./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.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 5bfe5681b6d73d5859a119345279b9da165675f4eb4d814fdf24f92881f7a27f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 12:09:02,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 12:09:02,599 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 12:09:02,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 12:09:02,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 12:09:02,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 12:09:02,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 12:09:02,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 12:09:02,624 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 12:09:02,624 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 12:09:02,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 12:09:02,625 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 12:09:02,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 12:09:02,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 12:09:02,626 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 12:09:02,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 12:09:02,627 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 12:09:02,627 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 12:09:02,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 12:09:02,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 12:09:02,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 12:09:02,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 12:09:02,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 12:09:02,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 12:09:02,633 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 12:09:02,633 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 12:09:02,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 12:09:02,633 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 12:09:02,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 12:09:02,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 12:09:02,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 12:09:02,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 12:09:02,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 12:09:02,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 12:09:02,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:09:02,635 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 12:09:02,635 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 12:09:02,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 12:09:02,636 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 12:09:02,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 12:09:02,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 12:09:02,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 12:09:02,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 12:09:02,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 12:09:02,639 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bfe5681b6d73d5859a119345279b9da165675f4eb4d814fdf24f92881f7a27f [2024-11-09 12:09:02,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 12:09:02,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 12:09:02,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 12:09:02,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 12:09:02,927 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 12:09:02,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c [2024-11-09 12:09:04,589 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 12:09:04,795 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 12:09:04,796 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound50.c [2024-11-09 12:09:04,802 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/300338cba/31dcb0df07dd44a194dc2ecb6aec3cdd/FLAG7f63e9a3f [2024-11-09 12:09:05,181 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/300338cba/31dcb0df07dd44a194dc2ecb6aec3cdd [2024-11-09 12:09:05,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 12:09:05,185 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 12:09:05,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 12:09:05,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 12:09:05,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 12:09:05,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:09:05" (1/1) ... [2024-11-09 12:09:05,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a0723e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05, skipping insertion in model container [2024-11-09 12:09:05,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:09:05" (1/1) ... [2024-11-09 12:09:05,214 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 12:09:05,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:09:05,400 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 12:09:05,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 12:09:05,436 INFO L204 MainTranslator]: Completed translation [2024-11-09 12:09:05,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05 WrapperNode [2024-11-09 12:09:05,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 12:09:05,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 12:09:05,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 12:09:05,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 12:09:05,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05" (1/1) ... [2024-11-09 12:09:05,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05" (1/1) ... [2024-11-09 12:09:05,479 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 153 [2024-11-09 12:09:05,480 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 12:09:05,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 12:09:05,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 12:09:05,481 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 12:09:05,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05" (1/1) ... [2024-11-09 12:09:05,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05" (1/1) ... [2024-11-09 12:09:05,498 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05" (1/1) ... [2024-11-09 12:09:05,522 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 12:09:05,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05" (1/1) ... [2024-11-09 12:09:05,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05" (1/1) ... [2024-11-09 12:09:05,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05" (1/1) ... [2024-11-09 12:09:05,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05" (1/1) ... [2024-11-09 12:09:05,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05" (1/1) ... [2024-11-09 12:09:05,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05" (1/1) ... [2024-11-09 12:09:05,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 12:09:05,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 12:09:05,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 12:09:05,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 12:09:05,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05" (1/1) ... [2024-11-09 12:09:05,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 12:09:05,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:05,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 12:09:05,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 12:09:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 12:09:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 12:09:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 12:09:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 12:09:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 12:09:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 12:09:05,768 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 12:09:05,770 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 12:09:06,350 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-09 12:09:06,350 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 12:09:06,371 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 12:09:06,371 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 12:09:06,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:09:06 BoogieIcfgContainer [2024-11-09 12:09:06,372 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 12:09:06,374 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 12:09:06,374 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 12:09:06,377 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 12:09:06,377 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 12:09:05" (1/3) ... [2024-11-09 12:09:06,378 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95757a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:09:06, skipping insertion in model container [2024-11-09 12:09:06,378 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:09:05" (2/3) ... [2024-11-09 12:09:06,379 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95757a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 12:09:06, skipping insertion in model container [2024-11-09 12:09:06,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:09:06" (3/3) ... [2024-11-09 12:09:06,382 INFO L112 eAbstractionObserver]: Analyzing ICFG ps6-ll_unwindbound50.c [2024-11-09 12:09:06,401 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 12:09:06,401 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 104 error locations. [2024-11-09 12:09:06,479 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 12:09:06,485 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;@2f536757, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 12:09:06,486 INFO L334 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2024-11-09 12:09:06,491 INFO L276 IsEmpty]: Start isEmpty. Operand has 228 states, 119 states have (on average 1.915966386554622) internal successors, (228), 223 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:09:06,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:09:06,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:06,501 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:09:06,501 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:06,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:06,506 INFO L85 PathProgramCache]: Analyzing trace with hash 889508776, now seen corresponding path program 1 times [2024-11-09 12:09:06,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:06,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897351278] [2024-11-09 12:09:06,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:06,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:06,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:06,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:06,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897351278] [2024-11-09 12:09:06,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897351278] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:09:06,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:09:06,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:09:06,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566718765] [2024-11-09 12:09:06,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:09:06,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 12:09:06,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:06,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 12:09:06,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 12:09:06,711 INFO L87 Difference]: Start difference. First operand has 228 states, 119 states have (on average 1.915966386554622) internal successors, (228), 223 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-09 12:09:06,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:06,763 INFO L93 Difference]: Finished difference Result 427 states and 466 transitions. [2024-11-09 12:09:06,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 12:09:06,766 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-09 12:09:06,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:06,776 INFO L225 Difference]: With dead ends: 427 [2024-11-09 12:09:06,776 INFO L226 Difference]: Without dead ends: 196 [2024-11-09 12:09:06,783 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 [2024-11-09 12:09:06,790 INFO L432 NwaCegarLoop]: 205 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:06,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:09:06,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-09 12:09:06,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-09 12:09:06,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 114 states have (on average 1.7017543859649122) internal successors, (194), 192 states have internal predecessors, (194), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:09:06,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 198 transitions. [2024-11-09 12:09:06,855 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 198 transitions. Word has length 6 [2024-11-09 12:09:06,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:06,858 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 198 transitions. [2024-11-09 12:09:06,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-09 12:09:06,858 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 198 transitions. [2024-11-09 12:09:06,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 12:09:06,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:06,859 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 12:09:06,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 12:09:06,860 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:06,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:06,862 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-09 12:09:06,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:06,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150231045] [2024-11-09 12:09:06,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:06,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:06,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:06,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:06,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150231045] [2024-11-09 12:09:06,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150231045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:09:06,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:09:06,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:09:06,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737891113] [2024-11-09 12:09:06,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:09:06,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:09:06,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:06,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:09:06,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:09:06,987 INFO L87 Difference]: Start difference. First operand 196 states and 198 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-09 12:09:07,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:07,111 INFO L93 Difference]: Finished difference Result 196 states and 198 transitions. [2024-11-09 12:09:07,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:09:07,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-11-09 12:09:07,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:07,113 INFO L225 Difference]: With dead ends: 196 [2024-11-09 12:09:07,113 INFO L226 Difference]: Without dead ends: 195 [2024-11-09 12:09:07,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:09:07,119 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 194 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:07,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 381 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:09:07,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-09 12:09:07,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2024-11-09 12:09:07,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 114 states have (on average 1.6929824561403508) internal successors, (193), 191 states have internal predecessors, (193), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:09:07,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 197 transitions. [2024-11-09 12:09:07,142 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 197 transitions. Word has length 6 [2024-11-09 12:09:07,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:07,142 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 197 transitions. [2024-11-09 12:09:07,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2024-11-09 12:09:07,143 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 197 transitions. [2024-11-09 12:09:07,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 12:09:07,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:07,144 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:07,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 12:09:07,145 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:07,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:07,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-09 12:09:07,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:07,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248278357] [2024-11-09 12:09:07,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:07,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:07,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:07,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:07,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248278357] [2024-11-09 12:09:07,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248278357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:09:07,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:09:07,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:09:07,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787079473] [2024-11-09 12:09:07,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:09:07,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:09:07,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:07,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:09:07,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:09:07,211 INFO L87 Difference]: Start difference. First operand 195 states and 197 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-09 12:09:07,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:07,258 INFO L93 Difference]: Finished difference Result 285 states and 287 transitions. [2024-11-09 12:09:07,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:09:07,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-11-09 12:09:07,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:07,260 INFO L225 Difference]: With dead ends: 285 [2024-11-09 12:09:07,260 INFO L226 Difference]: Without dead ends: 199 [2024-11-09 12:09:07,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:09:07,262 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 3 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:07,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 573 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:09:07,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-09 12:09:07,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-11-09 12:09:07,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 118 states have (on average 1.6694915254237288) internal successors, (197), 195 states have internal predecessors, (197), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:09:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 201 transitions. [2024-11-09 12:09:07,283 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 201 transitions. Word has length 7 [2024-11-09 12:09:07,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:07,283 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 201 transitions. [2024-11-09 12:09:07,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-09 12:09:07,283 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 201 transitions. [2024-11-09 12:09:07,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 12:09:07,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:07,284 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:07,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 12:09:07,286 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:07,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:07,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-09 12:09:07,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:07,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531332196] [2024-11-09 12:09:07,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:07,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:07,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:07,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:07,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531332196] [2024-11-09 12:09:07,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531332196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:09:07,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:09:07,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:09:07,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002568301] [2024-11-09 12:09:07,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:09:07,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:09:07,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:07,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:09:07,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:09:07,362 INFO L87 Difference]: Start difference. First operand 199 states and 201 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-09 12:09:07,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:07,825 INFO L93 Difference]: Finished difference Result 359 states and 367 transitions. [2024-11-09 12:09:07,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:09:07,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-11-09 12:09:07,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:07,828 INFO L225 Difference]: With dead ends: 359 [2024-11-09 12:09:07,828 INFO L226 Difference]: Without dead ends: 295 [2024-11-09 12:09:07,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:09:07,829 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 98 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:07,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 141 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:09:07,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-09 12:09:07,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 289. [2024-11-09 12:09:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 207 states have (on average 1.429951690821256) internal successors, (296), 284 states have internal predecessors, (296), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:09:07,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 302 transitions. [2024-11-09 12:09:07,852 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 302 transitions. Word has length 9 [2024-11-09 12:09:07,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:07,852 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 302 transitions. [2024-11-09 12:09:07,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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) [2024-11-09 12:09:07,853 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 302 transitions. [2024-11-09 12:09:07,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-09 12:09:07,854 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:07,854 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:07,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 12:09:07,854 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:07,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:07,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1158660914, now seen corresponding path program 1 times [2024-11-09 12:09:07,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:07,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624722402] [2024-11-09 12:09:07,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:07,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:07,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:07,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624722402] [2024-11-09 12:09:08,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624722402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:09:08,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:09:08,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:09:08,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698323714] [2024-11-09 12:09:08,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:09:08,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:09:08,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:08,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:09:08,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:09:08,004 INFO L87 Difference]: Start difference. First operand 289 states and 302 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-09 12:09:08,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:08,066 INFO L93 Difference]: Finished difference Result 313 states and 320 transitions. [2024-11-09 12:09:08,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:09:08,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2024-11-09 12:09:08,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:08,068 INFO L225 Difference]: With dead ends: 313 [2024-11-09 12:09:08,068 INFO L226 Difference]: Without dead ends: 306 [2024-11-09 12:09:08,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:09:08,070 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 68 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:08,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 359 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:09:08,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-09 12:09:08,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 288. [2024-11-09 12:09:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 206 states have (on average 1.4029126213592233) internal successors, (289), 283 states have internal predecessors, (289), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:09:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 295 transitions. [2024-11-09 12:09:08,098 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 295 transitions. Word has length 47 [2024-11-09 12:09:08,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:08,099 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 295 transitions. [2024-11-09 12:09:08,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-09 12:09:08,099 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 295 transitions. [2024-11-09 12:09:08,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 12:09:08,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:08,100 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:08,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 12:09:08,100 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:08,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:08,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1076612948, now seen corresponding path program 1 times [2024-11-09 12:09:08,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:08,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441593842] [2024-11-09 12:09:08,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:08,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:08,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:08,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:08,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441593842] [2024-11-09 12:09:08,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441593842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:09:08,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:09:08,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:09:08,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900590310] [2024-11-09 12:09:08,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:09:08,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:09:08,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:08,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:09:08,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:09:08,215 INFO L87 Difference]: Start difference. First operand 288 states and 295 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-09 12:09:08,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:08,389 INFO L93 Difference]: Finished difference Result 308 states and 313 transitions. [2024-11-09 12:09:08,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:09:08,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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 49 [2024-11-09 12:09:08,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:08,391 INFO L225 Difference]: With dead ends: 308 [2024-11-09 12:09:08,391 INFO L226 Difference]: Without dead ends: 265 [2024-11-09 12:09:08,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:09:08,392 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 154 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:08,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 284 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:09:08,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-09 12:09:08,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 247. [2024-11-09 12:09:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 165 states have (on average 1.490909090909091) internal successors, (246), 242 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:09:08,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 252 transitions. [2024-11-09 12:09:08,415 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 252 transitions. Word has length 49 [2024-11-09 12:09:08,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:08,416 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 252 transitions. [2024-11-09 12:09:08,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-11-09 12:09:08,416 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 252 transitions. [2024-11-09 12:09:08,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 12:09:08,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:08,419 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:08,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 12:09:08,419 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:08,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:08,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1058568341, now seen corresponding path program 1 times [2024-11-09 12:09:08,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:08,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844019540] [2024-11-09 12:09:08,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:08,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:08,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:09:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:08,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:08,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:08,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844019540] [2024-11-09 12:09:08,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844019540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:09:08,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:09:08,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 12:09:08,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841899811] [2024-11-09 12:09:08,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:09:08,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 12:09:08,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:08,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 12:09:08,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 12:09:08,506 INFO L87 Difference]: Start difference. First operand 247 states and 252 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-09 12:09:08,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:08,527 INFO L93 Difference]: Finished difference Result 249 states and 252 transitions. [2024-11-09 12:09:08,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:09:08,528 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 57 [2024-11-09 12:09:08,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:08,530 INFO L225 Difference]: With dead ends: 249 [2024-11-09 12:09:08,530 INFO L226 Difference]: Without dead ends: 247 [2024-11-09 12:09:08,530 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 [2024-11-09 12:09:08,533 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:08,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 383 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:09:08,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-09 12:09:08,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2024-11-09 12:09:08,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 165 states have (on average 1.4787878787878788) internal successors, (244), 242 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:09:08,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 250 transitions. [2024-11-09 12:09:08,547 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 250 transitions. Word has length 57 [2024-11-09 12:09:08,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:08,548 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 250 transitions. [2024-11-09 12:09:08,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-09 12:09:08,549 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 250 transitions. [2024-11-09 12:09:08,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-09 12:09:08,550 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:08,550 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:08,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 12:09:08,550 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:08,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:08,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1007821026, now seen corresponding path program 1 times [2024-11-09 12:09:08,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:08,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230209129] [2024-11-09 12:09:08,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:08,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:08,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1988897579] [2024-11-09 12:09:08,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:08,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:08,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:08,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:09:08,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 12:09:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:08,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:09:08,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:08,779 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:09:08,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:08,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230209129] [2024-11-09 12:09:08,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:08,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1988897579] [2024-11-09 12:09:08,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1988897579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:09:08,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:09:08,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:09:08,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304384304] [2024-11-09 12:09:08,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:09:08,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:09:08,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:08,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:09:08,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:09:08,782 INFO L87 Difference]: Start difference. First operand 247 states and 250 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-11-09 12:09:09,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:09,246 INFO L93 Difference]: Finished difference Result 426 states and 440 transitions. [2024-11-09 12:09:09,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:09:09,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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 62 [2024-11-09 12:09:09,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:09,248 INFO L225 Difference]: With dead ends: 426 [2024-11-09 12:09:09,248 INFO L226 Difference]: Without dead ends: 361 [2024-11-09 12:09:09,249 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:09:09,251 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 113 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:09,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 162 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:09:09,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-09 12:09:09,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 354. [2024-11-09 12:09:09,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 270 states have (on average 1.3518518518518519) internal successors, (365), 347 states have internal predecessors, (365), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:09:09,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 375 transitions. [2024-11-09 12:09:09,266 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 375 transitions. Word has length 62 [2024-11-09 12:09:09,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:09,266 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 375 transitions. [2024-11-09 12:09:09,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2024-11-09 12:09:09,267 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 375 transitions. [2024-11-09 12:09:09,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-09 12:09:09,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:09,270 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:09,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 12:09:09,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:09,475 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:09,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:09,476 INFO L85 PathProgramCache]: Analyzing trace with hash -809386143, now seen corresponding path program 1 times [2024-11-09 12:09:09,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:09,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330934387] [2024-11-09 12:09:09,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:09,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:09,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:09:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:09,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:09,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:09,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330934387] [2024-11-09 12:09:09,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330934387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:09:09,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:09:09,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:09:09,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948273055] [2024-11-09 12:09:09,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:09:09,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:09:09,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:09,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:09:09,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:09:09,620 INFO L87 Difference]: Start difference. First operand 354 states and 375 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-11-09 12:09:09,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:09,907 INFO L93 Difference]: Finished difference Result 355 states and 375 transitions. [2024-11-09 12:09:09,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 12:09:09,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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 69 [2024-11-09 12:09:09,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:09,910 INFO L225 Difference]: With dead ends: 355 [2024-11-09 12:09:09,910 INFO L226 Difference]: Without dead ends: 354 [2024-11-09 12:09:09,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:09:09,911 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 57 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:09,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 338 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:09:09,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-09 12:09:09,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-11-09 12:09:09,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 270 states have (on average 1.348148148148148) internal successors, (364), 347 states have internal predecessors, (364), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:09:09,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 374 transitions. [2024-11-09 12:09:09,920 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 374 transitions. Word has length 69 [2024-11-09 12:09:09,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:09,921 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 374 transitions. [2024-11-09 12:09:09,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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) [2024-11-09 12:09:09,921 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 374 transitions. [2024-11-09 12:09:09,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 12:09:09,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:09,922 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:09,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 12:09:09,922 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:09,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:09,923 INFO L85 PathProgramCache]: Analyzing trace with hash 678833514, now seen corresponding path program 1 times [2024-11-09 12:09:09,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:09,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455748032] [2024-11-09 12:09:09,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:09,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:09,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:09:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:10,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:10,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:10,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455748032] [2024-11-09 12:09:10,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455748032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:09:10,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:09:10,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 12:09:10,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797230875] [2024-11-09 12:09:10,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:09:10,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:09:10,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:10,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:09:10,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:09:10,004 INFO L87 Difference]: Start difference. First operand 354 states and 374 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-11-09 12:09:10,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:10,293 INFO L93 Difference]: Finished difference Result 355 states and 374 transitions. [2024-11-09 12:09:10,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:09:10,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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 70 [2024-11-09 12:09:10,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:10,298 INFO L225 Difference]: With dead ends: 355 [2024-11-09 12:09:10,299 INFO L226 Difference]: Without dead ends: 354 [2024-11-09 12:09:10,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 12:09:10,300 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 50 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:10,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 347 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 12:09:10,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-09 12:09:10,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-11-09 12:09:10,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 270 states have (on average 1.3444444444444446) internal successors, (363), 347 states have internal predecessors, (363), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:09:10,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 373 transitions. [2024-11-09 12:09:10,314 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 373 transitions. Word has length 70 [2024-11-09 12:09:10,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:10,314 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 373 transitions. [2024-11-09 12:09:10,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 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) [2024-11-09 12:09:10,315 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 373 transitions. [2024-11-09 12:09:10,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-09 12:09:10,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:10,317 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:10,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 12:09:10,318 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:10,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:10,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1871737532, now seen corresponding path program 1 times [2024-11-09 12:09:10,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:10,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851839356] [2024-11-09 12:09:10,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:10,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:10,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:09:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:10,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:10,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851839356] [2024-11-09 12:09:10,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851839356] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:09:10,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309934308] [2024-11-09 12:09:10,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:10,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:10,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:10,455 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:09:10,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 12:09:10,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:10,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 12:09:10,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:10,658 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:10,658 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:09:10,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309934308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:09:10,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:09:10,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 12:09:10,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489343487] [2024-11-09 12:09:10,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:09:10,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:09:10,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:10,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:09:10,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 12:09:10,660 INFO L87 Difference]: Start difference. First operand 354 states and 373 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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) [2024-11-09 12:09:10,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:10,708 INFO L93 Difference]: Finished difference Result 484 states and 508 transitions. [2024-11-09 12:09:10,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:09:10,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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 73 [2024-11-09 12:09:10,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:10,711 INFO L225 Difference]: With dead ends: 484 [2024-11-09 12:09:10,711 INFO L226 Difference]: Without dead ends: 483 [2024-11-09 12:09:10,712 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:09:10,713 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 132 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:10,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 893 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:09:10,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-09 12:09:10,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 443. [2024-11-09 12:09:10,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 357 states have (on average 1.3529411764705883) internal successors, (483), 435 states have internal predecessors, (483), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:09:10,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 497 transitions. [2024-11-09 12:09:10,726 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 497 transitions. Word has length 73 [2024-11-09 12:09:10,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:10,727 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 497 transitions. [2024-11-09 12:09:10,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 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) [2024-11-09 12:09:10,728 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 497 transitions. [2024-11-09 12:09:10,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 12:09:10,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:10,728 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:10,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 12:09:10,929 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,SelfDestructingSolverStorable10 [2024-11-09 12:09:10,930 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:10,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:10,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1637859655, now seen corresponding path program 1 times [2024-11-09 12:09:10,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:10,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332912880] [2024-11-09 12:09:10,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:10,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:10,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:11,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:09:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:11,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:11,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:11,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332912880] [2024-11-09 12:09:11,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332912880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:09:11,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017074787] [2024-11-09 12:09:11,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:11,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:11,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:11,045 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:09:11,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 12:09:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:11,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:09:11,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:11,204 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:11,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017074787] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:09:11,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:09:11,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-09 12:09:11,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065538854] [2024-11-09 12:09:11,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:11,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:09:11,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:11,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:09:11,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:09:11,359 INFO L87 Difference]: Start difference. First operand 443 states and 497 transitions. Second operand has 10 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:09:11,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:11,487 INFO L93 Difference]: Finished difference Result 762 states and 805 transitions. [2024-11-09 12:09:11,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:09:11,487 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 113 [2024-11-09 12:09:11,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:11,491 INFO L225 Difference]: With dead ends: 762 [2024-11-09 12:09:11,491 INFO L226 Difference]: Without dead ends: 632 [2024-11-09 12:09:11,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-09 12:09:11,492 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 272 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:11,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 1221 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:09:11,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2024-11-09 12:09:11,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 531. [2024-11-09 12:09:11,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 441 states have (on average 1.4625850340136055) internal successors, (645), 519 states have internal predecessors, (645), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:09:11,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 661 transitions. [2024-11-09 12:09:11,507 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 661 transitions. Word has length 113 [2024-11-09 12:09:11,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:11,507 INFO L471 AbstractCegarLoop]: Abstraction has 531 states and 661 transitions. [2024-11-09 12:09:11,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:09:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 661 transitions. [2024-11-09 12:09:11,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-09 12:09:11,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:11,508 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:11,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 12:09:11,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:11,709 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:11,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:11,711 INFO L85 PathProgramCache]: Analyzing trace with hash -188695060, now seen corresponding path program 1 times [2024-11-09 12:09:11,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:11,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329065163] [2024-11-09 12:09:11,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:11,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:11,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1059392228] [2024-11-09 12:09:11,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:11,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:11,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:11,733 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:09:11,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 12:09:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:11,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:09:11,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:12,093 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:12,093 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:12,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:12,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329065163] [2024-11-09 12:09:12,365 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:12,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059392228] [2024-11-09 12:09:12,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059392228] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:09:12,366 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:09:12,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-09 12:09:12,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257141558] [2024-11-09 12:09:12,368 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:12,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:09:12,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:12,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:09:12,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:09:12,371 INFO L87 Difference]: Start difference. First operand 531 states and 661 transitions. Second operand has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:09:13,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:13,595 INFO L93 Difference]: Finished difference Result 545 states and 661 transitions. [2024-11-09 12:09:13,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 12:09:13,596 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 113 [2024-11-09 12:09:13,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:13,599 INFO L225 Difference]: With dead ends: 545 [2024-11-09 12:09:13,599 INFO L226 Difference]: Without dead ends: 536 [2024-11-09 12:09:13,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:09:13,600 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 481 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:13,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 165 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-09 12:09:13,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-09 12:09:13,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 528. [2024-11-09 12:09:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 441 states have (on average 1.4263038548752835) internal successors, (629), 516 states have internal predecessors, (629), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:09:13,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 645 transitions. [2024-11-09 12:09:13,617 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 645 transitions. Word has length 113 [2024-11-09 12:09:13,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:13,617 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 645 transitions. [2024-11-09 12:09:13,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:09:13,617 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 645 transitions. [2024-11-09 12:09:13,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-09 12:09:13,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:13,618 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:13,634 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 12:09:13,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:13,827 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:13,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:13,827 INFO L85 PathProgramCache]: Analyzing trace with hash -947321970, now seen corresponding path program 1 times [2024-11-09 12:09:13,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:13,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787121283] [2024-11-09 12:09:13,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:13,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:13,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1392644207] [2024-11-09 12:09:13,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:13,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:13,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:13,856 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:09:13,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 12:09:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:13,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:09:13,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:14,258 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:09:14,258 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:14,628 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-09 12:09:14,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:14,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787121283] [2024-11-09 12:09:14,628 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:14,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1392644207] [2024-11-09 12:09:14,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1392644207] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 12:09:14,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:09:14,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-09 12:09:14,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75743207] [2024-11-09 12:09:14,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:09:14,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:09:14,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:14,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:09:14,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:09:14,630 INFO L87 Difference]: Start difference. First operand 528 states and 645 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-11-09 12:09:18,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:20,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:26,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:26,222 INFO L93 Difference]: Finished difference Result 528 states and 645 transitions. [2024-11-09 12:09:26,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:09:26,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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 115 [2024-11-09 12:09:26,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:26,228 INFO L225 Difference]: With dead ends: 528 [2024-11-09 12:09:26,229 INFO L226 Difference]: Without dead ends: 526 [2024-11-09 12:09:26,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:09:26,229 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 99 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:26,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 47 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 412 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time] [2024-11-09 12:09:26,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-09 12:09:26,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2024-11-09 12:09:26,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 441 states have (on average 1.4104308390022675) internal successors, (622), 514 states have internal predecessors, (622), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:09:26,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 638 transitions. [2024-11-09 12:09:26,248 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 638 transitions. Word has length 115 [2024-11-09 12:09:26,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:26,248 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 638 transitions. [2024-11-09 12:09:26,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-11-09 12:09:26,249 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 638 transitions. [2024-11-09 12:09:26,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-09 12:09:26,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:26,250 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:26,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 12:09:26,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 12:09:26,455 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:26,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:26,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1753034033, now seen corresponding path program 1 times [2024-11-09 12:09:26,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:26,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578086243] [2024-11-09 12:09:26,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:26,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:26,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:09:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:26,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 12:09:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:09:26,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:26,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578086243] [2024-11-09 12:09:26,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578086243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:09:26,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307985558] [2024-11-09 12:09:26,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:26,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:26,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:26,622 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:09:26,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 12:09:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:26,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:09:26,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:26,797 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:09:26,798 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:09:26,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307985558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:09:26,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:09:26,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-09 12:09:26,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888208393] [2024-11-09 12:09:26,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:09:26,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 12:09:26,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:26,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 12:09:26,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:09:26,800 INFO L87 Difference]: Start difference. First operand 526 states and 638 transitions. Second operand has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:09:26,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:26,832 INFO L93 Difference]: Finished difference Result 562 states and 644 transitions. [2024-11-09 12:09:26,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 12:09:26,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 123 [2024-11-09 12:09:26,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:26,835 INFO L225 Difference]: With dead ends: 562 [2024-11-09 12:09:26,835 INFO L226 Difference]: Without dead ends: 561 [2024-11-09 12:09:26,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:09:26,837 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 117 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:26,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 525 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:09:26,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-11-09 12:09:26,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 525. [2024-11-09 12:09:26,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 441 states have (on average 1.4036281179138321) internal successors, (619), 513 states have internal predecessors, (619), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:09:26,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 635 transitions. [2024-11-09 12:09:26,858 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 635 transitions. Word has length 123 [2024-11-09 12:09:26,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:26,858 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 635 transitions. [2024-11-09 12:09:26,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:09:26,859 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 635 transitions. [2024-11-09 12:09:26,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-09 12:09:26,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:26,860 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:26,882 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 12:09:27,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 12:09:27,062 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:27,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:27,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1490519972, now seen corresponding path program 1 times [2024-11-09 12:09:27,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:27,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392865889] [2024-11-09 12:09:27,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:27,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:27,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:09:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:27,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 12:09:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:09:27,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:27,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392865889] [2024-11-09 12:09:27,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392865889] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:09:27,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25990795] [2024-11-09 12:09:27,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:27,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:27,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:27,162 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:09:27,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 12:09:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:27,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:09:27,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:09:27,333 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:27,466 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:09:27,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25990795] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:09:27,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:09:27,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-09 12:09:27,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875185647] [2024-11-09 12:09:27,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:27,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 12:09:27,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:27,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 12:09:27,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:09:27,469 INFO L87 Difference]: Start difference. First operand 525 states and 635 transitions. Second operand has 7 states, 6 states have (on average 46.333333333333336) internal successors, (278), 7 states have internal predecessors, (278), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:09:27,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:27,524 INFO L93 Difference]: Finished difference Result 644 states and 713 transitions. [2024-11-09 12:09:27,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:09:27,525 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 46.333333333333336) internal successors, (278), 7 states have internal predecessors, (278), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 124 [2024-11-09 12:09:27,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:27,528 INFO L225 Difference]: With dead ends: 644 [2024-11-09 12:09:27,528 INFO L226 Difference]: Without dead ends: 643 [2024-11-09 12:09:27,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-09 12:09:27,529 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 84 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:27,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 827 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:09:27,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-11-09 12:09:27,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 571. [2024-11-09 12:09:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 486 states have (on average 1.4238683127572016) internal successors, (692), 558 states have internal predecessors, (692), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:09:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 710 transitions. [2024-11-09 12:09:27,571 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 710 transitions. Word has length 124 [2024-11-09 12:09:27,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:27,572 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 710 transitions. [2024-11-09 12:09:27,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 46.333333333333336) internal successors, (278), 7 states have internal predecessors, (278), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:09:27,572 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 710 transitions. [2024-11-09 12:09:27,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-09 12:09:27,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:27,573 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 12:09:27,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 12:09:27,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:27,774 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:27,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:27,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1928783128, now seen corresponding path program 1 times [2024-11-09 12:09:27,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:27,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458191925] [2024-11-09 12:09:27,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:27,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:27,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [929060925] [2024-11-09 12:09:27,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:27,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:27,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:27,808 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:09:27,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 12:09:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:27,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 12:09:27,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:09:27,998 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:28,216 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:09:28,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:28,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458191925] [2024-11-09 12:09:28,217 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:28,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929060925] [2024-11-09 12:09:28,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929060925] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:09:28,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:09:28,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-09 12:09:28,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216099722] [2024-11-09 12:09:28,218 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:28,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:09:28,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:28,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:09:28,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:09:28,219 INFO L87 Difference]: Start difference. First operand 571 states and 710 transitions. Second operand has 8 states, 7 states have (on average 33.714285714285715) internal successors, (236), 8 states have internal predecessors, (236), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:09:29,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:29,026 INFO L93 Difference]: Finished difference Result 620 states and 716 transitions. [2024-11-09 12:09:29,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 12:09:29,026 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.714285714285715) internal successors, (236), 8 states have internal predecessors, (236), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 128 [2024-11-09 12:09:29,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:29,029 INFO L225 Difference]: With dead ends: 620 [2024-11-09 12:09:29,029 INFO L226 Difference]: Without dead ends: 555 [2024-11-09 12:09:29,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:09:29,030 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 416 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 996 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 996 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:29,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 173 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 996 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 12:09:29,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-11-09 12:09:29,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 549. [2024-11-09 12:09:29,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 482 states have (on average 1.2323651452282158) internal successors, (594), 537 states have internal predecessors, (594), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:09:29,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 612 transitions. [2024-11-09 12:09:29,048 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 612 transitions. Word has length 128 [2024-11-09 12:09:29,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:29,048 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 612 transitions. [2024-11-09 12:09:29,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.714285714285715) internal successors, (236), 8 states have internal predecessors, (236), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:09:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 612 transitions. [2024-11-09 12:09:29,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-09 12:09:29,049 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:29,050 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 12:09:29,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 12:09:29,250 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,SelfDestructingSolverStorable16 [2024-11-09 12:09:29,251 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:29,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:29,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1903018352, now seen corresponding path program 1 times [2024-11-09 12:09:29,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:29,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875932161] [2024-11-09 12:09:29,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:29,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:29,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [246288366] [2024-11-09 12:09:29,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:29,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:29,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:29,278 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:09:29,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 12:09:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:29,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:09:29,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:29,701 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:09:29,702 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:30,591 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 12:09:30,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:30,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875932161] [2024-11-09 12:09:30,592 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:30,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246288366] [2024-11-09 12:09:30,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246288366] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:09:30,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:09:30,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-11-09 12:09:30,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783255723] [2024-11-09 12:09:30,593 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:30,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 12:09:30,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:30,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 12:09:30,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-09 12:09:30,594 INFO L87 Difference]: Start difference. First operand 549 states and 612 transitions. Second operand has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:09:44,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:48,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:53,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-09 12:09:53,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:53,243 INFO L93 Difference]: Finished difference Result 555 states and 615 transitions. [2024-11-09 12:09:53,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 12:09:53,244 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 136 [2024-11-09 12:09:53,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:53,246 INFO L225 Difference]: With dead ends: 555 [2024-11-09 12:09:53,246 INFO L226 Difference]: Without dead ends: 554 [2024-11-09 12:09:53,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2024-11-09 12:09:53,250 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 390 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 52 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:53,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 133 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1124 Invalid, 3 Unknown, 0 Unchecked, 22.5s Time] [2024-11-09 12:09:53,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2024-11-09 12:09:53,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 548. [2024-11-09 12:09:53,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 482 states have (on average 1.2261410788381744) internal successors, (591), 536 states have internal predecessors, (591), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:09:53,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 609 transitions. [2024-11-09 12:09:53,293 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 609 transitions. Word has length 136 [2024-11-09 12:09:53,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:53,294 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 609 transitions. [2024-11-09 12:09:53,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 12:09:53,294 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 609 transitions. [2024-11-09 12:09:53,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-09 12:09:53,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:53,300 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:53,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 12:09:53,500 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 [2024-11-09 12:09:53,500 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:53,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:53,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1508503075, now seen corresponding path program 1 times [2024-11-09 12:09:53,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:53,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749939834] [2024-11-09 12:09:53,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:53,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:53,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1563751330] [2024-11-09 12:09:53,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:53,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:53,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:53,542 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:09:53,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 12:09:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:53,608 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:09:53,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:09:54,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:54,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:54,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749939834] [2024-11-09 12:09:54,286 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:54,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563751330] [2024-11-09 12:09:54,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563751330] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:09:54,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:09:54,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 12:09:54,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712422766] [2024-11-09 12:09:54,287 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:54,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:09:54,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:54,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:09:54,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:09:54,290 INFO L87 Difference]: Start difference. First operand 548 states and 609 transitions. Second operand has 5 states, 4 states have (on average 39.5) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:09:54,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:54,708 INFO L93 Difference]: Finished difference Result 551 states and 612 transitions. [2024-11-09 12:09:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:09:54,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 39.5) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 170 [2024-11-09 12:09:54,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:54,711 INFO L225 Difference]: With dead ends: 551 [2024-11-09 12:09:54,711 INFO L226 Difference]: Without dead ends: 538 [2024-11-09 12:09:54,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:09:54,712 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 75 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:54,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 61 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:09:54,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-11-09 12:09:54,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 535. [2024-11-09 12:09:54,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 482 states have (on average 1.1742738589211619) internal successors, (566), 523 states have internal predecessors, (566), 9 states have call successors, (9), 5 states have call predecessors, (9), 5 states have return successors, (9), 6 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 12:09:54,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 584 transitions. [2024-11-09 12:09:54,745 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 584 transitions. Word has length 170 [2024-11-09 12:09:54,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:54,745 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 584 transitions. [2024-11-09 12:09:54,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 39.5) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:09:54,746 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 584 transitions. [2024-11-09 12:09:54,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-09 12:09:54,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:54,747 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:09:54,765 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-09 12:09:54,947 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 [2024-11-09 12:09:54,948 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:54,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:54,948 INFO L85 PathProgramCache]: Analyzing trace with hash -481044668, now seen corresponding path program 1 times [2024-11-09 12:09:54,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:54,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658141903] [2024-11-09 12:09:54,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:54,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:54,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [156270831] [2024-11-09 12:09:54,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:54,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:54,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:54,974 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:09:54,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 12:09:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:55,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 12:09:55,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:55,455 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:09:55,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:09:56,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:09:56,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658141903] [2024-11-09 12:09:56,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:09:56,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156270831] [2024-11-09 12:09:56,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156270831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:09:56,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:09:56,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 12:09:56,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136658654] [2024-11-09 12:09:56,402 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:09:56,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:09:56,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:09:56,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:09:56,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:09:56,403 INFO L87 Difference]: Start difference. First operand 535 states and 584 transitions. Second operand has 6 states, 5 states have (on average 31.8) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:09:56,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:09:56,872 INFO L93 Difference]: Finished difference Result 538 states and 586 transitions. [2024-11-09 12:09:56,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:09:56,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.8) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 171 [2024-11-09 12:09:56,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:09:56,874 INFO L225 Difference]: With dead ends: 538 [2024-11-09 12:09:56,874 INFO L226 Difference]: Without dead ends: 492 [2024-11-09 12:09:56,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:09:56,875 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:09:56,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 156 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:09:56,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-09 12:09:56,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 492. [2024-11-09 12:09:56,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 440 states have (on average 1.1886363636363637) internal successors, (523), 480 states have internal predecessors, (523), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:09:56,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 539 transitions. [2024-11-09 12:09:56,894 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 539 transitions. Word has length 171 [2024-11-09 12:09:56,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:09:56,894 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 539 transitions. [2024-11-09 12:09:56,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.8) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:09:56,895 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 539 transitions. [2024-11-09 12:09:56,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-09 12:09:56,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:09:56,898 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 12:09:56,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 12:09:57,098 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 [2024-11-09 12:09:57,099 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:09:57,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:09:57,099 INFO L85 PathProgramCache]: Analyzing trace with hash 637870879, now seen corresponding path program 1 times [2024-11-09 12:09:57,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:09:57,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295139311] [2024-11-09 12:09:57,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:57,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:09:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:09:57,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1996271909] [2024-11-09 12:09:57,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:09:57,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:09:57,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:09:57,131 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:09:57,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 12:09:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:09:57,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 12:09:57,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:09:57,645 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 3 proven. 150 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 12:09:57,645 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:05,900 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (or (forall ((|v_ULTIMATE.start_main_~y~0#1_231| Int)) (or (< (+ |c_ULTIMATE.start_main_~y~0#1| 1) |v_ULTIMATE.start_main_~y~0#1_231|) (< (* |v_ULTIMATE.start_main_~y~0#1_231| |v_ULTIMATE.start_main_~y~0#1_231| |v_ULTIMATE.start_main_~y~0#1_231| |v_ULTIMATE.start_main_~y~0#1_231| |v_ULTIMATE.start_main_~y~0#1_231|) (+ 768614336404564651 (div (+ .cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 5)) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 6)) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 2))) 12))))) (not (= 0 (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 7) .cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6)) 12))))) is different from false [2024-11-09 12:10:05,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:05,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295139311] [2024-11-09 12:10:05,920 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:05,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996271909] [2024-11-09 12:10:05,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996271909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:05,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:10:05,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 12:10:05,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982644229] [2024-11-09 12:10:05,921 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:05,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 12:10:05,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:05,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 12:10:05,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=100, Unknown=1, NotChecked=20, Total=156 [2024-11-09 12:10:05,922 INFO L87 Difference]: Start difference. First operand 492 states and 539 transitions. Second operand has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:10:06,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:06,606 INFO L93 Difference]: Finished difference Result 502 states and 541 transitions. [2024-11-09 12:10:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 12:10:06,606 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 180 [2024-11-09 12:10:06,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:06,608 INFO L225 Difference]: With dead ends: 502 [2024-11-09 12:10:06,609 INFO L226 Difference]: Without dead ends: 498 [2024-11-09 12:10:06,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=50, Invalid=135, Unknown=1, NotChecked=24, Total=210 [2024-11-09 12:10:06,611 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 82 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:06,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 477 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:10:06,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2024-11-09 12:10:06,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 492. [2024-11-09 12:10:06,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 440 states have (on average 1.1795454545454545) internal successors, (519), 480 states have internal predecessors, (519), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:10:06,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 535 transitions. [2024-11-09 12:10:06,636 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 535 transitions. Word has length 180 [2024-11-09 12:10:06,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:06,636 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 535 transitions. [2024-11-09 12:10:06,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:10:06,637 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 535 transitions. [2024-11-09 12:10:06,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-09 12:10:06,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:06,638 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 12:10:06,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:06,842 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 [2024-11-09 12:10:06,843 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:10:06,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:06,844 INFO L85 PathProgramCache]: Analyzing trace with hash -214865008, now seen corresponding path program 1 times [2024-11-09 12:10:06,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:06,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800191794] [2024-11-09 12:10:06,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:06,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:06,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1702767861] [2024-11-09 12:10:06,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:06,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:06,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:06,875 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:10:06,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 12:10:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:06,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 12:10:06,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:07,163 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:07,163 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:07,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:07,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800191794] [2024-11-09 12:10:07,228 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:07,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702767861] [2024-11-09 12:10:07,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702767861] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:07,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:10:07,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 12:10:07,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244299518] [2024-11-09 12:10:07,229 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:07,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:10:07,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:07,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:10:07,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:10:07,232 INFO L87 Difference]: Start difference. First operand 492 states and 535 transitions. Second operand has 6 states, 5 states have (on average 36.8) internal successors, (184), 6 states have internal predecessors, (184), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:10:07,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:07,777 INFO L93 Difference]: Finished difference Result 555 states and 602 transitions. [2024-11-09 12:10:07,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 12:10:07,780 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 36.8) internal successors, (184), 6 states have internal predecessors, (184), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 196 [2024-11-09 12:10:07,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:07,782 INFO L225 Difference]: With dead ends: 555 [2024-11-09 12:10:07,782 INFO L226 Difference]: Without dead ends: 543 [2024-11-09 12:10:07,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:10:07,783 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 147 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:07,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 124 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 12:10:07,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2024-11-09 12:10:07,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 522. [2024-11-09 12:10:07,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 470 states have (on average 1.1680851063829787) internal successors, (549), 510 states have internal predecessors, (549), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:10:07,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 565 transitions. [2024-11-09 12:10:07,810 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 565 transitions. Word has length 196 [2024-11-09 12:10:07,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:07,811 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 565 transitions. [2024-11-09 12:10:07,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 36.8) internal successors, (184), 6 states have internal predecessors, (184), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 12:10:07,812 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 565 transitions. [2024-11-09 12:10:07,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-09 12:10:07,813 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:07,814 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 12:10:07,832 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 12:10:08,014 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 [2024-11-09 12:10:08,015 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:10:08,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:08,016 INFO L85 PathProgramCache]: Analyzing trace with hash -326837326, now seen corresponding path program 1 times [2024-11-09 12:10:08,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:08,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522810751] [2024-11-09 12:10:08,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:08,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:08,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1040528360] [2024-11-09 12:10:08,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:08,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:08,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:08,055 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:10:08,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 12:10:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:08,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 12:10:08,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:08,324 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:08,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:08,831 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:08,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:08,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522810751] [2024-11-09 12:10:08,831 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:08,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040528360] [2024-11-09 12:10:08,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040528360] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:08,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:08,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 12:10:08,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180457776] [2024-11-09 12:10:08,832 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:08,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 12:10:08,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:08,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 12:10:08,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:10:08,833 INFO L87 Difference]: Start difference. First operand 522 states and 565 transitions. Second operand has 10 states, 9 states have (on average 40.666666666666664) internal successors, (366), 10 states have internal predecessors, (366), 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) [2024-11-09 12:10:09,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:09,599 INFO L93 Difference]: Finished difference Result 565 states and 601 transitions. [2024-11-09 12:10:09,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:10:09,600 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 40.666666666666664) internal successors, (366), 10 states have internal predecessors, (366), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 198 [2024-11-09 12:10:09,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:09,602 INFO L225 Difference]: With dead ends: 565 [2024-11-09 12:10:09,602 INFO L226 Difference]: Without dead ends: 537 [2024-11-09 12:10:09,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:10:09,603 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 645 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 1333 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:09,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 274 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1333 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 12:10:09,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-09 12:10:09,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 515. [2024-11-09 12:10:09,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 477 states have (on average 1.0859538784067087) internal successors, (518), 503 states have internal predecessors, (518), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:10:09,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 534 transitions. [2024-11-09 12:10:09,622 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 534 transitions. Word has length 198 [2024-11-09 12:10:09,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:09,622 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 534 transitions. [2024-11-09 12:10:09,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 40.666666666666664) internal successors, (366), 10 states have internal predecessors, (366), 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) [2024-11-09 12:10:09,622 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 534 transitions. [2024-11-09 12:10:09,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-09 12:10:09,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:09,624 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 12:10:09,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:09,825 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:09,826 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:10:09,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:09,826 INFO L85 PathProgramCache]: Analyzing trace with hash 270376702, now seen corresponding path program 2 times [2024-11-09 12:10:09,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:09,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002104212] [2024-11-09 12:10:09,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:09,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:09,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1135152195] [2024-11-09 12:10:09,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:10:09,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:09,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:09,867 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:10:09,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 12:10:09,927 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 12:10:09,928 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:09,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 12:10:09,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-09 12:10:10,772 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 12:10:10,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:10,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002104212] [2024-11-09 12:10:10,772 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:10,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135152195] [2024-11-09 12:10:10,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135152195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 12:10:10,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 12:10:10,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 12:10:10,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644204311] [2024-11-09 12:10:10,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 12:10:10,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 12:10:10,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:10,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 12:10:10,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:10:10,774 INFO L87 Difference]: Start difference. First operand 515 states and 534 transitions. Second operand has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:10:11,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:11,000 INFO L93 Difference]: Finished difference Result 518 states and 534 transitions. [2024-11-09 12:10:11,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:10:11,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 237 [2024-11-09 12:10:11,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:11,002 INFO L225 Difference]: With dead ends: 518 [2024-11-09 12:10:11,003 INFO L226 Difference]: Without dead ends: 457 [2024-11-09 12:10:11,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 12:10:11,003 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 47 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:11,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 95 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 12:10:11,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2024-11-09 12:10:11,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 426. [2024-11-09 12:10:11,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 399 states have (on average 1.055137844611529) internal successors, (421), 416 states have internal predecessors, (421), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:10:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 431 transitions. [2024-11-09 12:10:11,027 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 431 transitions. Word has length 237 [2024-11-09 12:10:11,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:11,028 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 431 transitions. [2024-11-09 12:10:11,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.25) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 12:10:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 431 transitions. [2024-11-09 12:10:11,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2024-11-09 12:10:11,029 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:11,030 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-09 12:10:11,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 12:10:11,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:11,231 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:10:11,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:11,231 INFO L85 PathProgramCache]: Analyzing trace with hash -542675803, now seen corresponding path program 2 times [2024-11-09 12:10:11,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:11,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371009167] [2024-11-09 12:10:11,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:11,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:11,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [243385301] [2024-11-09 12:10:11,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:10:11,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:11,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:11,263 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:10:11,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 12:10:11,350 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 12:10:11,350 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:11,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 12:10:11,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:11,903 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:11,903 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:12,502 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-09 12:10:12,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:12,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371009167] [2024-11-09 12:10:12,502 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:12,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243385301] [2024-11-09 12:10:12,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243385301] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:12,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:12,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-09 12:10:12,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739322916] [2024-11-09 12:10:12,503 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:12,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 12:10:12,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:12,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 12:10:12,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-09 12:10:12,507 INFO L87 Difference]: Start difference. First operand 426 states and 431 transitions. Second operand has 16 states, 15 states have (on average 30.8) internal successors, (462), 16 states have internal predecessors, (462), 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) [2024-11-09 12:10:14,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:14,594 INFO L93 Difference]: Finished difference Result 774 states and 819 transitions. [2024-11-09 12:10:14,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 12:10:14,595 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 30.8) internal successors, (462), 16 states have internal predecessors, (462), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 246 [2024-11-09 12:10:14,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:14,597 INFO L225 Difference]: With dead ends: 774 [2024-11-09 12:10:14,598 INFO L226 Difference]: Without dead ends: 712 [2024-11-09 12:10:14,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=307, Unknown=0, NotChecked=0, Total=462 [2024-11-09 12:10:14,599 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 566 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 2566 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 2588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:14,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 472 Invalid, 2588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2566 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 12:10:14,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-09 12:10:14,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 602. [2024-11-09 12:10:14,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 575 states have (on average 1.085217391304348) internal successors, (624), 590 states have internal predecessors, (624), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 12:10:14,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 638 transitions. [2024-11-09 12:10:14,639 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 638 transitions. Word has length 246 [2024-11-09 12:10:14,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:14,640 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 638 transitions. [2024-11-09 12:10:14,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 30.8) internal successors, (462), 16 states have internal predecessors, (462), 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) [2024-11-09 12:10:14,640 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 638 transitions. [2024-11-09 12:10:14,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-09 12:10:14,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:14,642 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2024-11-09 12:10:14,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 12:10:14,843 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,SelfDestructingSolverStorable24 [2024-11-09 12:10:14,843 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:10:14,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:14,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1726250411, now seen corresponding path program 1 times [2024-11-09 12:10:14,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:14,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773733391] [2024-11-09 12:10:14,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:14,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:10:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 12:10:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-09 12:10:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-09 12:10:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,195 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:10:15,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:15,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773733391] [2024-11-09 12:10:15,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773733391] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:15,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130528994] [2024-11-09 12:10:15,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:15,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:15,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:15,198 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:10:15,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 12:10:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:15,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:10:15,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:15,576 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 412 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 12:10:15,577 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:15,932 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:10:15,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130528994] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:15,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:10:15,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-09 12:10:15,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347971619] [2024-11-09 12:10:15,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:15,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 12:10:15,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:15,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 12:10:15,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2024-11-09 12:10:15,936 INFO L87 Difference]: Start difference. First operand 602 states and 638 transitions. Second operand has 22 states, 22 states have (on average 23.90909090909091) internal successors, (526), 22 states have internal predecessors, (526), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-09 12:10:16,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:16,283 INFO L93 Difference]: Finished difference Result 1087 states and 1100 transitions. [2024-11-09 12:10:16,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-09 12:10:16,284 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 23.90909090909091) internal successors, (526), 22 states have internal predecessors, (526), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 279 [2024-11-09 12:10:16,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:16,287 INFO L225 Difference]: With dead ends: 1087 [2024-11-09 12:10:16,288 INFO L226 Difference]: Without dead ends: 1003 [2024-11-09 12:10:16,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 594 GetRequests, 555 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=549, Invalid=1091, Unknown=0, NotChecked=0, Total=1640 [2024-11-09 12:10:16,289 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 480 mSDsluCounter, 1282 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 480 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:16,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [480 Valid, 1405 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 12:10:16,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2024-11-09 12:10:16,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 761. [2024-11-09 12:10:16,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 725 states have (on average 1.0910344827586207) internal successors, (791), 740 states have internal predecessors, (791), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:16,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 811 transitions. [2024-11-09 12:10:16,330 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 811 transitions. Word has length 279 [2024-11-09 12:10:16,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:16,330 INFO L471 AbstractCegarLoop]: Abstraction has 761 states and 811 transitions. [2024-11-09 12:10:16,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 23.90909090909091) internal successors, (526), 22 states have internal predecessors, (526), 8 states have call successors, (12), 5 states have call predecessors, (12), 5 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2024-11-09 12:10:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 811 transitions. [2024-11-09 12:10:16,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2024-11-09 12:10:16,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:16,333 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-09 12:10:16,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:16,536 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,SelfDestructingSolverStorable25 [2024-11-09 12:10:16,537 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:10:16,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:16,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1833990918, now seen corresponding path program 1 times [2024-11-09 12:10:16,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:16,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464074528] [2024-11-09 12:10:16,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:16,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:16,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [250197230] [2024-11-09 12:10:16,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:16,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:16,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:16,577 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:10:16,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 12:10:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:16,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 12:10:16,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:10:16,953 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:17,623 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 416 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 12:10:17,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:17,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464074528] [2024-11-09 12:10:17,624 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:17,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250197230] [2024-11-09 12:10:17,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250197230] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:17,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:17,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-09 12:10:17,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4611011] [2024-11-09 12:10:17,624 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:17,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 12:10:17,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:17,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 12:10:17,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-09 12:10:17,626 INFO L87 Difference]: Start difference. First operand 761 states and 811 transitions. Second operand has 12 states, 11 states have (on average 47.09090909090909) internal successors, (518), 12 states have internal predecessors, (518), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:10:18,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:18,369 INFO L93 Difference]: Finished difference Result 807 states and 850 transitions. [2024-11-09 12:10:18,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 12:10:18,370 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 47.09090909090909) internal successors, (518), 12 states have internal predecessors, (518), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 279 [2024-11-09 12:10:18,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:18,372 INFO L225 Difference]: With dead ends: 807 [2024-11-09 12:10:18,372 INFO L226 Difference]: Without dead ends: 760 [2024-11-09 12:10:18,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-09 12:10:18,373 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 500 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 1594 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 501 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 1606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:18,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [501 Valid, 338 Invalid, 1606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1594 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 12:10:18,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2024-11-09 12:10:18,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 759. [2024-11-09 12:10:18,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 759 states, 725 states have (on average 1.0731034482758621) internal successors, (778), 738 states have internal predecessors, (778), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:18,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 798 transitions. [2024-11-09 12:10:18,403 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 798 transitions. Word has length 279 [2024-11-09 12:10:18,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:18,403 INFO L471 AbstractCegarLoop]: Abstraction has 759 states and 798 transitions. [2024-11-09 12:10:18,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 47.09090909090909) internal successors, (518), 12 states have internal predecessors, (518), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 12:10:18,403 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 798 transitions. [2024-11-09 12:10:18,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-09 12:10:18,405 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:18,405 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2024-11-09 12:10:18,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-09 12:10:18,609 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,SelfDestructingSolverStorable26 [2024-11-09 12:10:18,610 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:10:18,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:18,611 INFO L85 PathProgramCache]: Analyzing trace with hash -294799946, now seen corresponding path program 2 times [2024-11-09 12:10:18,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:18,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396757773] [2024-11-09 12:10:18,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:18,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:18,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 12:10:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:18,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-09 12:10:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:18,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-09 12:10:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:18,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-11-09 12:10:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:18,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2024-11-09 12:10:18,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:18,773 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2024-11-09 12:10:18,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:18,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396757773] [2024-11-09 12:10:18,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396757773] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:18,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625641137] [2024-11-09 12:10:18,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 12:10:18,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:18,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:18,776 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:10:18,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 12:10:18,829 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 12:10:18,829 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:18,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 12:10:18,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:19,141 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2024-11-09 12:10:19,141 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:19,474 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2024-11-09 12:10:19,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625641137] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:19,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 12:10:19,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-09 12:10:19,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605065257] [2024-11-09 12:10:19,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:19,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 12:10:19,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:19,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 12:10:19,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 12:10:19,476 INFO L87 Difference]: Start difference. First operand 759 states and 798 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:10:19,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:19,526 INFO L93 Difference]: Finished difference Result 762 states and 798 transitions. [2024-11-09 12:10:19,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 12:10:19,526 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 322 [2024-11-09 12:10:19,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:19,529 INFO L225 Difference]: With dead ends: 762 [2024-11-09 12:10:19,529 INFO L226 Difference]: Without dead ends: 761 [2024-11-09 12:10:19,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 657 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-09 12:10:19,533 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 311 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:19,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 320 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 12:10:19,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2024-11-09 12:10:19,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 758. [2024-11-09 12:10:19,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 725 states have (on average 1.0648275862068965) internal successors, (772), 737 states have internal predecessors, (772), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:19,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 792 transitions. [2024-11-09 12:10:19,568 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 792 transitions. Word has length 322 [2024-11-09 12:10:19,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:19,569 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 792 transitions. [2024-11-09 12:10:19,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 12:10:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 792 transitions. [2024-11-09 12:10:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2024-11-09 12:10:19,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:19,572 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1] [2024-11-09 12:10:19,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-09 12:10:19,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:19,774 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:10:19,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:19,774 INFO L85 PathProgramCache]: Analyzing trace with hash -332290208, now seen corresponding path program 1 times [2024-11-09 12:10:19,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:19,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318671239] [2024-11-09 12:10:19,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:19,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:19,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [390577850] [2024-11-09 12:10:19,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:19,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:19,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:19,820 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:10:19,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 12:10:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:19,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 12:10:19,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 612 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:20,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:20,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:20,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318671239] [2024-11-09 12:10:20,429 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:20,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390577850] [2024-11-09 12:10:20,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390577850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 12:10:20,429 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 12:10:20,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 12:10:20,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159728062] [2024-11-09 12:10:20,429 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:20,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 12:10:20,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:20,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 12:10:20,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:10:20,431 INFO L87 Difference]: Start difference. First operand 758 states and 792 transitions. Second operand has 8 states, 7 states have (on average 44.285714285714285) internal successors, (310), 8 states have internal predecessors, (310), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:10:20,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:20,867 INFO L93 Difference]: Finished difference Result 797 states and 831 transitions. [2024-11-09 12:10:20,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 12:10:20,867 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 44.285714285714285) internal successors, (310), 8 states have internal predecessors, (310), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 332 [2024-11-09 12:10:20,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:20,870 INFO L225 Difference]: With dead ends: 797 [2024-11-09 12:10:20,870 INFO L226 Difference]: Without dead ends: 795 [2024-11-09 12:10:20,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2024-11-09 12:10:20,871 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 90 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:20,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 106 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 12:10:20,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-09 12:10:20,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 758. [2024-11-09 12:10:20,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 725 states have (on average 1.0620689655172413) internal successors, (770), 737 states have internal predecessors, (770), 10 states have call successors, (10), 10 states have call predecessors, (10), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:20,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 790 transitions. [2024-11-09 12:10:20,904 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 790 transitions. Word has length 332 [2024-11-09 12:10:20,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:20,905 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 790 transitions. [2024-11-09 12:10:20,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 44.285714285714285) internal successors, (310), 8 states have internal predecessors, (310), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 12:10:20,905 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 790 transitions. [2024-11-09 12:10:20,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2024-11-09 12:10:20,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:20,907 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1] [2024-11-09 12:10:20,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:21,107 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,SelfDestructingSolverStorable28 [2024-11-09 12:10:21,108 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:10:21,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:21,108 INFO L85 PathProgramCache]: Analyzing trace with hash -957365000, now seen corresponding path program 1 times [2024-11-09 12:10:21,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:21,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656221584] [2024-11-09 12:10:21,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:21,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:21,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1717631717] [2024-11-09 12:10:21,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:21,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:21,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:21,147 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:10:21,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 12:10:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 12:10:21,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 12:10:21,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 12:10:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 695 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:21,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 12:10:22,635 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 695 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 12:10:22,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 12:10:22,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656221584] [2024-11-09 12:10:22,636 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 12:10:22,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717631717] [2024-11-09 12:10:22,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717631717] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 12:10:22,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 12:10:22,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-09 12:10:22,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077825339] [2024-11-09 12:10:22,637 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 12:10:22,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 12:10:22,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 12:10:22,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 12:10:22,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-09 12:10:22,639 INFO L87 Difference]: Start difference. First operand 758 states and 790 transitions. Second operand has 14 states, 13 states have (on average 49.84615384615385) internal successors, (648), 14 states have internal predecessors, (648), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:24,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 12:10:24,998 INFO L93 Difference]: Finished difference Result 1056 states and 1109 transitions. [2024-11-09 12:10:24,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 12:10:24,999 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 49.84615384615385) internal successors, (648), 14 states have internal predecessors, (648), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 349 [2024-11-09 12:10:25,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 12:10:25,002 INFO L225 Difference]: With dead ends: 1056 [2024-11-09 12:10:25,002 INFO L226 Difference]: Without dead ends: 823 [2024-11-09 12:10:25,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 684 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2024-11-09 12:10:25,003 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 1101 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 2541 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 2541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-09 12:10:25,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1102 Valid, 485 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 2541 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-09 12:10:25,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2024-11-09 12:10:25,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 820. [2024-11-09 12:10:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 795 states have (on average 1.010062893081761) internal successors, (803), 798 states have internal predecessors, (803), 11 states have call successors, (11), 10 states have call predecessors, (11), 10 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 12:10:25,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 825 transitions. [2024-11-09 12:10:25,045 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 825 transitions. Word has length 349 [2024-11-09 12:10:25,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 12:10:25,046 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 825 transitions. [2024-11-09 12:10:25,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 49.84615384615385) internal successors, (648), 14 states have internal predecessors, (648), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 12:10:25,046 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 825 transitions. [2024-11-09 12:10:25,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2024-11-09 12:10:25,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 12:10:25,049 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1] [2024-11-09 12:10:25,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-09 12:10:25,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:25,253 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-09 12:10:25,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 12:10:25,254 INFO L85 PathProgramCache]: Analyzing trace with hash -519466051, now seen corresponding path program 3 times [2024-11-09 12:10:25,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 12:10:25,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768640806] [2024-11-09 12:10:25,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 12:10:25,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 12:10:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 12:10:25,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1863068305] [2024-11-09 12:10:25,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 12:10:25,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 12:10:25,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 12:10:25,318 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 12:10:25,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 12:10:25,444 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-09 12:10:25,444 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 12:10:25,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 12:10:25,451 INFO L278 TraceCheckSpWp]: Computing forward predicates...