./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-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/egcd-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 2d26d8e14d33b8c29eaf9ffa7603dd26966f962451e6c0726b154a73bf65f3d2 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:39:46,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:39:47,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:39:47,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:39:47,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:39:47,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:39:47,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:39:47,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:39:47,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:39:47,091 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:39:47,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:39:47,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:39:47,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:39:47,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:39:47,095 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:39:47,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:39:47,095 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:39:47,096 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:39:47,099 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:39:47,099 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:39:47,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:39:47,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:39:47,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:39:47,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:39:47,101 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:39:47,101 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:39:47,101 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:39:47,101 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:39:47,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:39:47,102 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:39:47,102 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:39:47,102 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:39:47,102 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:39:47,103 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:39:47,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:39:47,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:39:47,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:39:47,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:39:47,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:39:47,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:39:47,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:39:47,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:39:47,106 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:39:47,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:39:47,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d26d8e14d33b8c29eaf9ffa7603dd26966f962451e6c0726b154a73bf65f3d2 [2024-11-09 11:39:47,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:39:47,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:39:47,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:39:47,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:39:47,410 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:39:47,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c [2024-11-09 11:39:48,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:39:49,137 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:39:49,137 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c [2024-11-09 11:39:49,144 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cfe22913/bdc51087f22e4256bef95fcc17e4aa1c/FLAGcde99b573 [2024-11-09 11:39:49,156 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cfe22913/bdc51087f22e4256bef95fcc17e4aa1c [2024-11-09 11:39:49,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:39:49,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:39:49,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:39:49,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:39:49,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:39:49,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:39:49" (1/1) ... [2024-11-09 11:39:49,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d58ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49, skipping insertion in model container [2024-11-09 11:39:49,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:39:49" (1/1) ... [2024-11-09 11:39:49,190 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:39:49,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:39:49,388 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:39:49,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:39:49,423 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:39:49,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49 WrapperNode [2024-11-09 11:39:49,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:39:49,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:39:49,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:39:49,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:39:49,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49" (1/1) ... [2024-11-09 11:39:49,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49" (1/1) ... [2024-11-09 11:39:49,465 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 124 [2024-11-09 11:39:49,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:39:49,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:39:49,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:39:49,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:39:49,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49" (1/1) ... [2024-11-09 11:39:49,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49" (1/1) ... [2024-11-09 11:39:49,481 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49" (1/1) ... [2024-11-09 11:39:49,497 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:39:49,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49" (1/1) ... [2024-11-09 11:39:49,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49" (1/1) ... [2024-11-09 11:39:49,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49" (1/1) ... [2024-11-09 11:39:49,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49" (1/1) ... [2024-11-09 11:39:49,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49" (1/1) ... [2024-11-09 11:39:49,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49" (1/1) ... [2024-11-09 11:39:49,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:39:49,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:39:49,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:39:49,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:39:49,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49" (1/1) ... [2024-11-09 11:39:49,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:39:49,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:49,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:39:49,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:39:49,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:39:49,591 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 11:39:49,591 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 11:39:49,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:39:49,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:39:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:39:49,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:39:49,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:39:49,656 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:39:49,658 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:39:50,382 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2024-11-09 11:39:50,382 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:39:50,406 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:39:50,407 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 11:39:50,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:39:50 BoogieIcfgContainer [2024-11-09 11:39:50,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:39:50,410 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:39:50,411 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:39:50,415 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:39:50,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:39:49" (1/3) ... [2024-11-09 11:39:50,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7388c450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:39:50, skipping insertion in model container [2024-11-09 11:39:50,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:39:49" (2/3) ... [2024-11-09 11:39:50,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7388c450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:39:50, skipping insertion in model container [2024-11-09 11:39:50,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:39:50" (3/3) ... [2024-11-09 11:39:50,421 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_unwindbound50.c [2024-11-09 11:39:50,444 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:39:50,445 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-09 11:39:50,503 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:39:50,510 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;@441bc66d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:39:50,511 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-09 11:39:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 76 states have (on average 1.8421052631578947) internal successors, (140), 134 states have internal predecessors, (140), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 11:39:50,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:39:50,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:50,524 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:50,525 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:50,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:50,531 INFO L85 PathProgramCache]: Analyzing trace with hash 426625631, now seen corresponding path program 1 times [2024-11-09 11:39:50,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:50,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496283749] [2024-11-09 11:39:50,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:50,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:50,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:39:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:50,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:39:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:50,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:50,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:50,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496283749] [2024-11-09 11:39:50,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496283749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:50,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:50,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:39:50,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499730745] [2024-11-09 11:39:50,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:50,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 11:39:50,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:50,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 11:39:50,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:39:50,770 INFO L87 Difference]: Start difference. First operand has 146 states, 76 states have (on average 1.8421052631578947) internal successors, (140), 134 states have internal predecessors, (140), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:39:50,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:50,808 INFO L93 Difference]: Finished difference Result 288 states and 320 transitions. [2024-11-09 11:39:50,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 11:39:50,811 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-09 11:39:50,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:50,820 INFO L225 Difference]: With dead ends: 288 [2024-11-09 11:39:50,820 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 11:39:50,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 11:39:50,828 INFO L432 NwaCegarLoop]: 154 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, 154 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:50,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:39:50,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 11:39:50,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-09 11:39:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 71 states have (on average 1.8450704225352113) internal successors, (131), 128 states have internal predecessors, (131), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:39:50,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 147 transitions. [2024-11-09 11:39:50,882 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 147 transitions. Word has length 15 [2024-11-09 11:39:50,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:50,883 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 147 transitions. [2024-11-09 11:39:50,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:39:50,883 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2024-11-09 11:39:50,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:39:50,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:50,885 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:50,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:39:50,886 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:50,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:50,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1184948511, now seen corresponding path program 1 times [2024-11-09 11:39:50,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:50,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025572037] [2024-11-09 11:39:50,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:50,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:51,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:39:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:51,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:39:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:51,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:51,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025572037] [2024-11-09 11:39:51,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025572037] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:51,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:51,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:51,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492285857] [2024-11-09 11:39:51,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:51,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:51,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:51,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:51,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:51,060 INFO L87 Difference]: Start difference. First operand 139 states and 147 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:51,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:51,119 INFO L93 Difference]: Finished difference Result 139 states and 147 transitions. [2024-11-09 11:39:51,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:51,119 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-09 11:39:51,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:51,122 INFO L225 Difference]: With dead ends: 139 [2024-11-09 11:39:51,124 INFO L226 Difference]: Without dead ends: 138 [2024-11-09 11:39:51,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:39:51,126 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 142 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 279 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 11:39:51,126 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 279 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:39:51,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-09 11:39:51,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-09 11:39:51,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 71 states have (on average 1.8309859154929577) internal successors, (130), 127 states have internal predecessors, (130), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:39:51,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 146 transitions. [2024-11-09 11:39:51,138 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 146 transitions. Word has length 15 [2024-11-09 11:39:51,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:51,140 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 146 transitions. [2024-11-09 11:39:51,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:51,140 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2024-11-09 11:39:51,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 11:39:51,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:51,141 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:51,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:39:51,142 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:51,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:51,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1921301779, now seen corresponding path program 1 times [2024-11-09 11:39:51,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:51,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561688987] [2024-11-09 11:39:51,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:51,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:51,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:39:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:51,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:39:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:51,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:51,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:51,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561688987] [2024-11-09 11:39:51,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561688987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:51,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:51,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:51,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240005646] [2024-11-09 11:39:51,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:51,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:51,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:51,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:51,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:51,272 INFO L87 Difference]: Start difference. First operand 138 states and 146 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:51,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:51,320 INFO L93 Difference]: Finished difference Result 202 states and 212 transitions. [2024-11-09 11:39:51,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:39:51,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-09 11:39:51,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:51,323 INFO L225 Difference]: With dead ends: 202 [2024-11-09 11:39:51,323 INFO L226 Difference]: Without dead ends: 142 [2024-11-09 11:39:51,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:39:51,325 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 8 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 414 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 11:39:51,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 414 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:39:51,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-09 11:39:51,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-11-09 11:39:51,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 75 states have (on average 1.7866666666666666) internal successors, (134), 131 states have internal predecessors, (134), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 11:39:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 150 transitions. [2024-11-09 11:39:51,345 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 150 transitions. Word has length 16 [2024-11-09 11:39:51,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:51,345 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 150 transitions. [2024-11-09 11:39:51,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:51,346 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2024-11-09 11:39:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 11:39:51,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:51,350 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:51,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:39:51,350 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:51,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:51,352 INFO L85 PathProgramCache]: Analyzing trace with hash 464929231, now seen corresponding path program 1 times [2024-11-09 11:39:51,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:51,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760317310] [2024-11-09 11:39:51,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:51,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:51,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [719325376] [2024-11-09 11:39:51,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:51,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:51,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:51,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:51,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:39:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:51,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:39:51,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:51,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:51,517 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:51,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:51,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760317310] [2024-11-09 11:39:51,518 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:51,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719325376] [2024-11-09 11:39:51,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719325376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:51,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:51,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:39:51,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439360278] [2024-11-09 11:39:51,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:51,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:39:51,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:51,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:39:51,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:51,522 INFO L87 Difference]: Start difference. First operand 142 states and 150 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:51,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:51,818 INFO L93 Difference]: Finished difference Result 226 states and 273 transitions. [2024-11-09 11:39:51,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:39:51,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2024-11-09 11:39:51,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:51,821 INFO L225 Difference]: With dead ends: 226 [2024-11-09 11:39:51,824 INFO L226 Difference]: Without dead ends: 222 [2024-11-09 11:39:51,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:51,825 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 73 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:51,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 148 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:39:51,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2024-11-09 11:39:51,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 180. [2024-11-09 11:39:51,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 108 states have (on average 1.8148148148148149) internal successors, (196), 164 states have internal predecessors, (196), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-09 11:39:51,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions. [2024-11-09 11:39:51,845 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 18 [2024-11-09 11:39:51,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:51,845 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions. [2024-11-09 11:39:51,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions. [2024-11-09 11:39:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 11:39:51,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:51,846 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:51,862 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 11:39:52,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:52,051 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:52,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:52,051 INFO L85 PathProgramCache]: Analyzing trace with hash 120393905, now seen corresponding path program 1 times [2024-11-09 11:39:52,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:52,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803155237] [2024-11-09 11:39:52,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:52,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:52,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070353841] [2024-11-09 11:39:52,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:52,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:52,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:52,068 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:52,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:39:52,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:52,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:39:52,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:52,145 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:52,146 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:52,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:52,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803155237] [2024-11-09 11:39:52,148 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:52,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070353841] [2024-11-09 11:39:52,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070353841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:52,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:52,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:39:52,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013059368] [2024-11-09 11:39:52,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:52,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:39:52,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:52,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:39:52,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:52,153 INFO L87 Difference]: Start difference. First operand 180 states and 222 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:52,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:52,509 INFO L93 Difference]: Finished difference Result 285 states and 351 transitions. [2024-11-09 11:39:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:39:52,509 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-09 11:39:52,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:52,511 INFO L225 Difference]: With dead ends: 285 [2024-11-09 11:39:52,511 INFO L226 Difference]: Without dead ends: 277 [2024-11-09 11:39:52,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:52,513 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 86 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:52,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 222 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:39:52,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-09 11:39:52,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 236. [2024-11-09 11:39:52,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 158 states have (on average 1.7721518987341771) internal successors, (280), 214 states have internal predecessors, (280), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-09 11:39:52,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 318 transitions. [2024-11-09 11:39:52,530 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 318 transitions. Word has length 20 [2024-11-09 11:39:52,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:52,531 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 318 transitions. [2024-11-09 11:39:52,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:52,531 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 318 transitions. [2024-11-09 11:39:52,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 11:39:52,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:52,532 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:52,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:39:52,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:52,733 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:52,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:52,734 INFO L85 PathProgramCache]: Analyzing trace with hash -265572461, now seen corresponding path program 1 times [2024-11-09 11:39:52,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:52,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465888279] [2024-11-09 11:39:52,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:52,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:52,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [16675752] [2024-11-09 11:39:52,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:52,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:52,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:52,756 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:52,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:39:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:52,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:39:52,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:52,894 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:52,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:52,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465888279] [2024-11-09 11:39:52,895 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:52,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16675752] [2024-11-09 11:39:52,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16675752] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:52,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:52,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:39:52,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630705721] [2024-11-09 11:39:52,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:52,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:39:52,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:52,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:39:52,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:52,897 INFO L87 Difference]: Start difference. First operand 236 states and 318 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:53,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:53,111 INFO L93 Difference]: Finished difference Result 271 states and 337 transitions. [2024-11-09 11:39:53,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:39:53,112 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-09 11:39:53,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:53,113 INFO L225 Difference]: With dead ends: 271 [2024-11-09 11:39:53,113 INFO L226 Difference]: Without dead ends: 257 [2024-11-09 11:39:53,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:53,114 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 63 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:53,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 161 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:39:53,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-09 11:39:53,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 202. [2024-11-09 11:39:53,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 129 states have (on average 1.689922480620155) internal successors, (218), 185 states have internal predecessors, (218), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-09 11:39:53,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 246 transitions. [2024-11-09 11:39:53,141 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 246 transitions. Word has length 22 [2024-11-09 11:39:53,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:53,141 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 246 transitions. [2024-11-09 11:39:53,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:39:53,141 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 246 transitions. [2024-11-09 11:39:53,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 11:39:53,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:53,142 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] [2024-11-09 11:39:53,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 11:39:53,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:53,346 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:53,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:53,346 INFO L85 PathProgramCache]: Analyzing trace with hash 997499080, now seen corresponding path program 1 times [2024-11-09 11:39:53,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:53,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266999860] [2024-11-09 11:39:53,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:53,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:53,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [736183186] [2024-11-09 11:39:53,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:53,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:53,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:53,365 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:53,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:39:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:53,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:39:53,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:53,461 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:53,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:53,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266999860] [2024-11-09 11:39:53,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:53,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736183186] [2024-11-09 11:39:53,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736183186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:53,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:53,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:39:53,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412729442] [2024-11-09 11:39:53,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:53,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:39:53,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:53,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:39:53,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:53,463 INFO L87 Difference]: Start difference. First operand 202 states and 246 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 11:39:53,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:53,827 INFO L93 Difference]: Finished difference Result 367 states and 469 transitions. [2024-11-09 11:39:53,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:39:53,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 29 [2024-11-09 11:39:53,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:53,830 INFO L225 Difference]: With dead ends: 367 [2024-11-09 11:39:53,830 INFO L226 Difference]: Without dead ends: 359 [2024-11-09 11:39:53,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:39:53,831 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 86 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:53,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 216 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:39:53,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-09 11:39:53,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 283. [2024-11-09 11:39:53,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.681592039800995) internal successors, (338), 257 states have internal predecessors, (338), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:39:53,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 384 transitions. [2024-11-09 11:39:53,852 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 384 transitions. Word has length 29 [2024-11-09 11:39:53,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:53,852 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 384 transitions. [2024-11-09 11:39:53,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 11:39:53,853 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 384 transitions. [2024-11-09 11:39:53,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:39:53,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:53,853 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] [2024-11-09 11:39:53,867 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:39:54,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:54,054 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:54,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:54,055 INFO L85 PathProgramCache]: Analyzing trace with hash 818910986, now seen corresponding path program 1 times [2024-11-09 11:39:54,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:54,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275688614] [2024-11-09 11:39:54,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:54,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:54,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1046162629] [2024-11-09 11:39:54,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:54,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:54,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:54,089 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:54,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:39:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:54,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:54,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:54,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:54,258 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:54,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:54,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275688614] [2024-11-09 11:39:54,259 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:54,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046162629] [2024-11-09 11:39:54,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046162629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:54,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:54,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:54,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447153940] [2024-11-09 11:39:54,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:54,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:54,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:54,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:54,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:54,260 INFO L87 Difference]: Start difference. First operand 283 states and 384 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (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 11:39:54,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:54,515 INFO L93 Difference]: Finished difference Result 337 states and 449 transitions. [2024-11-09 11:39:54,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:54,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (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 31 [2024-11-09 11:39:54,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:54,517 INFO L225 Difference]: With dead ends: 337 [2024-11-09 11:39:54,518 INFO L226 Difference]: Without dead ends: 335 [2024-11-09 11:39:54,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:54,519 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 178 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:54,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 162 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:39:54,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-09 11:39:54,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 283. [2024-11-09 11:39:54,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.6616915422885572) internal successors, (334), 257 states have internal predecessors, (334), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:39:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 380 transitions. [2024-11-09 11:39:54,539 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 380 transitions. Word has length 31 [2024-11-09 11:39:54,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:54,540 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 380 transitions. [2024-11-09 11:39:54,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (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 11:39:54,540 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 380 transitions. [2024-11-09 11:39:54,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 11:39:54,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:54,542 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] [2024-11-09 11:39:54,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:39:54,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:54,743 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:54,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:54,743 INFO L85 PathProgramCache]: Analyzing trace with hash -383563140, now seen corresponding path program 1 times [2024-11-09 11:39:54,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:54,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302428300] [2024-11-09 11:39:54,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:54,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:54,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [906908782] [2024-11-09 11:39:54,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:54,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:54,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:54,763 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:54,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:39:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:54,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:54,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:54,890 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:54,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:54,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302428300] [2024-11-09 11:39:54,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:54,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906908782] [2024-11-09 11:39:54,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906908782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:54,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:54,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:54,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586871561] [2024-11-09 11:39:54,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:54,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:54,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:54,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:54,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:54,891 INFO L87 Difference]: Start difference. First operand 283 states and 380 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (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 11:39:55,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:55,324 INFO L93 Difference]: Finished difference Result 337 states and 445 transitions. [2024-11-09 11:39:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:55,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (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 32 [2024-11-09 11:39:55,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:55,327 INFO L225 Difference]: With dead ends: 337 [2024-11-09 11:39:55,327 INFO L226 Difference]: Without dead ends: 335 [2024-11-09 11:39:55,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:55,328 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 238 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:55,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 147 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:39:55,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-09 11:39:55,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 283. [2024-11-09 11:39:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 201 states have (on average 1.6417910447761195) internal successors, (330), 257 states have internal predecessors, (330), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:39:55,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 376 transitions. [2024-11-09 11:39:55,347 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 376 transitions. Word has length 32 [2024-11-09 11:39:55,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:55,348 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 376 transitions. [2024-11-09 11:39:55,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (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 11:39:55,348 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 376 transitions. [2024-11-09 11:39:55,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 11:39:55,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:55,349 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] [2024-11-09 11:39:55,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 11:39:55,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:55,554 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:55,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:55,556 INFO L85 PathProgramCache]: Analyzing trace with hash 994444620, now seen corresponding path program 1 times [2024-11-09 11:39:55,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:55,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84690511] [2024-11-09 11:39:55,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:55,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:55,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [828441893] [2024-11-09 11:39:55,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:55,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:55,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:55,586 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:55,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:39:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:55,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:55,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:55,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:55,672 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:55,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:55,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84690511] [2024-11-09 11:39:55,673 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:55,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828441893] [2024-11-09 11:39:55,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828441893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:55,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:55,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:55,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581828965] [2024-11-09 11:39:55,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:55,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:55,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:55,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:55,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:55,674 INFO L87 Difference]: Start difference. First operand 283 states and 376 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 11:39:56,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:56,387 INFO L93 Difference]: Finished difference Result 357 states and 449 transitions. [2024-11-09 11:39:56,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:56,387 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 33 [2024-11-09 11:39:56,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:56,390 INFO L225 Difference]: With dead ends: 357 [2024-11-09 11:39:56,390 INFO L226 Difference]: Without dead ends: 355 [2024-11-09 11:39:56,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:56,391 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 148 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:56,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 179 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:39:56,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-09 11:39:56,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 284. [2024-11-09 11:39:56,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 202 states have (on average 1.6237623762376239) internal successors, (328), 258 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:39:56,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 374 transitions. [2024-11-09 11:39:56,404 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 374 transitions. Word has length 33 [2024-11-09 11:39:56,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:56,405 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 374 transitions. [2024-11-09 11:39:56,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 11:39:56,405 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 374 transitions. [2024-11-09 11:39:56,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:39:56,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:56,406 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] [2024-11-09 11:39:56,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:39:56,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:56,610 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:56,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:56,610 INFO L85 PathProgramCache]: Analyzing trace with hash 763012222, now seen corresponding path program 1 times [2024-11-09 11:39:56,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:56,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045371353] [2024-11-09 11:39:56,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:56,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:56,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:56,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311647852] [2024-11-09 11:39:56,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:56,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:56,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:56,628 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:56,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:39:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:56,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:56,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:56,806 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 11:39:56,806 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:56,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:56,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045371353] [2024-11-09 11:39:56,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:56,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311647852] [2024-11-09 11:39:56,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311647852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:56,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:56,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:56,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531588014] [2024-11-09 11:39:56,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:56,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:56,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:56,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:56,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:56,809 INFO L87 Difference]: Start difference. First operand 284 states and 374 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (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 11:39:57,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:57,659 INFO L93 Difference]: Finished difference Result 357 states and 445 transitions. [2024-11-09 11:39:57,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:57,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (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 34 [2024-11-09 11:39:57,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:57,663 INFO L225 Difference]: With dead ends: 357 [2024-11-09 11:39:57,664 INFO L226 Difference]: Without dead ends: 355 [2024-11-09 11:39:57,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:57,665 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 147 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:57,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 206 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:39:57,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-09 11:39:57,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 285. [2024-11-09 11:39:57,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 203 states have (on average 1.6059113300492611) internal successors, (326), 259 states have internal predecessors, (326), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:39:57,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 372 transitions. [2024-11-09 11:39:57,685 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 372 transitions. Word has length 34 [2024-11-09 11:39:57,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:57,686 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 372 transitions. [2024-11-09 11:39:57,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (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 11:39:57,686 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 372 transitions. [2024-11-09 11:39:57,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:39:57,687 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:57,688 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:57,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:39:57,888 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,SelfDestructingSolverStorable10 [2024-11-09 11:39:57,889 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:57,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:57,889 INFO L85 PathProgramCache]: Analyzing trace with hash 97827175, now seen corresponding path program 1 times [2024-11-09 11:39:57,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:57,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730144540] [2024-11-09 11:39:57,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:57,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:57,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1280809408] [2024-11-09 11:39:57,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:57,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:57,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:57,907 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:57,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:39:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:57,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:57,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:58,053 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 11:39:58,053 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:58,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:58,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730144540] [2024-11-09 11:39:58,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:58,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280809408] [2024-11-09 11:39:58,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280809408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:58,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:58,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:58,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879369837] [2024-11-09 11:39:58,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:58,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:58,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:58,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:58,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:58,056 INFO L87 Difference]: Start difference. First operand 285 states and 372 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:39:58,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:58,479 INFO L93 Difference]: Finished difference Result 308 states and 391 transitions. [2024-11-09 11:39:58,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:58,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 42 [2024-11-09 11:39:58,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:58,481 INFO L225 Difference]: With dead ends: 308 [2024-11-09 11:39:58,481 INFO L226 Difference]: Without dead ends: 306 [2024-11-09 11:39:58,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:58,482 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 162 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:58,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 189 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:39:58,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-09 11:39:58,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 286. [2024-11-09 11:39:58,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 204 states have (on average 1.5931372549019607) internal successors, (325), 260 states have internal predecessors, (325), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:39:58,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 371 transitions. [2024-11-09 11:39:58,496 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 371 transitions. Word has length 42 [2024-11-09 11:39:58,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:58,497 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 371 transitions. [2024-11-09 11:39:58,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:39:58,497 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 371 transitions. [2024-11-09 11:39:58,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 11:39:58,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:58,500 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:58,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:39:58,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:58,700 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:58,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:58,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1262324788, now seen corresponding path program 1 times [2024-11-09 11:39:58,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:58,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886291754] [2024-11-09 11:39:58,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:58,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:58,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1626067059] [2024-11-09 11:39:58,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:58,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:58,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:58,715 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:58,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:39:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:58,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:58,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 11:39:58,852 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:58,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:58,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886291754] [2024-11-09 11:39:58,852 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:58,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626067059] [2024-11-09 11:39:58,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626067059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:58,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:58,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:58,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650875034] [2024-11-09 11:39:58,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:58,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:58,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:58,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:58,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:58,854 INFO L87 Difference]: Start difference. First operand 286 states and 371 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:39:59,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:39:59,196 INFO L93 Difference]: Finished difference Result 308 states and 388 transitions. [2024-11-09 11:39:59,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:39:59,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-09 11:39:59,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:39:59,198 INFO L225 Difference]: With dead ends: 308 [2024-11-09 11:39:59,198 INFO L226 Difference]: Without dead ends: 306 [2024-11-09 11:39:59,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:59,199 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 161 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:39:59,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 177 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:39:59,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-09 11:39:59,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 287. [2024-11-09 11:39:59,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 205 states have (on average 1.5804878048780489) internal successors, (324), 261 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:39:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 370 transitions. [2024-11-09 11:39:59,210 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 370 transitions. Word has length 43 [2024-11-09 11:39:59,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:39:59,211 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 370 transitions. [2024-11-09 11:39:59,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:39:59,211 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 370 transitions. [2024-11-09 11:39:59,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:39:59,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:39:59,212 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:39:59,229 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:39:59,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 11:39:59,417 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:39:59,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:39:59,417 INFO L85 PathProgramCache]: Analyzing trace with hash -477362679, now seen corresponding path program 1 times [2024-11-09 11:39:59,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:39:59,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238444541] [2024-11-09 11:39:59,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:59,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:39:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:39:59,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1503557285] [2024-11-09 11:39:59,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:39:59,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:39:59,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:39:59,441 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:39:59,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:39:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:39:59,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:39:59,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:39:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 11:39:59,530 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:39:59,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:39:59,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238444541] [2024-11-09 11:39:59,531 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:39:59,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503557285] [2024-11-09 11:39:59,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503557285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:39:59,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:39:59,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:39:59,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830062216] [2024-11-09 11:39:59,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:39:59,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:39:59,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:39:59,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:39:59,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:39:59,534 INFO L87 Difference]: Start difference. First operand 287 states and 370 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:40:00,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:00,399 INFO L93 Difference]: Finished difference Result 316 states and 377 transitions. [2024-11-09 11:40:00,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:00,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-09 11:40:00,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:00,402 INFO L225 Difference]: With dead ends: 316 [2024-11-09 11:40:00,402 INFO L226 Difference]: Without dead ends: 314 [2024-11-09 11:40:00,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:00,403 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 82 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:00,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 258 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:40:00,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-09 11:40:00,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 288. [2024-11-09 11:40:00,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 206 states have (on average 1.5679611650485437) internal successors, (323), 262 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:40:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 369 transitions. [2024-11-09 11:40:00,415 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 369 transitions. Word has length 44 [2024-11-09 11:40:00,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:00,415 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 369 transitions. [2024-11-09 11:40:00,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:40:00,416 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 369 transitions. [2024-11-09 11:40:00,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:40:00,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:00,417 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:00,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:40:00,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 11:40:00,622 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:00,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:00,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1913341074, now seen corresponding path program 1 times [2024-11-09 11:40:00,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:00,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245182681] [2024-11-09 11:40:00,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:00,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:00,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549622409] [2024-11-09 11:40:00,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:00,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:00,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:00,637 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:00,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:40:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:00,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:00,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 11:40:00,797 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:00,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:00,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245182681] [2024-11-09 11:40:00,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:00,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549622409] [2024-11-09 11:40:00,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549622409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:00,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:00,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:00,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881822974] [2024-11-09 11:40:00,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:00,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:00,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:00,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:00,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:00,799 INFO L87 Difference]: Start difference. First operand 288 states and 369 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:40:01,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:01,466 INFO L93 Difference]: Finished difference Result 316 states and 374 transitions. [2024-11-09 11:40:01,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:01,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-09 11:40:01,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:01,467 INFO L225 Difference]: With dead ends: 316 [2024-11-09 11:40:01,467 INFO L226 Difference]: Without dead ends: 314 [2024-11-09 11:40:01,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:01,468 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 133 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:01,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 224 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:01,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-09 11:40:01,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 289. [2024-11-09 11:40:01,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 207 states have (on average 1.5555555555555556) internal successors, (322), 263 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:40:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 368 transitions. [2024-11-09 11:40:01,481 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 368 transitions. Word has length 45 [2024-11-09 11:40:01,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:01,482 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 368 transitions. [2024-11-09 11:40:01,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:40:01,482 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 368 transitions. [2024-11-09 11:40:01,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:40:01,483 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:01,483 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:01,502 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 11:40:01,684 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,SelfDestructingSolverStorable14 [2024-11-09 11:40:01,685 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:01,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:01,685 INFO L85 PathProgramCache]: Analyzing trace with hash 2077001505, now seen corresponding path program 1 times [2024-11-09 11:40:01,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:01,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279796340] [2024-11-09 11:40:01,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:01,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,778 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:01,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:01,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279796340] [2024-11-09 11:40:01,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279796340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:01,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:01,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:01,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831310510] [2024-11-09 11:40:01,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:01,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:01,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:01,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:01,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:01,780 INFO L87 Difference]: Start difference. First operand 289 states and 368 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:40:01,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:01,842 INFO L93 Difference]: Finished difference Result 380 states and 485 transitions. [2024-11-09 11:40:01,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:01,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 52 [2024-11-09 11:40:01,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:01,844 INFO L225 Difference]: With dead ends: 380 [2024-11-09 11:40:01,845 INFO L226 Difference]: Without dead ends: 378 [2024-11-09 11:40:01,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:01,845 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 46 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:01,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 283 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:40:01,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2024-11-09 11:40:01,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 291. [2024-11-09 11:40:01,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 210 states have (on average 1.5333333333333334) internal successors, (322), 265 states have internal predecessors, (322), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:40:01,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 368 transitions. [2024-11-09 11:40:01,860 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 368 transitions. Word has length 52 [2024-11-09 11:40:01,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:01,861 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 368 transitions. [2024-11-09 11:40:01,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:40:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 368 transitions. [2024-11-09 11:40:01,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 11:40:01,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:01,865 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-09 11:40:01,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-09 11:40:01,865 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:01,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:01,866 INFO L85 PathProgramCache]: Analyzing trace with hash -37462655, now seen corresponding path program 1 times [2024-11-09 11:40:01,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:01,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630858829] [2024-11-09 11:40:01,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:01,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:01,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:01,946 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:01,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:01,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630858829] [2024-11-09 11:40:01,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630858829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:01,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:01,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:01,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183854442] [2024-11-09 11:40:01,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:01,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:01,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:01,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:01,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:01,949 INFO L87 Difference]: Start difference. First operand 291 states and 368 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:40:02,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:02,009 INFO L93 Difference]: Finished difference Result 379 states and 479 transitions. [2024-11-09 11:40:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:02,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 53 [2024-11-09 11:40:02,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:02,011 INFO L225 Difference]: With dead ends: 379 [2024-11-09 11:40:02,012 INFO L226 Difference]: Without dead ends: 377 [2024-11-09 11:40:02,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:02,012 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 45 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:02,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 296 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:40:02,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-09 11:40:02,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2024-11-09 11:40:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 213 states have (on average 1.5023474178403755) internal successors, (320), 267 states have internal predecessors, (320), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:40:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 366 transitions. [2024-11-09 11:40:02,026 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 366 transitions. Word has length 53 [2024-11-09 11:40:02,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:02,026 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 366 transitions. [2024-11-09 11:40:02,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-09 11:40:02,027 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 366 transitions. [2024-11-09 11:40:02,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 11:40:02,027 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:02,028 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-09 11:40:02,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 11:40:02,028 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:02,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:02,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1161300465, now seen corresponding path program 1 times [2024-11-09 11:40:02,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:02,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330887962] [2024-11-09 11:40:02,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:02,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,117 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:02,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:02,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330887962] [2024-11-09 11:40:02,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330887962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:02,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:02,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:02,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639328160] [2024-11-09 11:40:02,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:02,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:02,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:02,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:02,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:02,120 INFO L87 Difference]: Start difference. First operand 293 states and 366 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:02,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:02,860 INFO L93 Difference]: Finished difference Result 378 states and 471 transitions. [2024-11-09 11:40:02,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:40:02,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-11-09 11:40:02,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:02,862 INFO L225 Difference]: With dead ends: 378 [2024-11-09 11:40:02,863 INFO L226 Difference]: Without dead ends: 377 [2024-11-09 11:40:02,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:40:02,863 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 170 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:02,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 190 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:02,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-09 11:40:02,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 293. [2024-11-09 11:40:02,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 213 states have (on average 1.4976525821596245) internal successors, (319), 267 states have internal predecessors, (319), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:40:02,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 365 transitions. [2024-11-09 11:40:02,883 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 365 transitions. Word has length 54 [2024-11-09 11:40:02,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:02,884 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 365 transitions. [2024-11-09 11:40:02,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:02,884 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 365 transitions. [2024-11-09 11:40:02,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 11:40:02,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:02,887 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-09 11:40:02,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-09 11:40:02,887 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:02,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:02,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1161314367, now seen corresponding path program 1 times [2024-11-09 11:40:02,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:02,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680925318] [2024-11-09 11:40:02,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:02,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:02,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:02,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680925318] [2024-11-09 11:40:02,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680925318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:02,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:02,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:02,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196056350] [2024-11-09 11:40:02,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:02,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:02,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:02,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:02,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:02,993 INFO L87 Difference]: Start difference. First operand 293 states and 365 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:03,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:03,712 INFO L93 Difference]: Finished difference Result 380 states and 473 transitions. [2024-11-09 11:40:03,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:40:03,712 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 54 [2024-11-09 11:40:03,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:03,714 INFO L225 Difference]: With dead ends: 380 [2024-11-09 11:40:03,714 INFO L226 Difference]: Without dead ends: 379 [2024-11-09 11:40:03,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:40:03,715 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 170 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:03,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 190 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:03,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-09 11:40:03,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 295. [2024-11-09 11:40:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 215 states have (on average 1.4930232558139536) internal successors, (321), 269 states have internal predecessors, (321), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:40:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 367 transitions. [2024-11-09 11:40:03,732 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 367 transitions. Word has length 54 [2024-11-09 11:40:03,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:03,732 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 367 transitions. [2024-11-09 11:40:03,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:03,733 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 367 transitions. [2024-11-09 11:40:03,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-09 11:40:03,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:03,734 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:03,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-09 11:40:03,734 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:03,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:03,734 INFO L85 PathProgramCache]: Analyzing trace with hash -340468281, now seen corresponding path program 1 times [2024-11-09 11:40:03,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:03,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963398762] [2024-11-09 11:40:03,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:03,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:03,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:03,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:03,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963398762] [2024-11-09 11:40:03,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963398762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:03,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:03,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:40:03,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248954484] [2024-11-09 11:40:03,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:03,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:40:03,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:03,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:40:03,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:03,810 INFO L87 Difference]: Start difference. First operand 295 states and 367 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:04,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:04,032 INFO L93 Difference]: Finished difference Result 355 states and 435 transitions. [2024-11-09 11:40:04,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:04,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 57 [2024-11-09 11:40:04,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:04,035 INFO L225 Difference]: With dead ends: 355 [2024-11-09 11:40:04,035 INFO L226 Difference]: Without dead ends: 351 [2024-11-09 11:40:04,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:40:04,036 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 47 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:04,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 154 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:40:04,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-09 11:40:04,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 305. [2024-11-09 11:40:04,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 225 states have (on average 1.4755555555555555) internal successors, (332), 279 states have internal predecessors, (332), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 11:40:04,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 378 transitions. [2024-11-09 11:40:04,052 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 378 transitions. Word has length 57 [2024-11-09 11:40:04,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:04,052 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 378 transitions. [2024-11-09 11:40:04,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:04,053 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 378 transitions. [2024-11-09 11:40:04,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-09 11:40:04,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:04,054 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:04,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-09 11:40:04,054 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:04,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:04,054 INFO L85 PathProgramCache]: Analyzing trace with hash 657109751, now seen corresponding path program 1 times [2024-11-09 11:40:04,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:04,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333965962] [2024-11-09 11:40:04,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:04,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:04,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:04,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333965962] [2024-11-09 11:40:04,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333965962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:04,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100275326] [2024-11-09 11:40:04,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:04,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:04,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:04,161 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:04,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:40:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:04,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:04,307 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:04,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100275326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:04,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:04,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 11:40:04,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992953148] [2024-11-09 11:40:04,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:04,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:40:04,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:04,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:40:04,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:04,309 INFO L87 Difference]: Start difference. First operand 305 states and 378 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:04,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:04,382 INFO L93 Difference]: Finished difference Result 397 states and 486 transitions. [2024-11-09 11:40:04,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:40:04,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 61 [2024-11-09 11:40:04,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:04,385 INFO L225 Difference]: With dead ends: 397 [2024-11-09 11:40:04,385 INFO L226 Difference]: Without dead ends: 396 [2024-11-09 11:40:04,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 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 11:40:04,387 INFO L432 NwaCegarLoop]: 190 mSDtfsCounter, 104 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:04,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 611 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:40:04,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-09 11:40:04,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 358. [2024-11-09 11:40:04,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 358 states, 270 states have (on average 1.4814814814814814) internal successors, (400), 325 states have internal predecessors, (400), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 11:40:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 462 transitions. [2024-11-09 11:40:04,416 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 462 transitions. Word has length 61 [2024-11-09 11:40:04,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:04,416 INFO L471 AbstractCegarLoop]: Abstraction has 358 states and 462 transitions. [2024-11-09 11:40:04,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:04,417 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 462 transitions. [2024-11-09 11:40:04,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 11:40:04,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:04,417 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:04,434 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 11:40:04,621 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,SelfDestructingSolverStorable20 [2024-11-09 11:40:04,622 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:04,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:04,622 INFO L85 PathProgramCache]: Analyzing trace with hash 122279784, now seen corresponding path program 1 times [2024-11-09 11:40:04,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:04,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872014474] [2024-11-09 11:40:04,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:04,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,712 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:04,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:04,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872014474] [2024-11-09 11:40:04,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872014474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:04,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748989765] [2024-11-09 11:40:04,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:04,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:04,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:04,715 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:04,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:40:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:04,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:40:04,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:04,866 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:04,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:04,985 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:04,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748989765] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:04,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:40:04,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 6] total 13 [2024-11-09 11:40:04,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509895176] [2024-11-09 11:40:04,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:04,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:40:04,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:04,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:40:04,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:40:04,987 INFO L87 Difference]: Start difference. First operand 358 states and 462 transitions. Second operand has 13 states, 13 states have (on average 9.615384615384615) internal successors, (125), 13 states have internal predecessors, (125), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 11:40:07,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:07,249 INFO L93 Difference]: Finished difference Result 962 states and 1155 transitions. [2024-11-09 11:40:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-09 11:40:07,250 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.615384615384615) internal successors, (125), 13 states have internal predecessors, (125), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 63 [2024-11-09 11:40:07,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:07,252 INFO L225 Difference]: With dead ends: 962 [2024-11-09 11:40:07,252 INFO L226 Difference]: Without dead ends: 861 [2024-11-09 11:40:07,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=309, Invalid=951, Unknown=0, NotChecked=0, Total=1260 [2024-11-09 11:40:07,256 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 889 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 895 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:07,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [895 Valid, 579 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-09 11:40:07,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2024-11-09 11:40:07,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 687. [2024-11-09 11:40:07,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 565 states have (on average 1.4690265486725664) internal successors, (830), 625 states have internal predecessors, (830), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-09 11:40:07,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 954 transitions. [2024-11-09 11:40:07,308 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 954 transitions. Word has length 63 [2024-11-09 11:40:07,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:07,308 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 954 transitions. [2024-11-09 11:40:07,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.615384615384615) internal successors, (125), 13 states have internal predecessors, (125), 6 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-09 11:40:07,308 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 954 transitions. [2024-11-09 11:40:07,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-09 11:40:07,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:07,309 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:07,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-09 11:40:07,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:07,510 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:07,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:07,510 INFO L85 PathProgramCache]: Analyzing trace with hash 122279769, now seen corresponding path program 1 times [2024-11-09 11:40:07,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:07,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123274044] [2024-11-09 11:40:07,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:07,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:07,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [903598034] [2024-11-09 11:40:07,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:07,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:07,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:07,531 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:07,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:40:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:07,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:40:07,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:07,758 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:07,758 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:07,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:07,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123274044] [2024-11-09 11:40:07,918 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:07,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903598034] [2024-11-09 11:40:07,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903598034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:07,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:07,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-09 11:40:07,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799412034] [2024-11-09 11:40:07,919 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:07,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:07,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:07,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:07,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:07,920 INFO L87 Difference]: Start difference. First operand 687 states and 954 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:08,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:08,410 INFO L93 Difference]: Finished difference Result 732 states and 1017 transitions. [2024-11-09 11:40:08,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:08,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 63 [2024-11-09 11:40:08,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:08,416 INFO L225 Difference]: With dead ends: 732 [2024-11-09 11:40:08,417 INFO L226 Difference]: Without dead ends: 730 [2024-11-09 11:40:08,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:08,418 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 39 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:08,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 196 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:40:08,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2024-11-09 11:40:08,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 690. [2024-11-09 11:40:08,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 568 states have (on average 1.4595070422535212) internal successors, (829), 628 states have internal predecessors, (829), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-09 11:40:08,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 953 transitions. [2024-11-09 11:40:08,476 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 953 transitions. Word has length 63 [2024-11-09 11:40:08,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:08,476 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 953 transitions. [2024-11-09 11:40:08,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:08,476 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 953 transitions. [2024-11-09 11:40:08,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 11:40:08,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:08,477 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:08,495 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 11:40:08,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:08,678 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:08,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:08,678 INFO L85 PathProgramCache]: Analyzing trace with hash 168760158, now seen corresponding path program 1 times [2024-11-09 11:40:08,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:08,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994230826] [2024-11-09 11:40:08,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:08,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:08,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:08,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:08,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:08,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:08,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:08,799 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-09 11:40:08,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:08,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994230826] [2024-11-09 11:40:08,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994230826] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:08,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502519026] [2024-11-09 11:40:08,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:08,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:08,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:08,802 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:08,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:40:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:08,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:40:08,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:09,058 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:09,059 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:09,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502519026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:09,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:09,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-09 11:40:09,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695437460] [2024-11-09 11:40:09,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:09,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:09,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:09,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:09,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:40:09,061 INFO L87 Difference]: Start difference. First operand 690 states and 953 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:09,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:09,781 INFO L93 Difference]: Finished difference Result 737 states and 1025 transitions. [2024-11-09 11:40:09,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:40:09,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 65 [2024-11-09 11:40:09,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:09,784 INFO L225 Difference]: With dead ends: 737 [2024-11-09 11:40:09,784 INFO L226 Difference]: Without dead ends: 736 [2024-11-09 11:40:09,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:09,786 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 90 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:09,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 138 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:09,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-09 11:40:09,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 690. [2024-11-09 11:40:09,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 568 states have (on average 1.4524647887323943) internal successors, (825), 628 states have internal predecessors, (825), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-09 11:40:09,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 949 transitions. [2024-11-09 11:40:09,833 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 949 transitions. Word has length 65 [2024-11-09 11:40:09,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:09,833 INFO L471 AbstractCegarLoop]: Abstraction has 690 states and 949 transitions. [2024-11-09 11:40:09,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:09,833 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 949 transitions. [2024-11-09 11:40:09,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 11:40:09,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:09,835 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-09 11:40:09,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:40:10,035 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,SelfDestructingSolverStorable23 [2024-11-09 11:40:10,036 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:10,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:10,036 INFO L85 PathProgramCache]: Analyzing trace with hash -504294404, now seen corresponding path program 1 times [2024-11-09 11:40:10,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:10,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967130170] [2024-11-09 11:40:10,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:10,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:10,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:10,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [952927995] [2024-11-09 11:40:10,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:10,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:10,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:10,058 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:10,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:40:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:10,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:40:10,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:10,312 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:10,312 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:10,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:10,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967130170] [2024-11-09 11:40:10,804 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:10,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952927995] [2024-11-09 11:40:10,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952927995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:10,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:10,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-09 11:40:10,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509147275] [2024-11-09 11:40:10,805 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:10,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:10,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:10,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:10,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:10,806 INFO L87 Difference]: Start difference. First operand 690 states and 949 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:11,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:11,176 INFO L93 Difference]: Finished difference Result 732 states and 1006 transitions. [2024-11-09 11:40:11,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:40:11,177 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-09 11:40:11,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:11,182 INFO L225 Difference]: With dead ends: 732 [2024-11-09 11:40:11,182 INFO L226 Difference]: Without dead ends: 730 [2024-11-09 11:40:11,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:40:11,184 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 39 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:11,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 197 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:11,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2024-11-09 11:40:11,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 693. [2024-11-09 11:40:11,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 571 states have (on average 1.4430823117338003) internal successors, (824), 631 states have internal predecessors, (824), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-09 11:40:11,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 948 transitions. [2024-11-09 11:40:11,244 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 948 transitions. Word has length 64 [2024-11-09 11:40:11,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:11,245 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 948 transitions. [2024-11-09 11:40:11,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:11,246 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 948 transitions. [2024-11-09 11:40:11,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-09 11:40:11,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:11,246 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:11,267 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 11:40:11,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:11,447 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:11,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:11,448 INFO L85 PathProgramCache]: Analyzing trace with hash 936597749, now seen corresponding path program 1 times [2024-11-09 11:40:11,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:11,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235373830] [2024-11-09 11:40:11,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:11,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:11,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-09 11:40:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,682 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 11:40:11,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:11,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235373830] [2024-11-09 11:40:11,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235373830] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:11,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948259344] [2024-11-09 11:40:11,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:11,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:11,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:11,685 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:11,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:40:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:11,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:40:11,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:40:11,941 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:11,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948259344] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:11,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:11,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-09 11:40:11,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323798977] [2024-11-09 11:40:11,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:11,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:11,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:11,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:11,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:40:11,943 INFO L87 Difference]: Start difference. First operand 693 states and 948 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:12,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:12,520 INFO L93 Difference]: Finished difference Result 737 states and 1014 transitions. [2024-11-09 11:40:12,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:12,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 66 [2024-11-09 11:40:12,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:12,523 INFO L225 Difference]: With dead ends: 737 [2024-11-09 11:40:12,524 INFO L226 Difference]: Without dead ends: 736 [2024-11-09 11:40:12,524 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:40:12,525 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 87 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:12,525 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 145 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:40:12,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-09 11:40:12,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 693. [2024-11-09 11:40:12,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 571 states have (on average 1.436077057793345) internal successors, (820), 631 states have internal predecessors, (820), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-09 11:40:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 944 transitions. [2024-11-09 11:40:12,570 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 944 transitions. Word has length 66 [2024-11-09 11:40:12,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:12,571 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 944 transitions. [2024-11-09 11:40:12,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:12,571 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 944 transitions. [2024-11-09 11:40:12,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 11:40:12,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:12,572 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:12,589 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 11:40:12,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:12,773 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:12,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:12,773 INFO L85 PathProgramCache]: Analyzing trace with hash 361066525, now seen corresponding path program 1 times [2024-11-09 11:40:12,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:12,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609246442] [2024-11-09 11:40:12,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:12,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:12,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1073795960] [2024-11-09 11:40:12,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:12,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:12,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:12,790 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:12,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:40:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:12,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:12,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:12,899 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 11:40:12,900 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:12,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:12,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609246442] [2024-11-09 11:40:12,900 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:12,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073795960] [2024-11-09 11:40:12,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073795960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:12,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:12,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:12,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473007708] [2024-11-09 11:40:12,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:12,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:12,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:12,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:12,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:12,902 INFO L87 Difference]: Start difference. First operand 693 states and 944 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:13,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:13,550 INFO L93 Difference]: Finished difference Result 745 states and 995 transitions. [2024-11-09 11:40:13,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:13,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 67 [2024-11-09 11:40:13,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:13,553 INFO L225 Difference]: With dead ends: 745 [2024-11-09 11:40:13,553 INFO L226 Difference]: Without dead ends: 744 [2024-11-09 11:40:13,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:13,554 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 119 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:13,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 173 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:13,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-09 11:40:13,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 693. [2024-11-09 11:40:13,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 571 states have (on average 1.4308231173380035) internal successors, (817), 631 states have internal predecessors, (817), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-09 11:40:13,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 941 transitions. [2024-11-09 11:40:13,599 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 941 transitions. Word has length 67 [2024-11-09 11:40:13,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:13,600 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 941 transitions. [2024-11-09 11:40:13,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:13,600 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 941 transitions. [2024-11-09 11:40:13,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 11:40:13,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:13,601 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:13,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:13,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:13,801 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:13,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:13,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1691839552, now seen corresponding path program 1 times [2024-11-09 11:40:13,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:13,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945132680] [2024-11-09 11:40:13,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:13,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:13,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [184668795] [2024-11-09 11:40:13,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:13,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:13,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:13,815 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:13,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-09 11:40:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:13,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:13,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:14,030 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:40:14,030 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:40:14,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:14,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945132680] [2024-11-09 11:40:14,031 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:14,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184668795] [2024-11-09 11:40:14,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184668795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:40:14,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:40:14,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:40:14,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435586334] [2024-11-09 11:40:14,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:40:14,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:40:14,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:14,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:40:14,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:14,032 INFO L87 Difference]: Start difference. First operand 693 states and 941 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:14,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:14,745 INFO L93 Difference]: Finished difference Result 747 states and 992 transitions. [2024-11-09 11:40:14,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:40:14,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 68 [2024-11-09 11:40:14,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:14,747 INFO L225 Difference]: With dead ends: 747 [2024-11-09 11:40:14,747 INFO L226 Difference]: Without dead ends: 744 [2024-11-09 11:40:14,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:40:14,748 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 119 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:14,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 180 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:14,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-09 11:40:14,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 702. [2024-11-09 11:40:14,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 580 states have (on average 1.4206896551724137) internal successors, (824), 640 states have internal predecessors, (824), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-09 11:40:14,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 948 transitions. [2024-11-09 11:40:14,793 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 948 transitions. Word has length 68 [2024-11-09 11:40:14,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:14,794 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 948 transitions. [2024-11-09 11:40:14,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-09 11:40:14,794 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 948 transitions. [2024-11-09 11:40:14,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-09 11:40:14,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:14,795 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:14,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:14,995 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,SelfDestructingSolverStorable27 [2024-11-09 11:40:14,996 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:14,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:14,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1020167632, now seen corresponding path program 1 times [2024-11-09 11:40:14,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:14,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966235754] [2024-11-09 11:40:14,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:14,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:15,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [514088066] [2024-11-09 11:40:15,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:15,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:15,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:15,020 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:15,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-09 11:40:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:15,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:40:15,072 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 11:40:15,431 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:16,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:16,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966235754] [2024-11-09 11:40:16,919 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:16,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514088066] [2024-11-09 11:40:16,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514088066] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:16,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:16,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:40:16,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540459459] [2024-11-09 11:40:16,921 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:16,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:40:16,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:16,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:40:16,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-09 11:40:16,922 INFO L87 Difference]: Start difference. First operand 702 states and 948 transitions. Second operand has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:17,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:17,663 INFO L93 Difference]: Finished difference Result 859 states and 1165 transitions. [2024-11-09 11:40:17,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:40:17,664 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 74 [2024-11-09 11:40:17,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:17,667 INFO L225 Difference]: With dead ends: 859 [2024-11-09 11:40:17,668 INFO L226 Difference]: Without dead ends: 855 [2024-11-09 11:40:17,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-09 11:40:17,669 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 233 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:17,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 362 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:17,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-11-09 11:40:17,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 763. [2024-11-09 11:40:17,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 633 states have (on average 1.4360189573459716) internal successors, (909), 695 states have internal predecessors, (909), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 61 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-09 11:40:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1049 transitions. [2024-11-09 11:40:17,720 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1049 transitions. Word has length 74 [2024-11-09 11:40:17,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:17,721 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 1049 transitions. [2024-11-09 11:40:17,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.833333333333334) internal successors, (53), 7 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:17,721 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1049 transitions. [2024-11-09 11:40:17,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-09 11:40:17,722 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:17,722 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-09 11:40:17,738 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-09 11:40:17,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 11:40:17,923 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:17,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:17,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1560425454, now seen corresponding path program 1 times [2024-11-09 11:40:17,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:17,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125405409] [2024-11-09 11:40:17,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:17,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:17,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1279744652] [2024-11-09 11:40:17,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:17,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:17,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:17,939 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:17,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-09 11:40:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:17,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:40:17,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 11:40:18,334 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:19,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:19,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125405409] [2024-11-09 11:40:19,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:19,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279744652] [2024-11-09 11:40:19,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279744652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:19,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:19,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:40:19,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254620009] [2024-11-09 11:40:19,105 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:19,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:40:19,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:19,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:40:19,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:40:19,106 INFO L87 Difference]: Start difference. First operand 763 states and 1049 transitions. Second operand has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:19,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:19,545 INFO L93 Difference]: Finished difference Result 785 states and 1062 transitions. [2024-11-09 11:40:19,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:40:19,545 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 75 [2024-11-09 11:40:19,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:19,548 INFO L225 Difference]: With dead ends: 785 [2024-11-09 11:40:19,548 INFO L226 Difference]: Without dead ends: 779 [2024-11-09 11:40:19,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:40:19,549 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 149 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:19,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 425 Invalid, 522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:40:19,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-11-09 11:40:19,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 757. [2024-11-09 11:40:19,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 633 states have (on average 1.387045813586098) internal successors, (878), 689 states have internal predecessors, (878), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 61 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-09 11:40:19,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1018 transitions. [2024-11-09 11:40:19,598 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1018 transitions. Word has length 75 [2024-11-09 11:40:19,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:19,599 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1018 transitions. [2024-11-09 11:40:19,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:19,599 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1018 transitions. [2024-11-09 11:40:19,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-09 11:40:19,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:19,600 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:19,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:19,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:19,801 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:19,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:19,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1128548750, now seen corresponding path program 1 times [2024-11-09 11:40:19,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:19,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743691022] [2024-11-09 11:40:19,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:19,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:19,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [720631308] [2024-11-09 11:40:19,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:19,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:19,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:19,819 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:19,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-09 11:40:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:19,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:40:19,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:20,262 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 11:40:20,262 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:20,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:20,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743691022] [2024-11-09 11:40:20,393 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:20,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720631308] [2024-11-09 11:40:20,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720631308] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:20,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:20,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:40:20,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735108094] [2024-11-09 11:40:20,393 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:20,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:40:20,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:20,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:40:20,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:40:20,394 INFO L87 Difference]: Start difference. First operand 757 states and 1018 transitions. Second operand has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:21,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:21,250 INFO L93 Difference]: Finished difference Result 994 states and 1384 transitions. [2024-11-09 11:40:21,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:40:21,250 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 76 [2024-11-09 11:40:21,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:21,254 INFO L225 Difference]: With dead ends: 994 [2024-11-09 11:40:21,254 INFO L226 Difference]: Without dead ends: 986 [2024-11-09 11:40:21,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:40:21,255 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 439 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:21,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 303 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:21,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2024-11-09 11:40:21,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 952. [2024-11-09 11:40:21,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 808 states have (on average 1.426980198019802) internal successors, (1153), 866 states have internal predecessors, (1153), 90 states have call successors, (90), 6 states have call predecessors, (90), 6 states have return successors, (90), 79 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-09 11:40:21,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1333 transitions. [2024-11-09 11:40:21,315 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1333 transitions. Word has length 76 [2024-11-09 11:40:21,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:21,315 INFO L471 AbstractCegarLoop]: Abstraction has 952 states and 1333 transitions. [2024-11-09 11:40:21,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:21,315 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1333 transitions. [2024-11-09 11:40:21,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-09 11:40:21,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:21,316 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:21,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:21,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:21,517 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:21,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:21,517 INFO L85 PathProgramCache]: Analyzing trace with hash -625272812, now seen corresponding path program 1 times [2024-11-09 11:40:21,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:21,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590283359] [2024-11-09 11:40:21,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:21,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:21,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1243351660] [2024-11-09 11:40:21,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:21,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:21,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:21,531 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:21,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-09 11:40:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:21,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 11:40:21,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 11:40:21,914 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:22,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:22,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590283359] [2024-11-09 11:40:22,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:22,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243351660] [2024-11-09 11:40:22,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243351660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:22,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:22,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-09 11:40:22,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192264170] [2024-11-09 11:40:22,565 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:22,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:40:22,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:22,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:40:22,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:40:22,566 INFO L87 Difference]: Start difference. First operand 952 states and 1333 transitions. Second operand has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:23,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:23,678 INFO L93 Difference]: Finished difference Result 1074 states and 1503 transitions. [2024-11-09 11:40:23,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:40:23,678 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 77 [2024-11-09 11:40:23,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:23,681 INFO L225 Difference]: With dead ends: 1074 [2024-11-09 11:40:23,681 INFO L226 Difference]: Without dead ends: 1072 [2024-11-09 11:40:23,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:40:23,682 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 368 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:23,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 333 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:40:23,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2024-11-09 11:40:23,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 999. [2024-11-09 11:40:23,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 850 states have (on average 1.4164705882352941) internal successors, (1204), 908 states have internal predecessors, (1204), 95 states have call successors, (95), 6 states have call predecessors, (95), 6 states have return successors, (95), 84 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-09 11:40:23,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1394 transitions. [2024-11-09 11:40:23,757 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1394 transitions. Word has length 77 [2024-11-09 11:40:23,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:23,757 INFO L471 AbstractCegarLoop]: Abstraction has 999 states and 1394 transitions. [2024-11-09 11:40:23,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:23,758 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1394 transitions. [2024-11-09 11:40:23,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-09 11:40:23,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:23,758 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:23,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-09 11:40:23,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:23,962 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:23,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:23,963 INFO L85 PathProgramCache]: Analyzing trace with hash 2091379380, now seen corresponding path program 1 times [2024-11-09 11:40:23,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:23,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393198078] [2024-11-09 11:40:23,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:23,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:23,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [414129476] [2024-11-09 11:40:23,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:23,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:23,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:23,976 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:23,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-09 11:40:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:24,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 11:40:24,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:40:24,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:24,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:24,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393198078] [2024-11-09 11:40:24,595 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:24,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414129476] [2024-11-09 11:40:24,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414129476] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:24,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:24,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 11:40:24,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437823578] [2024-11-09 11:40:24,596 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:24,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:40:24,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:24,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:40:24,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:40:24,597 INFO L87 Difference]: Start difference. First operand 999 states and 1394 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:26,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:26,118 INFO L93 Difference]: Finished difference Result 1083 states and 1498 transitions. [2024-11-09 11:40:26,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:40:26,119 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 78 [2024-11-09 11:40:26,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:26,122 INFO L225 Difference]: With dead ends: 1083 [2024-11-09 11:40:26,122 INFO L226 Difference]: Without dead ends: 997 [2024-11-09 11:40:26,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-09 11:40:26,124 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 345 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 1675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:26,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 465 Invalid, 1675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1642 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 11:40:26,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2024-11-09 11:40:26,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 865. [2024-11-09 11:40:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 732 states have (on average 1.4207650273224044) internal successors, (1040), 788 states have internal predecessors, (1040), 79 states have call successors, (79), 6 states have call predecessors, (79), 6 states have return successors, (79), 70 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-09 11:40:26,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1198 transitions. [2024-11-09 11:40:26,198 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1198 transitions. Word has length 78 [2024-11-09 11:40:26,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:26,198 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1198 transitions. [2024-11-09 11:40:26,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 11 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:26,198 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1198 transitions. [2024-11-09 11:40:26,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 11:40:26,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:26,199 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:26,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-09 11:40:26,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-09 11:40:26,400 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:26,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:26,401 INFO L85 PathProgramCache]: Analyzing trace with hash 408251414, now seen corresponding path program 1 times [2024-11-09 11:40:26,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:26,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848637775] [2024-11-09 11:40:26,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:26,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:26,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1541158311] [2024-11-09 11:40:26,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:26,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:26,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:26,416 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:26,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-09 11:40:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:26,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:40:26,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:26,705 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 3 proven. 17 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 11:40:26,705 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:28,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:28,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848637775] [2024-11-09 11:40:28,453 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:28,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541158311] [2024-11-09 11:40:28,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541158311] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:28,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:28,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:40:28,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279033468] [2024-11-09 11:40:28,454 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:28,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:40:28,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:28,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:40:28,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-11-09 11:40:28,456 INFO L87 Difference]: Start difference. First operand 865 states and 1198 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:29,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:29,532 INFO L93 Difference]: Finished difference Result 949 states and 1314 transitions. [2024-11-09 11:40:29,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:40:29,532 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 79 [2024-11-09 11:40:29,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:29,536 INFO L225 Difference]: With dead ends: 949 [2024-11-09 11:40:29,536 INFO L226 Difference]: Without dead ends: 945 [2024-11-09 11:40:29,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2024-11-09 11:40:29,536 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 261 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:29,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 372 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:40:29,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2024-11-09 11:40:29,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 927. [2024-11-09 11:40:29,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 927 states, 790 states have (on average 1.4063291139240506) internal successors, (1111), 844 states have internal predecessors, (1111), 85 states have call successors, (85), 6 states have call predecessors, (85), 6 states have return successors, (85), 76 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-09 11:40:29,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1281 transitions. [2024-11-09 11:40:29,595 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1281 transitions. Word has length 79 [2024-11-09 11:40:29,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:29,596 INFO L471 AbstractCegarLoop]: Abstraction has 927 states and 1281 transitions. [2024-11-09 11:40:29,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-09 11:40:29,596 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1281 transitions. [2024-11-09 11:40:29,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-09 11:40:29,597 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:29,597 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:29,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:29,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-09 11:40:29,798 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:29,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:29,798 INFO L85 PathProgramCache]: Analyzing trace with hash 806829775, now seen corresponding path program 1 times [2024-11-09 11:40:29,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:29,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192687417] [2024-11-09 11:40:29,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:29,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:29,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1884841597] [2024-11-09 11:40:29,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:29,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:29,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:29,812 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:29,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-09 11:40:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:29,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:40:29,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:30,142 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-09 11:40:30,142 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:30,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:30,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192687417] [2024-11-09 11:40:30,243 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:30,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884841597] [2024-11-09 11:40:30,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884841597] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:30,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:30,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:40:30,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248477168] [2024-11-09 11:40:30,243 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:30,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:40:30,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:30,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:40:30,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:40:30,244 INFO L87 Difference]: Start difference. First operand 927 states and 1281 transitions. Second operand has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 11:40:30,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:30,664 INFO L93 Difference]: Finished difference Result 1177 states and 1663 transitions. [2024-11-09 11:40:30,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:40:30,664 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 85 [2024-11-09 11:40:30,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:30,668 INFO L225 Difference]: With dead ends: 1177 [2024-11-09 11:40:30,668 INFO L226 Difference]: Without dead ends: 1175 [2024-11-09 11:40:30,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:40:30,668 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 349 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:30,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 329 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:40:30,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2024-11-09 11:40:30,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 1133. [2024-11-09 11:40:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1133 states, 973 states have (on average 1.4409044193216856) internal successors, (1402), 1028 states have internal predecessors, (1402), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 98 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-09 11:40:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1618 transitions. [2024-11-09 11:40:30,743 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1618 transitions. Word has length 85 [2024-11-09 11:40:30,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:30,743 INFO L471 AbstractCegarLoop]: Abstraction has 1133 states and 1618 transitions. [2024-11-09 11:40:30,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 11:40:30,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1618 transitions. [2024-11-09 11:40:30,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-09 11:40:30,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:30,744 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-09 11:40:30,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-09 11:40:30,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-09 11:40:30,945 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:30,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:30,945 INFO L85 PathProgramCache]: Analyzing trace with hash -758080672, now seen corresponding path program 1 times [2024-11-09 11:40:30,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:30,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153632585] [2024-11-09 11:40:30,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:30,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:30,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1607484475] [2024-11-09 11:40:30,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:30,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:30,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:30,966 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:30,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-09 11:40:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:31,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:40:31,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:31,275 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-09 11:40:31,276 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:33,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:33,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153632585] [2024-11-09 11:40:33,211 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:33,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607484475] [2024-11-09 11:40:33,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607484475] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:33,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:33,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:40:33,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930834004] [2024-11-09 11:40:33,211 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:33,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:40:33,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:33,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:40:33,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-11-09 11:40:33,212 INFO L87 Difference]: Start difference. First operand 1133 states and 1618 transitions. Second operand has 8 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 11:40:33,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:33,535 INFO L93 Difference]: Finished difference Result 1138 states and 1618 transitions. [2024-11-09 11:40:33,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:40:33,536 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 86 [2024-11-09 11:40:33,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:33,539 INFO L225 Difference]: With dead ends: 1138 [2024-11-09 11:40:33,540 INFO L226 Difference]: Without dead ends: 1132 [2024-11-09 11:40:33,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2024-11-09 11:40:33,540 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 138 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:33,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 330 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:40:33,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states. [2024-11-09 11:40:33,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 925. [2024-11-09 11:40:33,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 793 states have (on average 1.3467843631778058) internal successors, (1068), 839 states have internal predecessors, (1068), 86 states have call successors, (86), 6 states have call predecessors, (86), 6 states have return successors, (86), 79 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-09 11:40:33,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1240 transitions. [2024-11-09 11:40:33,604 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1240 transitions. Word has length 86 [2024-11-09 11:40:33,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:33,604 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1240 transitions. [2024-11-09 11:40:33,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 10.0) internal successors, (60), 7 states have internal predecessors, (60), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 11:40:33,605 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1240 transitions. [2024-11-09 11:40:33,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 11:40:33,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:33,605 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:33,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:33,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:33,806 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:33,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:33,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1043176685, now seen corresponding path program 1 times [2024-11-09 11:40:33,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:33,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188756560] [2024-11-09 11:40:33,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:33,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:33,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [758387664] [2024-11-09 11:40:33,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:33,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:33,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:33,820 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:33,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-09 11:40:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:33,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 11:40:33,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:34,274 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 9 proven. 29 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-09 11:40:34,274 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:34,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:34,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188756560] [2024-11-09 11:40:34,427 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:34,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758387664] [2024-11-09 11:40:34,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758387664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:34,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:34,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-09 11:40:34,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184620228] [2024-11-09 11:40:34,428 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:34,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:40:34,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:34,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:40:34,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:40:34,429 INFO L87 Difference]: Start difference. First operand 925 states and 1240 transitions. Second operand has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:40:35,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:35,537 INFO L93 Difference]: Finished difference Result 1169 states and 1609 transitions. [2024-11-09 11:40:35,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:40:35,538 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 89 [2024-11-09 11:40:35,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:35,541 INFO L225 Difference]: With dead ends: 1169 [2024-11-09 11:40:35,541 INFO L226 Difference]: Without dead ends: 1165 [2024-11-09 11:40:35,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:40:35,542 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 330 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:35,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 330 Invalid, 973 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:40:35,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2024-11-09 11:40:35,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 1047. [2024-11-09 11:40:35,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1047 states, 901 states have (on average 1.3706992230854607) internal successors, (1235), 949 states have internal predecessors, (1235), 100 states have call successors, (100), 6 states have call predecessors, (100), 6 states have return successors, (100), 91 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-09 11:40:35,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1435 transitions. [2024-11-09 11:40:35,610 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1435 transitions. Word has length 89 [2024-11-09 11:40:35,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:35,610 INFO L471 AbstractCegarLoop]: Abstraction has 1047 states and 1435 transitions. [2024-11-09 11:40:35,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 10 states have internal predecessors, (66), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-09 11:40:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1435 transitions. [2024-11-09 11:40:35,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-09 11:40:35,611 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:35,611 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 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 11:40:35,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:35,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-09 11:40:35,815 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:35,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:35,816 INFO L85 PathProgramCache]: Analyzing trace with hash 2021261220, now seen corresponding path program 1 times [2024-11-09 11:40:35,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:35,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72902232] [2024-11-09 11:40:35,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:35,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:35,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1543233623] [2024-11-09 11:40:35,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:35,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:35,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:35,829 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:35,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-09 11:40:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:35,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:40:35,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:36,149 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-09 11:40:36,150 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:37,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:37,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72902232] [2024-11-09 11:40:37,713 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:37,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543233623] [2024-11-09 11:40:37,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543233623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:37,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:37,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-09 11:40:37,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340154119] [2024-11-09 11:40:37,714 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:37,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:40:37,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:37,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:40:37,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-11-09 11:40:37,715 INFO L87 Difference]: Start difference. First operand 1047 states and 1435 transitions. Second operand has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 11:40:38,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:38,990 INFO L93 Difference]: Finished difference Result 1100 states and 1511 transitions. [2024-11-09 11:40:38,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:40:38,990 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 90 [2024-11-09 11:40:38,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:38,994 INFO L225 Difference]: With dead ends: 1100 [2024-11-09 11:40:38,994 INFO L226 Difference]: Without dead ends: 1096 [2024-11-09 11:40:38,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2024-11-09 11:40:38,995 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 231 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:38,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 360 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-09 11:40:38,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2024-11-09 11:40:39,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1078. [2024-11-09 11:40:39,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 931 states have (on average 1.364124597207304) internal successors, (1270), 976 states have internal predecessors, (1270), 103 states have call successors, (103), 6 states have call predecessors, (103), 6 states have return successors, (103), 95 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-09 11:40:39,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1476 transitions. [2024-11-09 11:40:39,055 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1476 transitions. Word has length 90 [2024-11-09 11:40:39,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:39,055 INFO L471 AbstractCegarLoop]: Abstraction has 1078 states and 1476 transitions. [2024-11-09 11:40:39,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-09 11:40:39,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1476 transitions. [2024-11-09 11:40:39,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 11:40:39,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:39,056 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:39,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:39,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-09 11:40:39,257 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:39,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:39,257 INFO L85 PathProgramCache]: Analyzing trace with hash -546514869, now seen corresponding path program 1 times [2024-11-09 11:40:39,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:39,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003149243] [2024-11-09 11:40:39,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:39,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:39,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:39,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:39,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:39,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:39,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:39,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 11:40:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:39,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:40:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:39,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 11:40:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:39,365 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:39,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:39,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003149243] [2024-11-09 11:40:39,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003149243] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:39,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176669812] [2024-11-09 11:40:39,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:39,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:39,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:39,368 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:39,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-09 11:40:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:39,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:40:39,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:39,583 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:39,584 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:39,742 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:39,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176669812] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:39,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:40:39,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-11-09 11:40:39,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318867226] [2024-11-09 11:40:39,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:39,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:40:39,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:39,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:40:39,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:40:39,744 INFO L87 Difference]: Start difference. First operand 1078 states and 1476 transitions. Second operand has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 16 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-09 11:40:41,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:41,385 INFO L93 Difference]: Finished difference Result 1619 states and 2132 transitions. [2024-11-09 11:40:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-09 11:40:41,385 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 16 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 99 [2024-11-09 11:40:41,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:41,390 INFO L225 Difference]: With dead ends: 1619 [2024-11-09 11:40:41,390 INFO L226 Difference]: Without dead ends: 1617 [2024-11-09 11:40:41,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=910, Invalid=2630, Unknown=0, NotChecked=0, Total=3540 [2024-11-09 11:40:41,391 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 2355 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2355 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:41,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2355 Valid, 759 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-09 11:40:41,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2024-11-09 11:40:41,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1221. [2024-11-09 11:40:41,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 1061 states have (on average 1.3722902921771913) internal successors, (1456), 1106 states have internal predecessors, (1456), 116 states have call successors, (116), 6 states have call predecessors, (116), 6 states have return successors, (116), 108 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-09 11:40:41,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1688 transitions. [2024-11-09 11:40:41,492 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1688 transitions. Word has length 99 [2024-11-09 11:40:41,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:41,492 INFO L471 AbstractCegarLoop]: Abstraction has 1221 states and 1688 transitions. [2024-11-09 11:40:41,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 16 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-09 11:40:41,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1688 transitions. [2024-11-09 11:40:41,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-09 11:40:41,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:41,493 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:41,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:41,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-09 11:40:41,694 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:41,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:41,694 INFO L85 PathProgramCache]: Analyzing trace with hash 374014375, now seen corresponding path program 1 times [2024-11-09 11:40:41,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:41,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803395336] [2024-11-09 11:40:41,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:41,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:41,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:41,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:41,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:41,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:41,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:41,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 11:40:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:41,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:40:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:41,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 11:40:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:41,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:41,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803395336] [2024-11-09 11:40:41,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803395336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:41,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264258479] [2024-11-09 11:40:41,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:41,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:41,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:41,793 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:41,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-09 11:40:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:41,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:40:41,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:42,007 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:42,008 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:42,153 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:42,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264258479] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:42,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:40:42,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-09 11:40:42,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535979466] [2024-11-09 11:40:42,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:42,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:40:42,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:42,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:40:42,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:40:42,155 INFO L87 Difference]: Start difference. First operand 1221 states and 1688 transitions. Second operand has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-09 11:40:43,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:43,524 INFO L93 Difference]: Finished difference Result 1818 states and 2421 transitions. [2024-11-09 11:40:43,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-09 11:40:43,524 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 99 [2024-11-09 11:40:43,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:43,530 INFO L225 Difference]: With dead ends: 1818 [2024-11-09 11:40:43,531 INFO L226 Difference]: Without dead ends: 1816 [2024-11-09 11:40:43,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=572, Invalid=1498, Unknown=0, NotChecked=0, Total=2070 [2024-11-09 11:40:43,532 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 1541 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1541 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:43,532 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1541 Valid, 811 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 916 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-09 11:40:43,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1816 states. [2024-11-09 11:40:43,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1816 to 1419. [2024-11-09 11:40:43,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1419 states, 1241 states have (on average 1.3803384367445608) internal successors, (1713), 1286 states have internal predecessors, (1713), 134 states have call successors, (134), 6 states have call predecessors, (134), 6 states have return successors, (134), 126 states have call predecessors, (134), 134 states have call successors, (134) [2024-11-09 11:40:43,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1419 states and 1981 transitions. [2024-11-09 11:40:43,622 INFO L78 Accepts]: Start accepts. Automaton has 1419 states and 1981 transitions. Word has length 99 [2024-11-09 11:40:43,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:43,622 INFO L471 AbstractCegarLoop]: Abstraction has 1419 states and 1981 transitions. [2024-11-09 11:40:43,622 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.923076923076923) internal successors, (181), 14 states have internal predecessors, (181), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-09 11:40:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 1981 transitions. [2024-11-09 11:40:43,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-09 11:40:43,623 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:43,623 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:40:43,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:43,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-09 11:40:43,824 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:43,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:43,824 INFO L85 PathProgramCache]: Analyzing trace with hash 238339323, now seen corresponding path program 1 times [2024-11-09 11:40:43,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:43,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536858922] [2024-11-09 11:40:43,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:43,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:43,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:43,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:43,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:43,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:43,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:43,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:43,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 11:40:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:43,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:40:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:43,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 11:40:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:43,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:43,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536858922] [2024-11-09 11:40:43,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536858922] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:43,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572061538] [2024-11-09 11:40:43,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:43,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:43,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:43,929 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:43,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-09 11:40:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:43,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:43,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:44,146 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:44,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:44,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572061538] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:44,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:40:44,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-09 11:40:44,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578339307] [2024-11-09 11:40:44,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:44,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:40:44,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:44,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:40:44,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:40:44,247 INFO L87 Difference]: Start difference. First operand 1419 states and 1981 transitions. Second operand has 8 states, 7 states have (on average 26.0) internal successors, (182), 8 states have internal predecessors, (182), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-09 11:40:44,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:44,947 INFO L93 Difference]: Finished difference Result 1914 states and 2692 transitions. [2024-11-09 11:40:44,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:40:44,947 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.0) internal successors, (182), 8 states have internal predecessors, (182), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 100 [2024-11-09 11:40:44,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:44,953 INFO L225 Difference]: With dead ends: 1914 [2024-11-09 11:40:44,953 INFO L226 Difference]: Without dead ends: 1912 [2024-11-09 11:40:44,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:44,954 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 232 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:44,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 342 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:40:44,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1912 states. [2024-11-09 11:40:45,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1912 to 1635. [2024-11-09 11:40:45,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1635 states, 1436 states have (on average 1.3823119777158774) internal successors, (1985), 1481 states have internal predecessors, (1985), 155 states have call successors, (155), 6 states have call predecessors, (155), 6 states have return successors, (155), 147 states have call predecessors, (155), 155 states have call successors, (155) [2024-11-09 11:40:45,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 2295 transitions. [2024-11-09 11:40:45,046 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 2295 transitions. Word has length 100 [2024-11-09 11:40:45,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:45,046 INFO L471 AbstractCegarLoop]: Abstraction has 1635 states and 2295 transitions. [2024-11-09 11:40:45,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.0) internal successors, (182), 8 states have internal predecessors, (182), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-09 11:40:45,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 2295 transitions. [2024-11-09 11:40:45,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-09 11:40:45,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:45,047 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:40:45,060 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:45,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-11-09 11:40:45,250 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:45,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:45,250 INFO L85 PathProgramCache]: Analyzing trace with hash 703026671, now seen corresponding path program 1 times [2024-11-09 11:40:45,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:45,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3255511] [2024-11-09 11:40:45,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:45,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:45,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:40:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:45,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:40:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:45,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:40:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:45,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:40:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:45,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:40:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:45,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 11:40:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:45,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:40:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:45,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 11:40:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:45,343 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:45,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:45,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3255511] [2024-11-09 11:40:45,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3255511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:45,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996731721] [2024-11-09 11:40:45,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:45,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:45,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:45,346 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:45,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-09 11:40:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:45,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:40:45,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:45,565 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:45,565 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:45,664 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:45,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996731721] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:45,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:40:45,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-09 11:40:45,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367827427] [2024-11-09 11:40:45,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:45,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:40:45,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:45,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:40:45,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:40:45,666 INFO L87 Difference]: Start difference. First operand 1635 states and 2295 transitions. Second operand has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-09 11:40:46,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:46,499 INFO L93 Difference]: Finished difference Result 2227 states and 3163 transitions. [2024-11-09 11:40:46,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:40:46,500 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 102 [2024-11-09 11:40:46,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:46,504 INFO L225 Difference]: With dead ends: 2227 [2024-11-09 11:40:46,504 INFO L226 Difference]: Without dead ends: 2225 [2024-11-09 11:40:46,504 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:40:46,505 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 333 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:46,505 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 334 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-09 11:40:46,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2225 states. [2024-11-09 11:40:46,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2225 to 1861. [2024-11-09 11:40:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1861 states, 1641 states have (on average 1.3833028641072518) internal successors, (2270), 1686 states have internal predecessors, (2270), 176 states have call successors, (176), 6 states have call predecessors, (176), 6 states have return successors, (176), 168 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-09 11:40:46,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1861 states and 2622 transitions. [2024-11-09 11:40:46,616 INFO L78 Accepts]: Start accepts. Automaton has 1861 states and 2622 transitions. Word has length 102 [2024-11-09 11:40:46,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:46,616 INFO L471 AbstractCegarLoop]: Abstraction has 1861 states and 2622 transitions. [2024-11-09 11:40:46,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 8 states have internal predecessors, (188), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-09 11:40:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2622 transitions. [2024-11-09 11:40:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 11:40:46,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:46,617 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:46,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:46,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:46,818 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:46,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:46,819 INFO L85 PathProgramCache]: Analyzing trace with hash 732961821, now seen corresponding path program 1 times [2024-11-09 11:40:46,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:46,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726314901] [2024-11-09 11:40:46,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:46,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:46,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [571190883] [2024-11-09 11:40:46,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:46,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:46,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:46,847 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:46,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-09 11:40:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:46,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 11:40:46,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:47,452 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-09 11:40:47,452 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:47,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:47,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726314901] [2024-11-09 11:40:47,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:47,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571190883] [2024-11-09 11:40:47,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571190883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:47,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:47,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-09 11:40:47,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218051416] [2024-11-09 11:40:47,542 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:47,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:40:47,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:47,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:40:47,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:40:47,543 INFO L87 Difference]: Start difference. First operand 1861 states and 2622 transitions. Second operand has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:48,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:48,544 INFO L93 Difference]: Finished difference Result 1923 states and 2704 transitions. [2024-11-09 11:40:48,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:40:48,544 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 108 [2024-11-09 11:40:48,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:48,547 INFO L225 Difference]: With dead ends: 1923 [2024-11-09 11:40:48,547 INFO L226 Difference]: Without dead ends: 1919 [2024-11-09 11:40:48,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=174, Invalid=476, Unknown=0, NotChecked=0, Total=650 [2024-11-09 11:40:48,548 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 348 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 1152 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 1182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:48,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 474 Invalid, 1182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1152 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 11:40:48,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2024-11-09 11:40:48,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1881. [2024-11-09 11:40:48,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1881 states, 1659 states have (on average 1.379746835443038) internal successors, (2289), 1704 states have internal predecessors, (2289), 178 states have call successors, (178), 6 states have call predecessors, (178), 6 states have return successors, (178), 170 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-09 11:40:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 2645 transitions. [2024-11-09 11:40:48,663 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 2645 transitions. Word has length 108 [2024-11-09 11:40:48,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:48,664 INFO L471 AbstractCegarLoop]: Abstraction has 1881 states and 2645 transitions. [2024-11-09 11:40:48,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2645 transitions. [2024-11-09 11:40:48,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-09 11:40:48,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:48,665 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:48,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-09 11:40:48,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-09 11:40:48,869 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:48,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:48,869 INFO L85 PathProgramCache]: Analyzing trace with hash 580802241, now seen corresponding path program 2 times [2024-11-09 11:40:48,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:48,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105497289] [2024-11-09 11:40:48,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:48,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:48,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1018827056] [2024-11-09 11:40:48,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:40:48,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:48,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:48,892 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:48,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-09 11:40:48,949 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:40:48,949 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:40:48,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 11:40:48,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:49,263 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:49,264 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:49,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:49,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105497289] [2024-11-09 11:40:49,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:49,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018827056] [2024-11-09 11:40:49,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018827056] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:49,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:49,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-09 11:40:49,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601886155] [2024-11-09 11:40:49,354 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:49,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:40:49,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:49,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:40:49,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:40:49,356 INFO L87 Difference]: Start difference. First operand 1881 states and 2645 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:40:49,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:49,909 INFO L93 Difference]: Finished difference Result 1955 states and 2743 transitions. [2024-11-09 11:40:49,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:40:49,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 108 [2024-11-09 11:40:49,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:49,913 INFO L225 Difference]: With dead ends: 1955 [2024-11-09 11:40:49,913 INFO L226 Difference]: Without dead ends: 1951 [2024-11-09 11:40:49,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:40:49,914 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 152 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:49,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 330 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-09 11:40:49,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2024-11-09 11:40:50,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1859. [2024-11-09 11:40:50,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1643 states have (on average 1.328058429701765) internal successors, (2182), 1684 states have internal predecessors, (2182), 176 states have call successors, (176), 6 states have call predecessors, (176), 6 states have return successors, (176), 168 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-09 11:40:50,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2534 transitions. [2024-11-09 11:40:50,035 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2534 transitions. Word has length 108 [2024-11-09 11:40:50,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:50,035 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2534 transitions. [2024-11-09 11:40:50,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:40:50,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2534 transitions. [2024-11-09 11:40:50,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 11:40:50,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:50,036 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:50,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:50,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:50,237 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:50,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:50,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1246980024, now seen corresponding path program 1 times [2024-11-09 11:40:50,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:50,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582009688] [2024-11-09 11:40:50,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:50,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:50,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1307908503] [2024-11-09 11:40:50,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:50,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:50,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:50,253 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:50,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-09 11:40:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:40:50,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-09 11:40:50,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-09 11:40:50,801 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:51,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:51,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582009688] [2024-11-09 11:40:51,152 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:51,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307908503] [2024-11-09 11:40:51,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307908503] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:40:51,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:40:51,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-09 11:40:51,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960397276] [2024-11-09 11:40:51,152 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:51,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:40:51,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:51,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:40:51,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:40:51,153 INFO L87 Difference]: Start difference. First operand 1859 states and 2534 transitions. Second operand has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:51,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:51,832 INFO L93 Difference]: Finished difference Result 1888 states and 2562 transitions. [2024-11-09 11:40:51,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:40:51,833 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 109 [2024-11-09 11:40:51,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:51,837 INFO L225 Difference]: With dead ends: 1888 [2024-11-09 11:40:51,837 INFO L226 Difference]: Without dead ends: 1886 [2024-11-09 11:40:51,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=153, Invalid=353, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:40:51,838 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 422 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 428 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:51,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [428 Valid, 290 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-09 11:40:51,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1886 states. [2024-11-09 11:40:52,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1886 to 1859. [2024-11-09 11:40:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1643 states have (on average 1.3268411442483263) internal successors, (2180), 1684 states have internal predecessors, (2180), 176 states have call successors, (176), 6 states have call predecessors, (176), 6 states have return successors, (176), 168 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-09 11:40:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2532 transitions. [2024-11-09 11:40:52,021 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2532 transitions. Word has length 109 [2024-11-09 11:40:52,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:52,022 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2532 transitions. [2024-11-09 11:40:52,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-09 11:40:52,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2532 transitions. [2024-11-09 11:40:52,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-09 11:40:52,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:52,023 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:40:52,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-09 11:40:52,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-09 11:40:52,227 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:52,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:52,228 INFO L85 PathProgramCache]: Analyzing trace with hash 825000340, now seen corresponding path program 2 times [2024-11-09 11:40:52,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:52,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166274743] [2024-11-09 11:40:52,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:52,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:40:52,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [812578891] [2024-11-09 11:40:52,245 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:40:52,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:40:52,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:40:52,251 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:40:52,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-09 11:40:52,310 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:40:52,310 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:40:52,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:40:52,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:40:52,676 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:52,677 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:40:53,692 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:40:53,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:40:53,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166274743] [2024-11-09 11:40:53,693 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:40:53,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812578891] [2024-11-09 11:40:53,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812578891] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:40:53,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:40:53,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-09 11:40:53,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611339952] [2024-11-09 11:40:53,693 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:40:53,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 11:40:53,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:40:53,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 11:40:53,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:40:53,694 INFO L87 Difference]: Start difference. First operand 1859 states and 2532 transitions. Second operand has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-09 11:40:59,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:40:59,611 INFO L93 Difference]: Finished difference Result 1938 states and 2613 transitions. [2024-11-09 11:40:59,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:40:59,611 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 109 [2024-11-09 11:40:59,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:40:59,614 INFO L225 Difference]: With dead ends: 1938 [2024-11-09 11:40:59,614 INFO L226 Difference]: Without dead ends: 1935 [2024-11-09 11:40:59,615 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:40:59,615 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 752 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 764 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-09 11:40:59,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [764 Valid, 539 Invalid, 1180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-11-09 11:40:59,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1935 states. [2024-11-09 11:40:59,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1935 to 1871. [2024-11-09 11:40:59,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1871 states, 1654 states have (on average 1.3216444981862152) internal successors, (2186), 1695 states have internal predecessors, (2186), 177 states have call successors, (177), 6 states have call predecessors, (177), 6 states have return successors, (177), 169 states have call predecessors, (177), 177 states have call successors, (177) [2024-11-09 11:40:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 1871 states and 2540 transitions. [2024-11-09 11:40:59,737 INFO L78 Accepts]: Start accepts. Automaton has 1871 states and 2540 transitions. Word has length 109 [2024-11-09 11:40:59,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:40:59,737 INFO L471 AbstractCegarLoop]: Abstraction has 1871 states and 2540 transitions. [2024-11-09 11:40:59,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-09 11:40:59,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 2540 transitions. [2024-11-09 11:40:59,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 11:40:59,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:40:59,739 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-09 11:40:59,755 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-09 11:40:59,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-09 11:40:59,943 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:40:59,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:40:59,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1511407475, now seen corresponding path program 1 times [2024-11-09 11:40:59,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:40:59,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118482000] [2024-11-09 11:40:59,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:40:59,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:40:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:00,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:41:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:00,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 11:41:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:00,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:41:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:00,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:41:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:00,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 11:41:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:00,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 11:41:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:00,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 11:41:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:00,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-09 11:41:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:00,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-09 11:41:00,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:00,042 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-09 11:41:00,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:00,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118482000] [2024-11-09 11:41:00,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118482000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:41:00,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:41:00,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:41:00,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173424191] [2024-11-09 11:41:00,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:41:00,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:41:00,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:00,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:41:00,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:41:00,045 INFO L87 Difference]: Start difference. First operand 1871 states and 2540 transitions. Second operand has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:41:01,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:01,798 INFO L93 Difference]: Finished difference Result 1915 states and 2583 transitions. [2024-11-09 11:41:01,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:41:01,799 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 111 [2024-11-09 11:41:01,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:01,802 INFO L225 Difference]: With dead ends: 1915 [2024-11-09 11:41:01,802 INFO L226 Difference]: Without dead ends: 1897 [2024-11-09 11:41:01,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:41:01,803 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 230 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:01,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 229 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-09 11:41:01,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2024-11-09 11:41:01,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1859. [2024-11-09 11:41:01,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1645 states have (on average 1.3179331306990882) internal successors, (2168), 1684 states have internal predecessors, (2168), 174 states have call successors, (174), 6 states have call predecessors, (174), 6 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-09 11:41:01,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2516 transitions. [2024-11-09 11:41:01,917 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2516 transitions. Word has length 111 [2024-11-09 11:41:01,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:01,917 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2516 transitions. [2024-11-09 11:41:01,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.4) internal successors, (72), 6 states have internal predecessors, (72), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:41:01,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2516 transitions. [2024-11-09 11:41:01,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 11:41:01,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:01,918 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:01,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-09 11:41:01,919 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:41:01,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:01,919 INFO L85 PathProgramCache]: Analyzing trace with hash 51929242, now seen corresponding path program 1 times [2024-11-09 11:41:01,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:01,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778010921] [2024-11-09 11:41:01,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:01,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:01,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1105212094] [2024-11-09 11:41:01,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:01,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:01,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:01,935 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:01,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-09 11:41:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:01,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:41:01,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:02,359 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:41:02,359 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:02,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:02,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778010921] [2024-11-09 11:41:02,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:02,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105212094] [2024-11-09 11:41:02,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105212094] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:41:02,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:41:02,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-09 11:41:02,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614307634] [2024-11-09 11:41:02,574 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:02,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:41:02,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:02,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:41:02,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:02,575 INFO L87 Difference]: Start difference. First operand 1859 states and 2516 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:03,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:03,237 INFO L93 Difference]: Finished difference Result 1879 states and 2536 transitions. [2024-11-09 11:41:03,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:41:03,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 111 [2024-11-09 11:41:03,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:03,240 INFO L225 Difference]: With dead ends: 1879 [2024-11-09 11:41:03,240 INFO L226 Difference]: Without dead ends: 1877 [2024-11-09 11:41:03,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:41:03,241 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 88 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:03,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 248 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-09 11:41:03,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2024-11-09 11:41:03,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1859. [2024-11-09 11:41:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1859 states, 1645 states have (on average 1.3167173252279636) internal successors, (2166), 1684 states have internal predecessors, (2166), 174 states have call successors, (174), 6 states have call predecessors, (174), 6 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-09 11:41:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1859 states and 2514 transitions. [2024-11-09 11:41:03,399 INFO L78 Accepts]: Start accepts. Automaton has 1859 states and 2514 transitions. Word has length 111 [2024-11-09 11:41:03,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:03,399 INFO L471 AbstractCegarLoop]: Abstraction has 1859 states and 2514 transitions. [2024-11-09 11:41:03,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-09 11:41:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2514 transitions. [2024-11-09 11:41:03,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-09 11:41:03,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:03,401 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:03,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:03,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-09 11:41:03,602 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:41:03,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:03,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1743621258, now seen corresponding path program 2 times [2024-11-09 11:41:03,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:03,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891340398] [2024-11-09 11:41:03,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:03,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:03,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [125346129] [2024-11-09 11:41:03,615 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:41:03,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:03,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:03,619 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:03,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-09 11:41:03,685 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:41:03,685 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:41:03,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:41:03,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:03,989 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:41:03,989 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:41:04,782 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:41:04,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:41:04,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891340398] [2024-11-09 11:41:04,783 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 11:41:04,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125346129] [2024-11-09 11:41:04,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125346129] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:41:04,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-09 11:41:04,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-09 11:41:04,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521442535] [2024-11-09 11:41:04,783 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-09 11:41:04,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:41:04,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:41:04,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:41:04,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:41:04,785 INFO L87 Difference]: Start difference. First operand 1859 states and 2514 transitions. Second operand has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-09 11:41:11,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:41:11,991 INFO L93 Difference]: Finished difference Result 1880 states and 2536 transitions. [2024-11-09 11:41:11,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:41:11,992 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 111 [2024-11-09 11:41:11,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:41:11,996 INFO L225 Difference]: With dead ends: 1880 [2024-11-09 11:41:11,996 INFO L226 Difference]: Without dead ends: 1878 [2024-11-09 11:41:11,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:41:11,997 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 253 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-09 11:41:11,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 426 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-11-09 11:41:11,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1878 states. [2024-11-09 11:41:12,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1878 to 1861. [2024-11-09 11:41:12,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1861 states, 1647 states have (on average 1.3126897389192471) internal successors, (2162), 1686 states have internal predecessors, (2162), 174 states have call successors, (174), 6 states have call predecessors, (174), 6 states have return successors, (174), 168 states have call predecessors, (174), 174 states have call successors, (174) [2024-11-09 11:41:12,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 1861 states and 2510 transitions. [2024-11-09 11:41:12,161 INFO L78 Accepts]: Start accepts. Automaton has 1861 states and 2510 transitions. Word has length 111 [2024-11-09 11:41:12,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:41:12,163 INFO L471 AbstractCegarLoop]: Abstraction has 1861 states and 2510 transitions. [2024-11-09 11:41:12,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.25) internal successors, (146), 9 states have internal predecessors, (146), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) [2024-11-09 11:41:12,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 2510 transitions. [2024-11-09 11:41:12,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-09 11:41:12,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:41:12,164 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:41:12,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-09 11:41:12,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-09 11:41:12,366 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-09 11:41:12,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:41:12,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1609806561, now seen corresponding path program 1 times [2024-11-09 11:41:12,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:41:12,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87320375] [2024-11-09 11:41:12,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:12,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:41:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 11:41:12,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [755746547] [2024-11-09 11:41:12,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:41:12,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:41:12,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:41:12,382 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:41:12,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-09 11:41:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:41:12,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:41:12,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:41:12,829 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-09 11:41:12,830 INFO L311 TraceCheckSpWp]: Computing backward predicates...