result 686 states and 896 transitions. [2024-10-13 13:16:45,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 13:16:45,421 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 100 [2024-10-13 13:16:45,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:45,423 INFO L225 Difference]: With dead ends: 686 [2024-10-13 13:16:45,423 INFO L226 Difference]: Without dead ends: 679 [2024-10-13 13:16:45,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=91, Invalid=327, Unknown=2, NotChecked=0, Total=420 [2024-10-13 13:16:45,424 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 178 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:45,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 258 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:16:45,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-10-13 13:16:45,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 554. [2024-10-13 13:16:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 444 states have (on average 1.231981981981982) internal successors, (547), 459 states have internal predecessors, (547), 93 states have call successors, (93), 1 states have call predecessors, (93), 1 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-13 13:16:45,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 733 transitions. [2024-10-13 13:16:45,480 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 733 transitions. Word has length 100 [2024-10-13 13:16:45,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:45,481 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 733 transitions. [2024-10-13 13:16:45,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-13 13:16:45,481 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 733 transitions. [2024-10-13 13:16:45,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-10-13 13:16:45,482 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:45,482 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-10-13 13:16:45,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-10-13 13:16:45,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:45,687 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:45,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:45,687 INFO L85 PathProgramCache]: Analyzing trace with hash -49069914, now seen corresponding path program 2 times [2024-10-13 13:16:45,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:45,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54089349] [2024-10-13 13:16:45,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:45,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:45,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [898076544] [2024-10-13 13:16:45,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:16:45,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:45,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:45,707 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:45,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-10-13 13:16:45,785 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:16:45,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:16:45,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 13:16:45,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:45,987 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-13 13:16:45,987 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:46,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:46,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54089349] [2024-10-13 13:16:46,340 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:46,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898076544] [2024-10-13 13:16:46,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898076544] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:46,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:16:46,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-13 13:16:46,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280715744] [2024-10-13 13:16:46,340 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:46,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:16:46,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:46,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:16:46,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:16:46,341 INFO L87 Difference]: Start difference. First operand 554 states and 733 transitions. Second operand has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-13 13:16:46,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:46,730 INFO L93 Difference]: Finished difference Result 749 states and 1003 transitions. [2024-10-13 13:16:46,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:16:46,730 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 100 [2024-10-13 13:16:46,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:46,732 INFO L225 Difference]: With dead ends: 749 [2024-10-13 13:16:46,733 INFO L226 Difference]: Without dead ends: 745 [2024-10-13 13:16:46,733 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:16:46,733 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 154 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:46,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 245 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:16:46,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2024-10-13 13:16:46,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 554. [2024-10-13 13:16:46,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 554 states, 444 states have (on average 1.204954954954955) internal successors, (535), 459 states have internal predecessors, (535), 93 states have call successors, (93), 1 states have call predecessors, (93), 1 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-10-13 13:16:46,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 721 transitions. [2024-10-13 13:16:46,774 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 721 transitions. Word has length 100 [2024-10-13 13:16:46,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:46,774 INFO L471 AbstractCegarLoop]: Abstraction has 554 states and 721 transitions. [2024-10-13 13:16:46,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2024-10-13 13:16:46,774 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 721 transitions. [2024-10-13 13:16:46,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-10-13 13:16:46,775 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:46,775 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-10-13 13:16:46,781 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-10-13 13:16:46,975 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,SelfDestructingSolverStorable30 [2024-10-13 13:16:46,976 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:46,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:46,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1747837863, now seen corresponding path program 2 times [2024-10-13 13:16:46,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:46,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242140305] [2024-10-13 13:16:46,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:46,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:47,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:16:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:47,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:16:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:47,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:16:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:47,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:16:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:47,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:16:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:47,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-13 13:16:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:47,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:16:47,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:47,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:16:47,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:47,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 13:16:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:47,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 13:16:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:47,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:16:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:16:47,045 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 13:16:47,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:47,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242140305] [2024-10-13 13:16:47,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242140305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:47,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:47,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 13:16:47,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132414111] [2024-10-13 13:16:47,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:47,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 13:16:47,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:47,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 13:16:47,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 13:16:47,047 INFO L87 Difference]: Start difference. First operand 554 states and 721 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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) [2024-10-13 13:16:47,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:47,515 INFO L93 Difference]: Finished difference Result 981 states and 1278 transitions. [2024-10-13 13:16:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 13:16:47,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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 107 [2024-10-13 13:16:47,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:47,517 INFO L225 Difference]: With dead ends: 981 [2024-10-13 13:16:47,517 INFO L226 Difference]: Without dead ends: 596 [2024-10-13 13:16:47,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-13 13:16:47,519 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 29 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:47,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 121 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:16:47,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-10-13 13:16:47,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 590. [2024-10-13 13:16:47,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 590 states, 476 states have (on average 1.203781512605042) internal successors, (573), 491 states have internal predecessors, (573), 97 states have call successors, (97), 1 states have call predecessors, (97), 1 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2024-10-13 13:16:47,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 767 transitions. [2024-10-13 13:16:47,564 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 767 transitions. Word has length 107 [2024-10-13 13:16:47,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:47,564 INFO L471 AbstractCegarLoop]: Abstraction has 590 states and 767 transitions. [2024-10-13 13:16:47,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 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) [2024-10-13 13:16:47,565 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 767 transitions. [2024-10-13 13:16:47,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-13 13:16:47,565 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:47,565 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:47,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-13 13:16:47,566 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:47,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:47,566 INFO L85 PathProgramCache]: Analyzing trace with hash -706982385, now seen corresponding path program 2 times [2024-10-13 13:16:47,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:47,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349217775] [2024-10-13 13:16:47,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:47,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:47,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [325582444] [2024-10-13 13:16:47,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:16:47,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:47,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:47,582 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:47,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-10-13 13:16:47,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:16:47,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:16:47,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:16:47,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-13 13:16:47,953 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 13:16:47,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:47,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349217775] [2024-10-13 13:16:47,953 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:47,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325582444] [2024-10-13 13:16:47,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325582444] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 13:16:47,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 13:16:47,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 13:16:47,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340160304] [2024-10-13 13:16:47,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 13:16:47,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:16:47,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:47,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:16:47,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-13 13:16:47,955 INFO L87 Difference]: Start difference. First operand 590 states and 767 transitions. Second operand has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-13 13:16:48,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:48,302 INFO L93 Difference]: Finished difference Result 775 states and 1020 transitions. [2024-10-13 13:16:48,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 13:16:48,303 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 135 [2024-10-13 13:16:48,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:48,305 INFO L225 Difference]: With dead ends: 775 [2024-10-13 13:16:48,305 INFO L226 Difference]: Without dead ends: 772 [2024-10-13 13:16:48,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:16:48,306 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 169 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:48,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 306 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 13:16:48,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2024-10-13 13:16:48,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 443. [2024-10-13 13:16:48,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 355 states have (on average 1.1605633802816901) internal successors, (412), 367 states have internal predecessors, (412), 74 states have call successors, (74), 1 states have call predecessors, (74), 1 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-10-13 13:16:48,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 560 transitions. [2024-10-13 13:16:48,342 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 560 transitions. Word has length 135 [2024-10-13 13:16:48,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:48,342 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 560 transitions. [2024-10-13 13:16:48,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.555555555555555) internal successors, (68), 10 states have internal predecessors, (68), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-13 13:16:48,342 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 560 transitions. [2024-10-13 13:16:48,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 13:16:48,343 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:48,343 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:48,356 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-10-13 13:16:48,544 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,SelfDestructingSolverStorable32 [2024-10-13 13:16:48,544 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:48,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:48,545 INFO L85 PathProgramCache]: Analyzing trace with hash -441617398, now seen corresponding path program 2 times [2024-10-13 13:16:48,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:48,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777238330] [2024-10-13 13:16:48,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:48,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:48,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752414628] [2024-10-13 13:16:48,559 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:16:48,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:48,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:48,561 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:48,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-10-13 13:16:48,609 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:16:48,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:16:48,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:16:48,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:48,904 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-13 13:16:48,904 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:49,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:49,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777238330] [2024-10-13 13:16:49,362 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:49,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752414628] [2024-10-13 13:16:49,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752414628] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:49,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:16:49,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-13 13:16:49,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154971880] [2024-10-13 13:16:49,363 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:49,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:16:49,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:49,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:16:49,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-13 13:16:49,365 INFO L87 Difference]: Start difference. First operand 443 states and 560 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-13 13:16:49,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:49,610 INFO L93 Difference]: Finished difference Result 528 states and 666 transitions. [2024-10-13 13:16:49,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 13:16:49,611 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 136 [2024-10-13 13:16:49,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:49,612 INFO L225 Difference]: With dead ends: 528 [2024-10-13 13:16:49,612 INFO L226 Difference]: Without dead ends: 525 [2024-10-13 13:16:49,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:16:49,613 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 170 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:49,613 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 183 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 13:16:49,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-10-13 13:16:49,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 510. [2024-10-13 13:16:49,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 410 states have (on average 1.1585365853658536) internal successors, (475), 422 states have internal predecessors, (475), 86 states have call successors, (86), 1 states have call predecessors, (86), 1 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2024-10-13 13:16:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 647 transitions. [2024-10-13 13:16:49,657 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 647 transitions. Word has length 136 [2024-10-13 13:16:49,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:49,657 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 647 transitions. [2024-10-13 13:16:49,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-10-13 13:16:49,658 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 647 transitions. [2024-10-13 13:16:49,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-13 13:16:49,659 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:49,660 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:49,672 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-10-13 13:16:49,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:49,864 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:49,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:49,864 INFO L85 PathProgramCache]: Analyzing trace with hash 807444716, now seen corresponding path program 2 times [2024-10-13 13:16:49,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:49,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622642001] [2024-10-13 13:16:49,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:49,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:49,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1635536753] [2024-10-13 13:16:49,874 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:16:49,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:49,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:49,876 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:49,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-10-13 13:16:49,922 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:16:49,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:16:49,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-13 13:16:49,925 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:50,273 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-13 13:16:50,274 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:51,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:51,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622642001] [2024-10-13 13:16:51,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:51,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635536753] [2024-10-13 13:16:51,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635536753] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:51,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:16:51,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-13 13:16:51,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644123153] [2024-10-13 13:16:51,822 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:51,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:16:51,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:51,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:16:51,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-10-13 13:16:51,824 INFO L87 Difference]: Start difference. First operand 510 states and 647 transitions. Second operand has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 13:16:52,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:52,256 INFO L93 Difference]: Finished difference Result 530 states and 657 transitions. [2024-10-13 13:16:52,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:16:52,257 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 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 138 [2024-10-13 13:16:52,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:52,259 INFO L225 Difference]: With dead ends: 530 [2024-10-13 13:16:52,259 INFO L226 Difference]: Without dead ends: 523 [2024-10-13 13:16:52,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2024-10-13 13:16:52,259 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 86 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:52,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 254 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:16:52,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-10-13 13:16:52,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 394. [2024-10-13 13:16:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 315 states have (on average 1.1523809523809523) internal successors, (363), 327 states have internal predecessors, (363), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-13 13:16:52,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 493 transitions. [2024-10-13 13:16:52,297 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 493 transitions. Word has length 138 [2024-10-13 13:16:52,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:52,298 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 493 transitions. [2024-10-13 13:16:52,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.454545454545454) internal successors, (71), 12 states have internal predecessors, (71), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-10-13 13:16:52,298 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 493 transitions. [2024-10-13 13:16:52,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-10-13 13:16:52,299 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:52,299 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:52,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-10-13 13:16:52,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:52,502 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:52,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:52,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1581742206, now seen corresponding path program 3 times [2024-10-13 13:16:52,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:52,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234698779] [2024-10-13 13:16:52,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:52,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:52,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [791265879] [2024-10-13 13:16:52,525 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:16:52,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:52,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:52,527 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:52,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-13 13:16:52,572 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-13 13:16:52,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:16:52,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-13 13:16:52,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:52,837 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 45 proven. 17 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-10-13 13:16:52,837 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:53,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:53,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234698779] [2024-10-13 13:16:53,174 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:53,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791265879] [2024-10-13 13:16:53,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791265879] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:53,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:16:53,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-10-13 13:16:53,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714853272] [2024-10-13 13:16:53,175 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:53,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 13:16:53,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:53,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 13:16:53,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-10-13 13:16:53,175 INFO L87 Difference]: Start difference. First operand 394 states and 493 transitions. Second operand has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:16:53,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:53,697 INFO L93 Difference]: Finished difference Result 480 states and 602 transitions. [2024-10-13 13:16:53,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 13:16:53,697 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 138 [2024-10-13 13:16:53,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:53,699 INFO L225 Difference]: With dead ends: 480 [2024-10-13 13:16:53,699 INFO L226 Difference]: Without dead ends: 476 [2024-10-13 13:16:53,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=257, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:16:53,700 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 255 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:53,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 222 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:16:53,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-10-13 13:16:53,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 390. [2024-10-13 13:16:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 311 states have (on average 1.1414790996784565) internal successors, (355), 323 states have internal predecessors, (355), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-13 13:16:53,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 485 transitions. [2024-10-13 13:16:53,737 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 485 transitions. Word has length 138 [2024-10-13 13:16:53,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:53,737 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 485 transitions. [2024-10-13 13:16:53,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-13 13:16:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 485 transitions. [2024-10-13 13:16:53,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-13 13:16:53,738 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:53,738 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:53,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-10-13 13:16:53,938 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,SelfDestructingSolverStorable35 [2024-10-13 13:16:53,939 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:53,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:53,939 INFO L85 PathProgramCache]: Analyzing trace with hash 129002827, now seen corresponding path program 3 times [2024-10-13 13:16:53,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:53,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806394829] [2024-10-13 13:16:53,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:53,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:53,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1918060465] [2024-10-13 13:16:53,950 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:16:53,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:53,951 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:53,953 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:53,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-13 13:16:54,047 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-13 13:16:54,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:16:54,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-13 13:16:54,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:16:54,720 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 99 proven. 61 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-10-13 13:16:54,721 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:16:57,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:16:57,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806394829] [2024-10-13 13:16:57,413 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:16:57,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918060465] [2024-10-13 13:16:57,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918060465] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:16:57,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:16:57,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-10-13 13:16:57,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478295987] [2024-10-13 13:16:57,414 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:16:57,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 13:16:57,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:16:57,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 13:16:57,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2024-10-13 13:16:57,414 INFO L87 Difference]: Start difference. First operand 390 states and 485 transitions. Second operand has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-13 13:16:59,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:16:59,521 INFO L93 Difference]: Finished difference Result 410 states and 509 transitions. [2024-10-13 13:16:59,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-13 13:16:59,521 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 145 [2024-10-13 13:16:59,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:16:59,523 INFO L225 Difference]: With dead ends: 410 [2024-10-13 13:16:59,523 INFO L226 Difference]: Without dead ends: 394 [2024-10-13 13:16:59,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=234, Invalid=758, Unknown=0, NotChecked=0, Total=992 [2024-10-13 13:16:59,524 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 223 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:16:59,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 123 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-13 13:16:59,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-10-13 13:16:59,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 326. [2024-10-13 13:16:59,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 264 states have (on average 1.0795454545454546) internal successors, (285), 271 states have internal predecessors, (285), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-10-13 13:16:59,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 391 transitions. [2024-10-13 13:16:59,557 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 391 transitions. Word has length 145 [2024-10-13 13:16:59,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:16:59,558 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 391 transitions. [2024-10-13 13:16:59,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.583333333333333) internal successors, (67), 13 states have internal predecessors, (67), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-13 13:16:59,558 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 391 transitions. [2024-10-13 13:16:59,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-13 13:16:59,560 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:16:59,560 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:16:59,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-10-13 13:16:59,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-10-13 13:16:59,760 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:16:59,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:16:59,761 INFO L85 PathProgramCache]: Analyzing trace with hash -582332947, now seen corresponding path program 3 times [2024-10-13 13:16:59,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:16:59,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900793822] [2024-10-13 13:16:59,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:16:59,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:16:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:16:59,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1260097087] [2024-10-13 13:16:59,775 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:16:59,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:16:59,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:16:59,777 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:16:59,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-10-13 13:16:59,820 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-13 13:16:59,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:16:59,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-13 13:16:59,823 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:17:00,074 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 66 proven. 64 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2024-10-13 13:17:00,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:17:00,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:17:00,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900793822] [2024-10-13 13:17:00,231 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:17:00,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260097087] [2024-10-13 13:17:00,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260097087] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:17:00,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:17:00,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-10-13 13:17:00,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403713738] [2024-10-13 13:17:00,231 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:17:00,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 13:17:00,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:17:00,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 13:17:00,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:17:00,232 INFO L87 Difference]: Start difference. First operand 326 states and 391 transitions. Second operand has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-13 13:17:00,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:17:00,853 INFO L93 Difference]: Finished difference Result 329 states and 394 transitions. [2024-10-13 13:17:00,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 13:17:00,853 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 147 [2024-10-13 13:17:00,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:17:00,855 INFO L225 Difference]: With dead ends: 329 [2024-10-13 13:17:00,855 INFO L226 Difference]: Without dead ends: 316 [2024-10-13 13:17:00,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2024-10-13 13:17:00,856 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 159 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:17:00,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 77 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:17:00,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-10-13 13:17:00,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 301. [2024-10-13 13:17:00,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 242 states have (on average 1.0743801652892562) internal successors, (260), 248 states have internal predecessors, (260), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2024-10-13 13:17:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 362 transitions. [2024-10-13 13:17:00,890 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 362 transitions. Word has length 147 [2024-10-13 13:17:00,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:17:00,892 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 362 transitions. [2024-10-13 13:17:00,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 4 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-13 13:17:00,892 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 362 transitions. [2024-10-13 13:17:00,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-10-13 13:17:00,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:17:00,894 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:17:00,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-10-13 13:17:01,094 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,SelfDestructingSolverStorable37 [2024-10-13 13:17:01,094 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:17:01,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:17:01,095 INFO L85 PathProgramCache]: Analyzing trace with hash 777106147, now seen corresponding path program 2 times [2024-10-13 13:17:01,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:17:01,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163541647] [2024-10-13 13:17:01,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:17:01,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:17:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:17:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:17:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:17:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:17:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:17:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:17:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:17:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:17:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:17:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 13:17:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:17:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 13:17:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 13:17:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 13:17:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:17:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 13:17:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 13:17:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 13:17:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 13:17:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 13:17:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 13:17:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-13 13:17:01,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:17:01,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163541647] [2024-10-13 13:17:01,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163541647] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:17:01,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324124758] [2024-10-13 13:17:01,241 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:17:01,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:01,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:17:01,243 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:17:01,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-10-13 13:17:01,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:17:01,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:17:01,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 13:17:01,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:17:01,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-13 13:17:01,408 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:17:01,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1016 backedges. 0 proven. 176 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-13 13:17:01,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324124758] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:17:01,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:17:01,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-10-13 13:17:01,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010226075] [2024-10-13 13:17:01,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:17:01,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 13:17:01,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:17:01,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 13:17:01,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=105, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:17:01,614 INFO L87 Difference]: Start difference. First operand 301 states and 362 transitions. Second operand has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 14 states have internal predecessors, (175), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-10-13 13:17:02,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:17:02,116 INFO L93 Difference]: Finished difference Result 767 states and 919 transitions. [2024-10-13 13:17:02,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 13:17:02,117 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 14 states have internal predecessors, (175), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) Word has length 196 [2024-10-13 13:17:02,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:17:02,120 INFO L225 Difference]: With dead ends: 767 [2024-10-13 13:17:02,120 INFO L226 Difference]: Without dead ends: 766 [2024-10-13 13:17:02,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=143, Unknown=0, NotChecked=0, Total=240 [2024-10-13 13:17:02,120 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 377 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:17:02,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 341 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:17:02,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2024-10-13 13:17:02,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 564. [2024-10-13 13:17:02,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 457 states have (on average 1.1159737417943107) internal successors, (510), 463 states have internal predecessors, (510), 99 states have call successors, (99), 1 states have call predecessors, (99), 1 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-13 13:17:02,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 708 transitions. [2024-10-13 13:17:02,185 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 708 transitions. Word has length 196 [2024-10-13 13:17:02,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:17:02,186 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 708 transitions. [2024-10-13 13:17:02,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 14 states have internal predecessors, (175), 13 states have call successors, (40), 1 states have call predecessors, (40), 1 states have return successors, (40), 13 states have call predecessors, (40), 13 states have call successors, (40) [2024-10-13 13:17:02,186 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 708 transitions. [2024-10-13 13:17:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 13:17:02,187 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:17:02,187 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-10-13 13:17:02,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-10-13 13:17:02,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-10-13 13:17:02,387 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:17:02,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:17:02,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1448699253, now seen corresponding path program 1 times [2024-10-13 13:17:02,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:17:02,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68860294] [2024-10-13 13:17:02,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:17:02,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:17:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:17:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:17:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:17:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:17:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:17:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:17:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:17:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:17:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:17:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 13:17:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:17:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 13:17:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-13 13:17:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-13 13:17:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-13 13:17:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 13:17:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 13:17:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 13:17:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 13:17:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 13:17:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 13:17:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 13:17:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 13:17:02,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:17:02,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68860294] [2024-10-13 13:17:02,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68860294] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:17:02,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035836664] [2024-10-13 13:17:02,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:17:02,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:02,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:17:02,568 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:17:02,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-10-13 13:17:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:02,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 13:17:02,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:17:02,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 558 proven. 39 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2024-10-13 13:17:02,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:17:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 110 proven. 39 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-10-13 13:17:02,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035836664] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:17:02,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:17:02,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2024-10-13 13:17:02,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399358218] [2024-10-13 13:17:02,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:17:02,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-13 13:17:02,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:17:02,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-13 13:17:02,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:17:02,890 INFO L87 Difference]: Start difference. First operand 564 states and 708 transitions. Second operand has 15 states, 15 states have (on average 12.8) internal successors, (192), 15 states have internal predecessors, (192), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2024-10-13 13:17:03,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:17:03,581 INFO L93 Difference]: Finished difference Result 923 states and 1159 transitions. [2024-10-13 13:17:03,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-13 13:17:03,581 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.8) internal successors, (192), 15 states have internal predecessors, (192), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) Word has length 211 [2024-10-13 13:17:03,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:17:03,583 INFO L225 Difference]: With dead ends: 923 [2024-10-13 13:17:03,584 INFO L226 Difference]: Without dead ends: 603 [2024-10-13 13:17:03,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 457 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2024-10-13 13:17:03,585 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 172 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 835 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:17:03,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 419 Invalid, 875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 835 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:17:03,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-10-13 13:17:03,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 595. [2024-10-13 13:17:03,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 483 states have (on average 1.1097308488612836) internal successors, (536), 489 states have internal predecessors, (536), 104 states have call successors, (104), 1 states have call predecessors, (104), 1 states have return successors, (104), 104 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-13 13:17:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 744 transitions. [2024-10-13 13:17:03,649 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 744 transitions. Word has length 211 [2024-10-13 13:17:03,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:17:03,649 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 744 transitions. [2024-10-13 13:17:03,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.8) internal successors, (192), 15 states have internal predecessors, (192), 13 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 13 states have call predecessors, (44), 13 states have call successors, (44) [2024-10-13 13:17:03,649 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 744 transitions. [2024-10-13 13:17:03,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-13 13:17:03,650 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:17:03,651 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-10-13 13:17:03,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-10-13 13:17:03,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-10-13 13:17:03,851 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:17:03,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:17:03,851 INFO L85 PathProgramCache]: Analyzing trace with hash 867583387, now seen corresponding path program 2 times [2024-10-13 13:17:03,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:17:03,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785963046] [2024-10-13 13:17:03,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:17:03,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:17:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:03,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:17:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:03,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:17:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:03,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:17:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:03,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:17:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:03,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:17:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:03,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:17:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:03,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:17:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:17:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:17:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 13:17:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:17:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 13:17:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 13:17:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 13:17:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:17:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 13:17:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 13:17:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 13:17:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 13:17:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 13:17:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 13:17:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 13:17:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 13:17:04,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:17:04,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785963046] [2024-10-13 13:17:04,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785963046] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:17:04,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62109949] [2024-10-13 13:17:04,029 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:17:04,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:04,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:17:04,031 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:17:04,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-10-13 13:17:04,092 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:17:04,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:17:04,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:17:04,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:17:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 13:17:04,378 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:17:04,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-10-13 13:17:04,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62109949] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:17:04,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:17:04,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-10-13 13:17:04,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906604521] [2024-10-13 13:17:04,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:17:04,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-13 13:17:04,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:17:04,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-13 13:17:04,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=292, Unknown=0, NotChecked=0, Total=462 [2024-10-13 13:17:04,647 INFO L87 Difference]: Start difference. First operand 595 states and 744 transitions. Second operand has 22 states, 21 states have (on average 14.047619047619047) internal successors, (295), 22 states have internal predecessors, (295), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-10-13 13:17:05,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:17:05,412 INFO L93 Difference]: Finished difference Result 1497 states and 1907 transitions. [2024-10-13 13:17:05,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-10-13 13:17:05,413 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 14.047619047619047) internal successors, (295), 22 states have internal predecessors, (295), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) Word has length 211 [2024-10-13 13:17:05,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:17:05,417 INFO L225 Difference]: With dead ends: 1497 [2024-10-13 13:17:05,417 INFO L226 Difference]: Without dead ends: 1426 [2024-10-13 13:17:05,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=537, Invalid=869, Unknown=0, NotChecked=0, Total=1406 [2024-10-13 13:17:05,418 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 981 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 13:17:05,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [995 Valid, 404 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 13:17:05,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2024-10-13 13:17:05,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 787. [2024-10-13 13:17:05,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 641 states have (on average 1.1014040561622465) internal successors, (706), 647 states have internal predecessors, (706), 138 states have call successors, (138), 1 states have call predecessors, (138), 1 states have return successors, (138), 138 states have call predecessors, (138), 138 states have call successors, (138) [2024-10-13 13:17:05,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 982 transitions. [2024-10-13 13:17:05,526 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 982 transitions. Word has length 211 [2024-10-13 13:17:05,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:17:05,526 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 982 transitions. [2024-10-13 13:17:05,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 14.047619047619047) internal successors, (295), 22 states have internal predecessors, (295), 20 states have call successors, (64), 1 states have call predecessors, (64), 1 states have return successors, (64), 20 states have call predecessors, (64), 20 states have call successors, (64) [2024-10-13 13:17:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 982 transitions. [2024-10-13 13:17:05,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-10-13 13:17:05,528 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:17:05,528 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:17:05,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-10-13 13:17:05,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:05,729 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:17:05,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:17:05,729 INFO L85 PathProgramCache]: Analyzing trace with hash 2055082335, now seen corresponding path program 1 times [2024-10-13 13:17:05,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:17:05,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642473323] [2024-10-13 13:17:05,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:17:05,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:17:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:17:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:17:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:17:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:17:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:17:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:17:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:17:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:17:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:17:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 13:17:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:17:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 13:17:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 13:17:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-13 13:17:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:17:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 13:17:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-13 13:17:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-13 13:17:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-13 13:17:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 13:17:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 13:17:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 13:17:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 13:17:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 13:17:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 13:17:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 13:17:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 13:17:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 64 proven. 249 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 13:17:05,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:17:05,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642473323] [2024-10-13 13:17:05,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642473323] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:17:05,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028330937] [2024-10-13 13:17:05,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:17:05,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:05,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:17:05,924 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:17:05,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-10-13 13:17:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:06,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-13 13:17:06,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:17:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 584 proven. 157 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2024-10-13 13:17:06,155 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:17:06,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 144 proven. 157 refuted. 0 times theorem prover too weak. 1416 trivial. 0 not checked. [2024-10-13 13:17:06,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028330937] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:17:06,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:17:06,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 14 [2024-10-13 13:17:06,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858219227] [2024-10-13 13:17:06,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:17:06,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 13:17:06,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:17:06,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 13:17:06,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:17:06,350 INFO L87 Difference]: Start difference. First operand 787 states and 982 transitions. Second operand has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-10-13 13:17:07,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:17:07,097 INFO L93 Difference]: Finished difference Result 1484 states and 1846 transitions. [2024-10-13 13:17:07,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-13 13:17:07,097 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) Word has length 261 [2024-10-13 13:17:07,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:17:07,100 INFO L225 Difference]: With dead ends: 1484 [2024-10-13 13:17:07,100 INFO L226 Difference]: Without dead ends: 892 [2024-10-13 13:17:07,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 568 SyntacticMatches, 6 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2024-10-13 13:17:07,103 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 136 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:17:07,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 751 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:17:07,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2024-10-13 13:17:07,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 856. [2024-10-13 13:17:07,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 696 states have (on average 1.0919540229885059) internal successors, (760), 702 states have internal predecessors, (760), 152 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2024-10-13 13:17:07,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1064 transitions. [2024-10-13 13:17:07,213 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1064 transitions. Word has length 261 [2024-10-13 13:17:07,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:17:07,213 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1064 transitions. [2024-10-13 13:17:07,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.071428571428571) internal successors, (183), 14 states have internal predecessors, (183), 12 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 12 states have call predecessors, (44), 12 states have call successors, (44) [2024-10-13 13:17:07,213 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1064 transitions. [2024-10-13 13:17:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2024-10-13 13:17:07,215 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:17:07,215 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:17:07,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-10-13 13:17:07,415 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,SelfDestructingSolverStorable41 [2024-10-13 13:17:07,415 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:17:07,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:17:07,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1467471363, now seen corresponding path program 2 times [2024-10-13 13:17:07,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:17:07,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926882302] [2024-10-13 13:17:07,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:17:07,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:17:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:17:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:17:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:17:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:17:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:17:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:17:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:17:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:17:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:17:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 13:17:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:17:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 13:17:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 13:17:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 13:17:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:17:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 13:17:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 13:17:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-13 13:17:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 13:17:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 13:17:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2024-10-13 13:17:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-13 13:17:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-13 13:17:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 13:17:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 13:17:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 13:17:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 13:17:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-13 13:17:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 13:17:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 13:17:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-13 13:17:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:07,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 76 proven. 363 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 13:17:07,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:17:07,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926882302] [2024-10-13 13:17:07,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926882302] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:17:07,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305327543] [2024-10-13 13:17:07,639 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 13:17:07,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:07,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:17:07,641 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:17:07,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-10-13 13:17:07,764 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 13:17:07,765 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:17:07,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-13 13:17:07,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:17:07,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 196 proven. 363 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-13 13:17:07,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:17:08,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 76 proven. 363 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-10-13 13:17:08,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305327543] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:17:08,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:17:08,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 14 [2024-10-13 13:17:08,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241955477] [2024-10-13 13:17:08,204 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:17:08,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-13 13:17:08,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:17:08,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-13 13:17:08,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-10-13 13:17:08,205 INFO L87 Difference]: Start difference. First operand 856 states and 1064 transitions. Second operand has 14 states, 14 states have (on average 13.0) internal successors, (182), 14 states have internal predecessors, (182), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-13 13:17:09,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:17:09,195 INFO L93 Difference]: Finished difference Result 1511 states and 1877 transitions. [2024-10-13 13:17:09,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-10-13 13:17:09,196 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 13.0) internal successors, (182), 14 states have internal predecessors, (182), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 299 [2024-10-13 13:17:09,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:17:09,199 INFO L225 Difference]: With dead ends: 1511 [2024-10-13 13:17:09,199 INFO L226 Difference]: Without dead ends: 913 [2024-10-13 13:17:09,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 651 SyntacticMatches, 9 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=573, Unknown=0, NotChecked=0, Total=756 [2024-10-13 13:17:09,201 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 182 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 1637 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 1680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 13:17:09,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 940 Invalid, 1680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1637 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 13:17:09,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2024-10-13 13:17:09,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 825. [2024-10-13 13:17:09,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 668 states have (on average 1.0883233532934131) internal successors, (727), 674 states have internal predecessors, (727), 149 states have call successors, (149), 1 states have call predecessors, (149), 1 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-10-13 13:17:09,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1025 transitions. [2024-10-13 13:17:09,313 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1025 transitions. Word has length 299 [2024-10-13 13:17:09,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:17:09,314 INFO L471 AbstractCegarLoop]: Abstraction has 825 states and 1025 transitions. [2024-10-13 13:17:09,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.0) internal successors, (182), 14 states have internal predecessors, (182), 12 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-10-13 13:17:09,314 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1025 transitions. [2024-10-13 13:17:09,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-10-13 13:17:09,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:17:09,317 INFO L215 NwaCegarLoop]: trace histogram [35, 35, 35, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:17:09,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-10-13 13:17:09,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:09,522 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:17:09,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:17:09,522 INFO L85 PathProgramCache]: Analyzing trace with hash 865927079, now seen corresponding path program 3 times [2024-10-13 13:17:09,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:17:09,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871534524] [2024-10-13 13:17:09,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:17:09,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:17:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-13 13:17:09,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936554244] [2024-10-13 13:17:09,559 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:17:09,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:09,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:17:09,560 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:17:09,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-10-13 13:17:09,659 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-13 13:17:09,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:17:09,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-13 13:17:09,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:17:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2967 backedges. 405 proven. 48 refuted. 0 times theorem prover too weak. 2514 trivial. 0 not checked. [2024-10-13 13:17:10,162 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:17:10,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:17:10,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871534524] [2024-10-13 13:17:10,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-13 13:17:10,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936554244] [2024-10-13 13:17:10,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936554244] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:17:10,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-13 13:17:10,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-10-13 13:17:10,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744832950] [2024-10-13 13:17:10,334 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-13 13:17:10,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 13:17:10,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:17:10,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 13:17:10,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-10-13 13:17:10,335 INFO L87 Difference]: Start difference. First operand 825 states and 1025 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-13 13:17:11,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:17:11,007 INFO L93 Difference]: Finished difference Result 826 states and 1025 transitions. [2024-10-13 13:17:11,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-13 13:17:11,007 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 337 [2024-10-13 13:17:11,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:17:11,010 INFO L225 Difference]: With dead ends: 826 [2024-10-13 13:17:11,010 INFO L226 Difference]: Without dead ends: 822 [2024-10-13 13:17:11,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2024-10-13 13:17:11,011 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 107 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:17:11,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 265 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 669 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-13 13:17:11,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-10-13 13:17:11,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 821. [2024-10-13 13:17:11,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 668 states have (on average 1.0494011976047903) internal successors, (701), 670 states have internal predecessors, (701), 149 states have call successors, (149), 1 states have call predecessors, (149), 1 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-10-13 13:17:11,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 999 transitions. [2024-10-13 13:17:11,130 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 999 transitions. Word has length 337 [2024-10-13 13:17:11,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:17:11,130 INFO L471 AbstractCegarLoop]: Abstraction has 821 states and 999 transitions. [2024-10-13 13:17:11,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-10-13 13:17:11,130 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 999 transitions. [2024-10-13 13:17:11,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2024-10-13 13:17:11,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:17:11,132 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:17:11,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-10-13 13:17:11,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:11,333 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:17:11,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:17:11,333 INFO L85 PathProgramCache]: Analyzing trace with hash 828479127, now seen corresponding path program 1 times [2024-10-13 13:17:11,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:17:11,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099987723] [2024-10-13 13:17:11,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:17:11,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:17:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:17:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:17:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:17:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:17:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:17:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:17:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:17:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:17:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:17:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 13:17:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:17:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 13:17:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 13:17:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 13:17:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:17:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 13:17:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 13:17:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 13:17:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 13:17:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 13:17:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 13:17:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 13:17:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 13:17:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 13:17:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 13:17:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 13:17:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 13:17:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-13 13:17:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 13:17:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 13:17:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-13 13:17:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-13 13:17:11,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 13:17:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-13 13:17:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-13 13:17:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-13 13:17:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-13 13:17:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-13 13:17:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-10-13 13:17:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-10-13 13:17:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-13 13:17:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-13 13:17:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4282 backedges. 378 proven. 171 refuted. 0 times theorem prover too weak. 3733 trivial. 0 not checked. [2024-10-13 13:17:11,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:17:11,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099987723] [2024-10-13 13:17:11,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099987723] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:17:11,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562491524] [2024-10-13 13:17:11,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:17:11,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:11,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:17:11,548 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:17:11,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-10-13 13:17:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:11,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 13:17:11,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:17:11,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4282 backedges. 789 proven. 657 refuted. 0 times theorem prover too weak. 2836 trivial. 0 not checked. [2024-10-13 13:17:11,918 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:17:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4282 backedges. 181 proven. 657 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-13 13:17:12,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562491524] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:17:12,288 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:17:12,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 13, 13] total 23 [2024-10-13 13:17:12,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073974777] [2024-10-13 13:17:12,288 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:17:12,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-13 13:17:12,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:17:12,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-13 13:17:12,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=455, Unknown=0, NotChecked=0, Total=506 [2024-10-13 13:17:12,290 INFO L87 Difference]: Start difference. First operand 821 states and 999 transitions. Second operand has 23 states, 23 states have (on average 13.91304347826087) internal successors, (320), 23 states have internal predecessors, (320), 19 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (73), 19 states have call predecessors, (73), 19 states have call successors, (73) [2024-10-13 13:17:15,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:17:15,132 INFO L93 Difference]: Finished difference Result 1624 states and 1969 transitions. [2024-10-13 13:17:15,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-10-13 13:17:15,132 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 13.91304347826087) internal successors, (320), 23 states have internal predecessors, (320), 19 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (73), 19 states have call predecessors, (73), 19 states have call successors, (73) Word has length 396 [2024-10-13 13:17:15,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:17:15,136 INFO L225 Difference]: With dead ends: 1624 [2024-10-13 13:17:15,137 INFO L226 Difference]: Without dead ends: 1221 [2024-10-13 13:17:15,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 951 GetRequests, 862 SyntacticMatches, 7 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1768 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1424, Invalid=5548, Unknown=0, NotChecked=0, Total=6972 [2024-10-13 13:17:15,139 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 789 mSDsluCounter, 1680 mSDsCounter, 0 mSdLazyCounter, 3671 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 3863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 3671 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-13 13:17:15,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 1848 Invalid, 3863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 3671 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-13 13:17:15,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2024-10-13 13:17:15,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1006. [2024-10-13 13:17:15,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 820 states have (on average 1.0390243902439025) internal successors, (852), 821 states have internal predecessors, (852), 183 states have call successors, (183), 1 states have call predecessors, (183), 1 states have return successors, (183), 183 states have call predecessors, (183), 183 states have call successors, (183) [2024-10-13 13:17:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1218 transitions. [2024-10-13 13:17:15,291 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1218 transitions. Word has length 396 [2024-10-13 13:17:15,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:17:15,292 INFO L471 AbstractCegarLoop]: Abstraction has 1006 states and 1218 transitions. [2024-10-13 13:17:15,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 13.91304347826087) internal successors, (320), 23 states have internal predecessors, (320), 19 states have call successors, (73), 2 states have call predecessors, (73), 2 states have return successors, (73), 19 states have call predecessors, (73), 19 states have call successors, (73) [2024-10-13 13:17:15,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1218 transitions. [2024-10-13 13:17:15,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-10-13 13:17:15,294 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:17:15,294 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-13 13:17:15,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-10-13 13:17:15,495 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,SelfDestructingSolverStorable44 [2024-10-13 13:17:15,495 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:17:15,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:17:15,495 INFO L85 PathProgramCache]: Analyzing trace with hash -651699385, now seen corresponding path program 3 times [2024-10-13 13:17:15,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:17:15,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584537794] [2024-10-13 13:17:15,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:17:15,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:17:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:17:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:17:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:17:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:17:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:17:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:17:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:17:15,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:17:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:17:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 13:17:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:17:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 13:17:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 13:17:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 13:17:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:17:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 13:17:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 13:17:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 13:17:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 13:17:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 13:17:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 13:17:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 13:17:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 13:17:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 13:17:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 13:17:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 13:17:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-13 13:17:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-13 13:17:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 13:17:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-13 13:17:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-13 13:17:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-13 13:17:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-13 13:17:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2024-10-13 13:17:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-13 13:17:15,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-13 13:17:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-13 13:17:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-13 13:17:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-10-13 13:17:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-10-13 13:17:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-13 13:17:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-13 13:17:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4295 backedges. 0 proven. 851 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-13 13:17:15,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:17:15,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584537794] [2024-10-13 13:17:15,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584537794] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:17:15,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210365326] [2024-10-13 13:17:15,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:17:15,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:15,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:17:15,862 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:17:15,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-10-13 13:17:15,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-13 13:17:15,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:17:15,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-10-13 13:17:15,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:17:16,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4295 backedges. 358 proven. 403 refuted. 0 times theorem prover too weak. 3534 trivial. 0 not checked. [2024-10-13 13:17:16,834 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:17:17,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210365326] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:17:17,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-13 13:17:17,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 29 [2024-10-13 13:17:17,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715220313] [2024-10-13 13:17:17,904 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-13 13:17:17,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-13 13:17:17,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:17:17,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-13 13:17:17,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=1125, Unknown=0, NotChecked=0, Total=1406 [2024-10-13 13:17:17,906 INFO L87 Difference]: Start difference. First operand 1006 states and 1218 transitions. Second operand has 30 states, 28 states have (on average 9.714285714285714) internal successors, (272), 29 states have internal predecessors, (272), 18 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (57), 17 states have call predecessors, (57), 18 states have call successors, (57) [2024-10-13 13:17:25,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:17:25,516 INFO L93 Difference]: Finished difference Result 1546 states and 1874 transitions. [2024-10-13 13:17:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-10-13 13:17:25,516 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 9.714285714285714) internal successors, (272), 29 states have internal predecessors, (272), 18 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (57), 17 states have call predecessors, (57), 18 states have call successors, (57) Word has length 401 [2024-10-13 13:17:25,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:17:25,521 INFO L225 Difference]: With dead ends: 1546 [2024-10-13 13:17:25,522 INFO L226 Difference]: Without dead ends: 1514 [2024-10-13 13:17:25,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2984 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=1693, Invalid=7813, Unknown=0, NotChecked=0, Total=9506 [2024-10-13 13:17:25,524 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 516 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 523 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-13 13:17:25,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [523 Valid, 318 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-13 13:17:25,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1514 states. [2024-10-13 13:17:25,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1514 to 1293. [2024-10-13 13:17:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1293 states, 1058 states have (on average 1.0396975425330812) internal successors, (1100), 1059 states have internal predecessors, (1100), 232 states have call successors, (232), 1 states have call predecessors, (232), 1 states have return successors, (232), 232 states have call predecessors, (232), 232 states have call successors, (232) [2024-10-13 13:17:25,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 1293 states and 1564 transitions. [2024-10-13 13:17:25,734 INFO L78 Accepts]: Start accepts. Automaton has 1293 states and 1564 transitions. Word has length 401 [2024-10-13 13:17:25,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:17:25,735 INFO L471 AbstractCegarLoop]: Abstraction has 1293 states and 1564 transitions. [2024-10-13 13:17:25,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 9.714285714285714) internal successors, (272), 29 states have internal predecessors, (272), 18 states have call successors, (57), 1 states have call predecessors, (57), 2 states have return successors, (57), 17 states have call predecessors, (57), 18 states have call successors, (57) [2024-10-13 13:17:25,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1564 transitions. [2024-10-13 13:17:25,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-10-13 13:17:25,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:17:25,737 INFO L215 NwaCegarLoop]: trace histogram [43, 43, 43, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-13 13:17:25,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-10-13 13:17:25,938 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,SelfDestructingSolverStorable45 [2024-10-13 13:17:25,938 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:17:25,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:17:25,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1209509518, now seen corresponding path program 4 times [2024-10-13 13:17:25,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:17:25,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156999206] [2024-10-13 13:17:25,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:17:25,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:17:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:17:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:17:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:17:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:17:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:17:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:17:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:17:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:17:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:17:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 13:17:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:17:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 13:17:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 13:17:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 13:17:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:17:26,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 13:17:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 13:17:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 13:17:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 13:17:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 13:17:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 13:17:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-10-13 13:17:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 13:17:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 13:17:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-13 13:17:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-13 13:17:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-13 13:17:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-13 13:17:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 13:17:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 13:17:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-13 13:17:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-13 13:17:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 13:17:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-13 13:17:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-13 13:17:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-13 13:17:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-13 13:17:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2024-10-13 13:17:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-10-13 13:17:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2024-10-13 13:17:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-13 13:17:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2024-10-13 13:17:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2024-10-13 13:17:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4428 backedges. 0 proven. 816 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-13 13:17:26,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:17:26,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156999206] [2024-10-13 13:17:26,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156999206] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:17:26,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041545908] [2024-10-13 13:17:26,323 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-13 13:17:26,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:26,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:17:26,325 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:17:26,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-10-13 13:17:26,421 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-13 13:17:26,421 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:17:26,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-13 13:17:26,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:17:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4428 backedges. 0 proven. 816 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-13 13:17:26,879 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:17:27,300 INFO L134 CoverageAnalysis]: Checked inductivity of 4428 backedges. 0 proven. 816 refuted. 0 times theorem prover too weak. 3612 trivial. 0 not checked. [2024-10-13 13:17:27,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041545908] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:17:27,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:17:27,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 38 [2024-10-13 13:17:27,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080195341] [2024-10-13 13:17:27,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:17:27,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-10-13 13:17:27,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:17:27,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-10-13 13:17:27,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=492, Invalid=990, Unknown=0, NotChecked=0, Total=1482 [2024-10-13 13:17:27,303 INFO L87 Difference]: Start difference. First operand 1293 states and 1564 transitions. Second operand has 39 states, 38 states have (on average 15.0) internal successors, (570), 39 states have internal predecessors, (570), 37 states have call successors, (125), 1 states have call predecessors, (125), 1 states have return successors, (125), 37 states have call predecessors, (125), 37 states have call successors, (125) [2024-10-13 13:17:28,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:17:28,675 INFO L93 Difference]: Finished difference Result 2325 states and 2806 transitions. [2024-10-13 13:17:28,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-10-13 13:17:28,676 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 15.0) internal successors, (570), 39 states have internal predecessors, (570), 37 states have call successors, (125), 1 states have call predecessors, (125), 1 states have return successors, (125), 37 states have call predecessors, (125), 37 states have call successors, (125) Word has length 410 [2024-10-13 13:17:28,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:17:28,681 INFO L225 Difference]: With dead ends: 2325 [2024-10-13 13:17:28,681 INFO L226 Difference]: Without dead ends: 1930 [2024-10-13 13:17:28,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 941 GetRequests, 881 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1473 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1279, Invalid=2503, Unknown=0, NotChecked=0, Total=3782 [2024-10-13 13:17:28,683 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1737 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 409 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1747 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 409 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 13:17:28,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1747 Valid, 647 Invalid, 1270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [409 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 13:17:28,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2024-10-13 13:17:28,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1383. [2024-10-13 13:17:28,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 1132 states have (on average 1.0379858657243817) internal successors, (1175), 1133 states have internal predecessors, (1175), 248 states have call successors, (248), 1 states have call predecessors, (248), 1 states have return successors, (248), 248 states have call predecessors, (248), 248 states have call successors, (248) [2024-10-13 13:17:28,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1671 transitions. [2024-10-13 13:17:28,906 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1671 transitions. Word has length 410 [2024-10-13 13:17:28,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:17:28,906 INFO L471 AbstractCegarLoop]: Abstraction has 1383 states and 1671 transitions. [2024-10-13 13:17:28,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 15.0) internal successors, (570), 39 states have internal predecessors, (570), 37 states have call successors, (125), 1 states have call predecessors, (125), 1 states have return successors, (125), 37 states have call predecessors, (125), 37 states have call successors, (125) [2024-10-13 13:17:28,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1671 transitions. [2024-10-13 13:17:28,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2024-10-13 13:17:28,908 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:17:28,909 INFO L215 NwaCegarLoop]: trace histogram [45, 45, 45, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 13:17:28,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-10-13 13:17:29,109 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,SelfDestructingSolverStorable46 [2024-10-13 13:17:29,109 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:17:29,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:17:29,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1015795445, now seen corresponding path program 3 times [2024-10-13 13:17:29,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:17:29,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669235879] [2024-10-13 13:17:29,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:17:29,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:17:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:17:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:17:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:17:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:17:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:17:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:17:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:17:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:17:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:17:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 13:17:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:17:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 13:17:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 13:17:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 13:17:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:17:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 13:17:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 13:17:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 13:17:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 13:17:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 13:17:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 13:17:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 13:17:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 13:17:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 13:17:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 13:17:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-13 13:17:29,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-13 13:17:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-13 13:17:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-13 13:17:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-13 13:17:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2024-10-13 13:17:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-13 13:17:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-13 13:17:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-13 13:17:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-13 13:17:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-13 13:17:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-13 13:17:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-13 13:17:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2024-10-13 13:17:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-10-13 13:17:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2024-10-13 13:17:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2024-10-13 13:17:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2024-10-13 13:17:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2024-10-13 13:17:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2024-10-13 13:17:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:29,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5060 backedges. 0 proven. 1100 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2024-10-13 13:17:29,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:17:29,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669235879] [2024-10-13 13:17:29,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669235879] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:17:29,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6308232] [2024-10-13 13:17:29,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 13:17:29,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:29,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:17:29,430 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:17:29,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-10-13 13:17:29,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2024-10-13 13:17:29,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:17:29,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-13 13:17:29,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:17:29,845 INFO L134 CoverageAnalysis]: Checked inductivity of 5060 backedges. 0 proven. 1100 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2024-10-13 13:17:29,846 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:17:30,579 INFO L134 CoverageAnalysis]: Checked inductivity of 5060 backedges. 0 proven. 1100 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2024-10-13 13:17:30,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6308232] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:17:30,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:17:30,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 34 [2024-10-13 13:17:30,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180146654] [2024-10-13 13:17:30,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:17:30,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-10-13 13:17:30,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:17:30,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-10-13 13:17:30,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=401, Invalid=789, Unknown=0, NotChecked=0, Total=1190 [2024-10-13 13:17:30,582 INFO L87 Difference]: Start difference. First operand 1383 states and 1671 transitions. Second operand has 35 states, 34 states have (on average 16.294117647058822) internal successors, (554), 35 states have internal predecessors, (554), 34 states have call successors, (124), 1 states have call predecessors, (124), 1 states have return successors, (124), 34 states have call predecessors, (124), 34 states have call successors, (124) [2024-10-13 13:17:33,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 13:17:33,399 INFO L93 Difference]: Finished difference Result 2679 states and 3236 transitions. [2024-10-13 13:17:33,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-13 13:17:33,400 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 16.294117647058822) internal successors, (554), 35 states have internal predecessors, (554), 34 states have call successors, (124), 1 states have call predecessors, (124), 1 states have return successors, (124), 34 states have call predecessors, (124), 34 states have call successors, (124) Word has length 424 [2024-10-13 13:17:33,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 13:17:33,407 INFO L225 Difference]: With dead ends: 2679 [2024-10-13 13:17:33,407 INFO L226 Difference]: Without dead ends: 2678 [2024-10-13 13:17:33,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 997 GetRequests, 935 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 787 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1306, Invalid=2726, Unknown=0, NotChecked=0, Total=4032 [2024-10-13 13:17:33,409 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 945 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 4160 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 953 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 4301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 4160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-10-13 13:17:33,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [953 Valid, 1728 Invalid, 4301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 4160 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-10-13 13:17:33,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2678 states. [2024-10-13 13:17:33,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2678 to 2173. [2024-10-13 13:17:33,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2173 states, 1778 states have (on average 1.0438695163104612) internal successors, (1856), 1779 states have internal predecessors, (1856), 392 states have call successors, (392), 1 states have call predecessors, (392), 1 states have return successors, (392), 392 states have call predecessors, (392), 392 states have call successors, (392) [2024-10-13 13:17:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 2173 states and 2640 transitions. [2024-10-13 13:17:33,762 INFO L78 Accepts]: Start accepts. Automaton has 2173 states and 2640 transitions. Word has length 424 [2024-10-13 13:17:33,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 13:17:33,763 INFO L471 AbstractCegarLoop]: Abstraction has 2173 states and 2640 transitions. [2024-10-13 13:17:33,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 16.294117647058822) internal successors, (554), 35 states have internal predecessors, (554), 34 states have call successors, (124), 1 states have call predecessors, (124), 1 states have return successors, (124), 34 states have call predecessors, (124), 34 states have call successors, (124) [2024-10-13 13:17:33,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 2640 transitions. [2024-10-13 13:17:33,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2024-10-13 13:17:33,766 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 13:17:33,767 INFO L215 NwaCegarLoop]: trace histogram [55, 55, 55, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-13 13:17:33,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-10-13 13:17:33,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:33,969 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2024-10-13 13:17:33,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 13:17:33,969 INFO L85 PathProgramCache]: Analyzing trace with hash 721053370, now seen corresponding path program 5 times [2024-10-13 13:17:33,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 13:17:33,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685851836] [2024-10-13 13:17:33,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 13:17:33,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 13:17:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 13:17:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-10-13 13:17:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 13:17:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 13:17:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 13:17:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 13:17:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 13:17:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 13:17:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 13:17:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 13:17:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 13:17:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-13 13:17:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 13:17:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-13 13:17:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 13:17:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-13 13:17:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-13 13:17:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-13 13:17:34,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-13 13:17:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-13 13:17:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-13 13:17:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-10-13 13:17:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-10-13 13:17:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-13 13:17:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-10-13 13:17:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-13 13:17:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-10-13 13:17:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-10-13 13:17:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-13 13:17:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-10-13 13:17:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-13 13:17:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-10-13 13:17:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-13 13:17:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-10-13 13:17:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-13 13:17:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-13 13:17:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-13 13:17:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2024-10-13 13:17:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2024-10-13 13:17:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2024-10-13 13:17:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-10-13 13:17:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2024-10-13 13:17:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-10-13 13:17:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2024-10-13 13:17:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2024-10-13 13:17:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2024-10-13 13:17:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2024-10-13 13:17:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2024-10-13 13:17:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2024-10-13 13:17:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2024-10-13 13:17:34,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2024-10-13 13:17:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2024-10-13 13:17:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2024-10-13 13:17:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2024-10-13 13:17:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2024-10-13 13:17:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 13:17:34,476 INFO L134 CoverageAnalysis]: Checked inductivity of 7401 backedges. 0 proven. 1461 refuted. 0 times theorem prover too weak. 5940 trivial. 0 not checked. [2024-10-13 13:17:34,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 13:17:34,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685851836] [2024-10-13 13:17:34,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685851836] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 13:17:34,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1413217721] [2024-10-13 13:17:34,476 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-13 13:17:34,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 13:17:34,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 13:17:34,478 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 13:17:34,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-10-13 13:17:34,614 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-10-13 13:17:34,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 13:17:34,617 INFO L255 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-13 13:17:34,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 13:17:34,977 INFO L134 CoverageAnalysis]: Checked inductivity of 7401 backedges. 2061 proven. 1039 refuted. 0 times theorem prover too weak. 4301 trivial. 0 not checked. [2024-10-13 13:17:34,978 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 13:17:35,478 INFO L134 CoverageAnalysis]: Checked inductivity of 7401 backedges. 405 proven. 1039 refuted. 0 times theorem prover too weak. 5957 trivial. 0 not checked. [2024-10-13 13:17:35,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1413217721] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 13:17:35,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 13:17:35,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 36 [2024-10-13 13:17:35,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998721080] [2024-10-13 13:17:35,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 13:17:35,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-10-13 13:17:35,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 13:17:35,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-10-13 13:17:35,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1113, Unknown=0, NotChecked=0, Total=1260 [2024-10-13 13:17:35,482 INFO L87 Difference]: Start difference. First operand 2173 states and 2640 transitions. Second operand has 36 states, 36 states have (on average 15.472222222222221) internal successors, (557), 36 states have internal predecessors, (557), 34 states have call successors, (128), 2 states have call predecessors, (128), 2 states have return successors, (128), 34 states have call predecessors, (128), 34 states have call successors, (128)