./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/LogAG.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-restricted-15/LogAG.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 68bdf78f6f996480ccfcf11b22cc3b7892db15596cae3edf06123d71c4506b1f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:15:54,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:15:54,274 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-09 11:15:54,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:15:54,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:15:54,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:15:54,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:15:54,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:15:54,312 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:15:54,314 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:15:54,314 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:15:54,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:15:54,315 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:15:54,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:15:54,316 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:15:54,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:15:54,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:15:54,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:15:54,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:15:54,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:15:54,321 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:15:54,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:15:54,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:15:54,322 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:15:54,323 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:15:54,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:15:54,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:15:54,324 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:15:54,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:15:54,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:15:54,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:15:54,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:15:54,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:15:54,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:15:54,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:15:54,326 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:15:54,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:15:54,326 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:15:54,326 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:15:54,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:15:54,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:15:54,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68bdf78f6f996480ccfcf11b22cc3b7892db15596cae3edf06123d71c4506b1f [2024-11-09 11:15:54,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:15:54,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:15:54,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:15:54,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:15:54,621 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:15:54,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/LogAG.c [2024-11-09 11:15:56,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:15:56,219 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:15:56,219 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/LogAG.c [2024-11-09 11:15:56,226 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79c7958f/ecbf03368cc141a493d128219e6e7365/FLAG23cc20ce1 [2024-11-09 11:15:56,237 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a79c7958f/ecbf03368cc141a493d128219e6e7365 [2024-11-09 11:15:56,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:15:56,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:15:56,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:15:56,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:15:56,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:15:56,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:15:56" (1/1) ... [2024-11-09 11:15:56,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d389af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56, skipping insertion in model container [2024-11-09 11:15:56,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:15:56" (1/1) ... [2024-11-09 11:15:56,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:15:56,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:15:56,435 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:15:56,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:15:56,468 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:15:56,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56 WrapperNode [2024-11-09 11:15:56,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:15:56,471 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:15:56,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:15:56,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:15:56,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56" (1/1) ... [2024-11-09 11:15:56,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56" (1/1) ... [2024-11-09 11:15:56,504 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-09 11:15:56,505 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:15:56,506 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:15:56,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:15:56,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:15:56,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56" (1/1) ... [2024-11-09 11:15:56,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56" (1/1) ... [2024-11-09 11:15:56,517 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56" (1/1) ... [2024-11-09 11:15:56,523 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-09 11:15:56,527 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56" (1/1) ... [2024-11-09 11:15:56,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56" (1/1) ... [2024-11-09 11:15:56,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56" (1/1) ... [2024-11-09 11:15:56,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56" (1/1) ... [2024-11-09 11:15:56,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56" (1/1) ... [2024-11-09 11:15:56,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56" (1/1) ... [2024-11-09 11:15:56,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:15:56,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:15:56,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:15:56,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:15:56,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56" (1/1) ... [2024-11-09 11:15:56,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:15:56,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:15:56,581 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 11:15:56,587 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 11:15:56,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:15:56,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:15:56,702 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:15:56,703 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:15:56,797 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-09 11:15:56,797 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:15:56,808 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:15:56,808 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 11:15:56,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:15:56 BoogieIcfgContainer [2024-11-09 11:15:56,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:15:56,811 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:15:56,811 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:15:56,815 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:15:56,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:15:56" (1/3) ... [2024-11-09 11:15:56,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20cc1afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:15:56, skipping insertion in model container [2024-11-09 11:15:56,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:15:56" (2/3) ... [2024-11-09 11:15:56,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20cc1afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:15:56, skipping insertion in model container [2024-11-09 11:15:56,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:15:56" (3/3) ... [2024-11-09 11:15:56,818 INFO L112 eAbstractionObserver]: Analyzing ICFG LogAG.c [2024-11-09 11:15:56,831 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:15:56,831 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-09 11:15:56,877 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:15:56,883 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;@3b229e4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:15:56,883 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-09 11:15:56,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 27 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:56,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 11:15:56,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:56,893 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 11:15:56,894 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:56,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:56,899 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2024-11-09 11:15:56,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:56,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64783599] [2024-11-09 11:15:56,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:56,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:57,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:57,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:57,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64783599] [2024-11-09 11:15:57,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64783599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:15:57,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:15:57,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:15:57,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984272313] [2024-11-09 11:15:57,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:15:57,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:15:57,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:57,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:15:57,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:15:57,115 INFO L87 Difference]: Start difference. First operand has 28 states, 17 states have (on average 1.8235294117647058) internal successors, (31), 27 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:57,152 INFO L93 Difference]: Finished difference Result 53 states and 60 transitions. [2024-11-09 11:15:57,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:15:57,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-09 11:15:57,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:57,162 INFO L225 Difference]: With dead ends: 53 [2024-11-09 11:15:57,162 INFO L226 Difference]: Without dead ends: 23 [2024-11-09 11:15:57,165 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:15:57,168 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:57,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 45 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:15:57,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-09 11:15:57,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-09 11:15:57,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2024-11-09 11:15:57,193 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 4 [2024-11-09 11:15:57,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:57,193 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2024-11-09 11:15:57,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,194 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-11-09 11:15:57,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 11:15:57,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:57,194 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 11:15:57,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:15:57,195 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:57,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:57,196 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2024-11-09 11:15:57,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:57,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739924974] [2024-11-09 11:15:57,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:57,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:57,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:57,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:57,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739924974] [2024-11-09 11:15:57,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739924974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:15:57,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:15:57,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:15:57,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523531966] [2024-11-09 11:15:57,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:15:57,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:15:57,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:57,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:15:57,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:15:57,244 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:57,256 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2024-11-09 11:15:57,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:15:57,257 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-09 11:15:57,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:57,258 INFO L225 Difference]: With dead ends: 23 [2024-11-09 11:15:57,258 INFO L226 Difference]: Without dead ends: 22 [2024-11-09 11:15:57,258 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:15:57,260 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:57,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 34 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:15:57,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-09 11:15:57,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-09 11:15:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2024-11-09 11:15:57,265 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 5 [2024-11-09 11:15:57,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:57,265 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-11-09 11:15:57,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,265 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-09 11:15:57,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 11:15:57,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:57,266 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:15:57,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:15:57,267 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:57,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:57,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629784, now seen corresponding path program 1 times [2024-11-09 11:15:57,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:57,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049137291] [2024-11-09 11:15:57,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:57,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:57,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:57,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:57,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049137291] [2024-11-09 11:15:57,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049137291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:15:57,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:15:57,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:15:57,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540910066] [2024-11-09 11:15:57,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:15:57,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:15:57,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:57,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:15:57,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:15:57,334 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:57,403 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2024-11-09 11:15:57,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:15:57,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-09 11:15:57,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:57,405 INFO L225 Difference]: With dead ends: 26 [2024-11-09 11:15:57,405 INFO L226 Difference]: Without dead ends: 24 [2024-11-09 11:15:57,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:15:57,407 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 3 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:57,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 32 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:15:57,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-09 11:15:57,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2024-11-09 11:15:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.5625) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2024-11-09 11:15:57,412 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 7 [2024-11-09 11:15:57,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:57,413 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2024-11-09 11:15:57,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,414 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2024-11-09 11:15:57,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 11:15:57,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:57,416 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:15:57,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:15:57,417 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:57,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:57,417 INFO L85 PathProgramCache]: Analyzing trace with hash 294948525, now seen corresponding path program 1 times [2024-11-09 11:15:57,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:57,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995449735] [2024-11-09 11:15:57,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:57,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:57,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:57,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995449735] [2024-11-09 11:15:57,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995449735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:15:57,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:15:57,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:15:57,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265336374] [2024-11-09 11:15:57,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:15:57,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:15:57,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:57,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:15:57,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:15:57,474 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:57,493 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2024-11-09 11:15:57,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:15:57,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 11:15:57,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:57,495 INFO L225 Difference]: With dead ends: 23 [2024-11-09 11:15:57,495 INFO L226 Difference]: Without dead ends: 22 [2024-11-09 11:15:57,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:15:57,498 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:57,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:15:57,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-09 11:15:57,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-09 11:15:57,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.5) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2024-11-09 11:15:57,504 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 8 [2024-11-09 11:15:57,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:57,504 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2024-11-09 11:15:57,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,505 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-09 11:15:57,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 11:15:57,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:57,505 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:15:57,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 11:15:57,506 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:57,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:57,507 INFO L85 PathProgramCache]: Analyzing trace with hash 294950095, now seen corresponding path program 1 times [2024-11-09 11:15:57,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:57,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696366045] [2024-11-09 11:15:57,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:57,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:57,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:57,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:57,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696366045] [2024-11-09 11:15:57,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696366045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:15:57,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:15:57,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:15:57,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456430827] [2024-11-09 11:15:57,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:15:57,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:15:57,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:57,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:15:57,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:15:57,564 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:57,605 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2024-11-09 11:15:57,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:15:57,606 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 11:15:57,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:57,606 INFO L225 Difference]: With dead ends: 22 [2024-11-09 11:15:57,606 INFO L226 Difference]: Without dead ends: 21 [2024-11-09 11:15:57,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:15:57,608 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 10 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:57,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 20 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:15:57,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-09 11:15:57,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-09 11:15:57,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.4375) internal successors, (23), 20 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2024-11-09 11:15:57,616 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 8 [2024-11-09 11:15:57,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:57,617 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-11-09 11:15:57,618 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,618 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-09 11:15:57,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 11:15:57,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:57,618 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:15:57,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 11:15:57,619 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:57,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:57,619 INFO L85 PathProgramCache]: Analyzing trace with hash 553469754, now seen corresponding path program 1 times [2024-11-09 11:15:57,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:57,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726769479] [2024-11-09 11:15:57,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:57,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:57,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:57,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:57,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726769479] [2024-11-09 11:15:57,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726769479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:15:57,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:15:57,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:15:57,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818800093] [2024-11-09 11:15:57,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:15:57,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:15:57,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:57,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:15:57,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:15:57,676 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:57,689 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2024-11-09 11:15:57,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:15:57,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-09 11:15:57,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:57,690 INFO L225 Difference]: With dead ends: 21 [2024-11-09 11:15:57,691 INFO L226 Difference]: Without dead ends: 20 [2024-11-09 11:15:57,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:15:57,692 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:57,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 17 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:15:57,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-09 11:15:57,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-09 11:15:57,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.375) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2024-11-09 11:15:57,697 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 9 [2024-11-09 11:15:57,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:57,698 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2024-11-09 11:15:57,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,698 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-09 11:15:57,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 11:15:57,699 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:57,699 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:15:57,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:15:57,699 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:57,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:57,700 INFO L85 PathProgramCache]: Analyzing trace with hash 553518413, now seen corresponding path program 1 times [2024-11-09 11:15:57,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:57,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812960675] [2024-11-09 11:15:57,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:57,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:57,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:57,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812960675] [2024-11-09 11:15:57,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812960675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:15:57,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:15:57,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:15:57,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903779801] [2024-11-09 11:15:57,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:15:57,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:15:57,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:57,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:15:57,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:15:57,731 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:57,750 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2024-11-09 11:15:57,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:15:57,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-09 11:15:57,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:57,751 INFO L225 Difference]: With dead ends: 23 [2024-11-09 11:15:57,751 INFO L226 Difference]: Without dead ends: 22 [2024-11-09 11:15:57,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:15:57,753 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:57,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 21 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:15:57,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-09 11:15:57,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 19. [2024-11-09 11:15:57,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2024-11-09 11:15:57,757 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9 [2024-11-09 11:15:57,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:57,758 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2024-11-09 11:15:57,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,758 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-09 11:15:57,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 11:15:57,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:57,759 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:15:57,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 11:15:57,759 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:57,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:57,760 INFO L85 PathProgramCache]: Analyzing trace with hash -22306737, now seen corresponding path program 1 times [2024-11-09 11:15:57,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:57,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188482585] [2024-11-09 11:15:57,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:57,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:57,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:57,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:57,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188482585] [2024-11-09 11:15:57,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188482585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:15:57,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:15:57,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:15:57,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758523910] [2024-11-09 11:15:57,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:15:57,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:15:57,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:57,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:15:57,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:15:57,803 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:57,826 INFO L93 Difference]: Finished difference Result 36 states and 40 transitions. [2024-11-09 11:15:57,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:15:57,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-09 11:15:57,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:57,827 INFO L225 Difference]: With dead ends: 36 [2024-11-09 11:15:57,827 INFO L226 Difference]: Without dead ends: 35 [2024-11-09 11:15:57,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:15:57,828 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 7 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:57,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 30 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:15:57,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-09 11:15:57,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2024-11-09 11:15:57,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.3) internal successors, (39), 32 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2024-11-09 11:15:57,840 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 10 [2024-11-09 11:15:57,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:57,841 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2024-11-09 11:15:57,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2024-11-09 11:15:57,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 11:15:57,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:57,841 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:15:57,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 11:15:57,842 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:57,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:57,843 INFO L85 PathProgramCache]: Analyzing trace with hash -20798319, now seen corresponding path program 1 times [2024-11-09 11:15:57,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:57,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212110078] [2024-11-09 11:15:57,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:57,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:57,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:57,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212110078] [2024-11-09 11:15:57,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212110078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:15:57,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:15:57,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:15:57,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788599412] [2024-11-09 11:15:57,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:15:57,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:15:57,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:57,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:15:57,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:15:57,888 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:57,903 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2024-11-09 11:15:57,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:15:57,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-09 11:15:57,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:57,905 INFO L225 Difference]: With dead ends: 52 [2024-11-09 11:15:57,905 INFO L226 Difference]: Without dead ends: 51 [2024-11-09 11:15:57,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:15:57,906 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 8 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:57,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 32 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:15:57,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-09 11:15:57,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 41. [2024-11-09 11:15:57,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.236842105263158) internal successors, (47), 40 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2024-11-09 11:15:57,914 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 10 [2024-11-09 11:15:57,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:57,914 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2024-11-09 11:15:57,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,915 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2024-11-09 11:15:57,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 11:15:57,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:57,915 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:15:57,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:15:57,916 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:57,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:57,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1487653600, now seen corresponding path program 1 times [2024-11-09 11:15:57,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:57,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512297559] [2024-11-09 11:15:57,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:57,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:57,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:57,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512297559] [2024-11-09 11:15:57,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512297559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:15:57,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:15:57,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:15:57,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149892882] [2024-11-09 11:15:57,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:15:57,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:15:57,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:57,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:15:57,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:15:57,963 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:57,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:57,995 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2024-11-09 11:15:57,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:15:57,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-09 11:15:57,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:57,997 INFO L225 Difference]: With dead ends: 43 [2024-11-09 11:15:57,997 INFO L226 Difference]: Without dead ends: 42 [2024-11-09 11:15:57,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:15:57,998 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:57,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 30 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:15:57,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-09 11:15:58,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2024-11-09 11:15:58,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.1944444444444444) internal successors, (43), 37 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:58,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2024-11-09 11:15:58,005 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 12 [2024-11-09 11:15:58,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:58,005 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2024-11-09 11:15:58,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:58,005 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2024-11-09 11:15:58,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:15:58,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:58,006 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:15:58,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:15:58,007 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:58,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:58,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1077552823, now seen corresponding path program 1 times [2024-11-09 11:15:58,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:58,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281565198] [2024-11-09 11:15:58,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:58,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:58,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:58,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281565198] [2024-11-09 11:15:58,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281565198] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:15:58,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112262285] [2024-11-09 11:15:58,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:58,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:15:58,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:15:58,048 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 11:15:58,050 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 11:15:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:58,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:15:58,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:15:58,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:58,144 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:15:58,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:58,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112262285] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:15:58,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:15:58,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-09 11:15:58,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566442503] [2024-11-09 11:15:58,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:15:58,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:15:58,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:58,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:15:58,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:15:58,188 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:58,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:58,231 INFO L93 Difference]: Finished difference Result 117 states and 133 transitions. [2024-11-09 11:15:58,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:15:58,232 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-09 11:15:58,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:58,235 INFO L225 Difference]: With dead ends: 117 [2024-11-09 11:15:58,236 INFO L226 Difference]: Without dead ends: 116 [2024-11-09 11:15:58,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:15:58,237 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 40 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:58,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 69 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:15:58,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-09 11:15:58,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 68. [2024-11-09 11:15:58,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 66 states have (on average 1.196969696969697) internal successors, (79), 67 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:58,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 79 transitions. [2024-11-09 11:15:58,249 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 79 transitions. Word has length 15 [2024-11-09 11:15:58,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:58,249 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 79 transitions. [2024-11-09 11:15:58,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:58,249 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2024-11-09 11:15:58,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 11:15:58,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:58,250 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-09 11:15:58,264 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 11:15:58,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-09 11:15:58,455 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:58,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:58,456 INFO L85 PathProgramCache]: Analyzing trace with hash 2142003164, now seen corresponding path program 1 times [2024-11-09 11:15:58,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:58,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485245608] [2024-11-09 11:15:58,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:58,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:58,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:58,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485245608] [2024-11-09 11:15:58,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485245608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:15:58,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658189443] [2024-11-09 11:15:58,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:58,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:15:58,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:15:58,506 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 11:15:58,508 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 11:15:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:58,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:15:58,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:15:58,582 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:58,582 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:15:58,627 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:58,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658189443] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:15:58,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:15:58,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-09 11:15:58,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309195570] [2024-11-09 11:15:58,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:15:58,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:15:58,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:58,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:15:58,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:15:58,629 INFO L87 Difference]: Start difference. First operand 68 states and 79 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:58,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:58,657 INFO L93 Difference]: Finished difference Result 169 states and 196 transitions. [2024-11-09 11:15:58,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:15:58,658 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-09 11:15:58,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:58,659 INFO L225 Difference]: With dead ends: 169 [2024-11-09 11:15:58,659 INFO L226 Difference]: Without dead ends: 168 [2024-11-09 11:15:58,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:15:58,660 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 30 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:58,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 66 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:15:58,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-09 11:15:58,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 164. [2024-11-09 11:15:58,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 162 states have (on average 1.191358024691358) internal successors, (193), 163 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:58,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2024-11-09 11:15:58,693 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 18 [2024-11-09 11:15:58,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:58,693 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2024-11-09 11:15:58,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:58,694 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2024-11-09 11:15:58,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:15:58,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:58,695 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2024-11-09 11:15:58,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 11:15:58,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-09 11:15:58,896 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:58,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:58,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1424536943, now seen corresponding path program 2 times [2024-11-09 11:15:58,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:58,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470291779] [2024-11-09 11:15:58,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:58,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:58,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:58,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470291779] [2024-11-09 11:15:58,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470291779] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:15:58,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008683601] [2024-11-09 11:15:58,988 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:15:58,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:15:58,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:15:58,990 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 11:15:58,991 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 11:15:59,025 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:15:59,025 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:15:59,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:15:59,028 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:15:59,074 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:59,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:15:59,169 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:59,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008683601] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:15:59,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:15:59,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-09 11:15:59,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320089985] [2024-11-09 11:15:59,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:15:59,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:15:59,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:59,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:15:59,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:15:59,171 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:59,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:59,259 INFO L93 Difference]: Finished difference Result 645 states and 733 transitions. [2024-11-09 11:15:59,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:15:59,260 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-09 11:15:59,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:59,262 INFO L225 Difference]: With dead ends: 645 [2024-11-09 11:15:59,262 INFO L226 Difference]: Without dead ends: 644 [2024-11-09 11:15:59,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:15:59,266 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 168 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:59,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 135 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:15:59,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-09 11:15:59,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 314. [2024-11-09 11:15:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 312 states have (on average 1.1955128205128205) internal successors, (373), 313 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:59,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 373 transitions. [2024-11-09 11:15:59,305 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 373 transitions. Word has length 30 [2024-11-09 11:15:59,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:59,306 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 373 transitions. [2024-11-09 11:15:59,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:59,306 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 373 transitions. [2024-11-09 11:15:59,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 11:15:59,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:59,307 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1] [2024-11-09 11:15:59,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:15:59,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:15:59,508 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:59,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:59,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1116770173, now seen corresponding path program 2 times [2024-11-09 11:15:59,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:59,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289965471] [2024-11-09 11:15:59,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:59,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:15:59,588 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:15:59,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:15:59,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289965471] [2024-11-09 11:15:59,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289965471] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:15:59,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180980811] [2024-11-09 11:15:59,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:15:59,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:15:59,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:15:59,591 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 11:15:59,592 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 11:15:59,631 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:15:59,632 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:15:59,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:15:59,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:15:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:15:59,684 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:15:59,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180980811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:15:59,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:15:59,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2024-11-09 11:15:59,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605229964] [2024-11-09 11:15:59,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:15:59,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:15:59,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:15:59,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:15:59,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:15:59,686 INFO L87 Difference]: Start difference. First operand 314 states and 373 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:59,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:15:59,719 INFO L93 Difference]: Finished difference Result 320 states and 378 transitions. [2024-11-09 11:15:59,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:15:59,720 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2024-11-09 11:15:59,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:15:59,721 INFO L225 Difference]: With dead ends: 320 [2024-11-09 11:15:59,721 INFO L226 Difference]: Without dead ends: 61 [2024-11-09 11:15:59,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:15:59,723 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:15:59,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:15:59,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-09 11:15:59,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-09 11:15:59,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.0166666666666666) internal successors, (61), 60 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:59,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2024-11-09 11:15:59,727 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 42 [2024-11-09 11:15:59,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:15:59,727 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2024-11-09 11:15:59,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:15:59,727 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2024-11-09 11:15:59,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-09 11:15:59,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:15:59,729 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 1, 1, 1, 1, 1, 1] [2024-11-09 11:15:59,748 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 11:15:59,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:15:59,929 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:15:59,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:15:59,930 INFO L85 PathProgramCache]: Analyzing trace with hash 285877137, now seen corresponding path program 3 times [2024-11-09 11:15:59,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:15:59,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278498525] [2024-11-09 11:15:59,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:15:59,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:15:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:16:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:16:00,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:16:00,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278498525] [2024-11-09 11:16:00,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278498525] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:16:00,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236124380] [2024-11-09 11:16:00,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 11:16:00,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:16:00,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:16:00,136 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 11:16:00,138 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 11:16:00,188 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-09 11:16:00,188 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:16:00,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-09 11:16:00,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:16:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:16:00,280 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:16:00,564 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:16:00,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236124380] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:16:00,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:16:00,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-09 11:16:00,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323837375] [2024-11-09 11:16:00,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:16:00,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-09 11:16:00,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:16:00,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-09 11:16:00,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:16:00,566 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:16:00,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:16:00,653 INFO L93 Difference]: Finished difference Result 122 states and 133 transitions. [2024-11-09 11:16:00,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-09 11:16:00,654 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2024-11-09 11:16:00,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:16:00,654 INFO L225 Difference]: With dead ends: 122 [2024-11-09 11:16:00,655 INFO L226 Difference]: Without dead ends: 121 [2024-11-09 11:16:00,655 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:16:00,655 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:16:00,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:16:00,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-09 11:16:00,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-09 11:16:00,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 120 states have (on average 1.0083333333333333) internal successors, (121), 120 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:16:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2024-11-09 11:16:00,663 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 60 [2024-11-09 11:16:00,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:16:00,663 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2024-11-09 11:16:00,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.043478260869565) internal successors, (116), 24 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:16:00,663 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2024-11-09 11:16:00,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-09 11:16:00,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:16:00,668 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 1, 1, 1, 1, 1, 1] [2024-11-09 11:16:00,685 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 11:16:00,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 11:16:00,873 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:16:00,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:16:00,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1455778415, now seen corresponding path program 4 times [2024-11-09 11:16:00,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:16:00,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761393791] [2024-11-09 11:16:00,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:16:00,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:16:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:16:01,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:16:01,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:16:01,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761393791] [2024-11-09 11:16:01,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761393791] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:16:01,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222539094] [2024-11-09 11:16:01,486 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-09 11:16:01,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:16:01,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:16:01,488 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 11:16:01,489 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 11:16:01,553 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-09 11:16:01,554 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:16:01,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 11:16:01,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:16:01,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:16:01,731 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:16:02,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:16:02,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222539094] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:16:02,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:16:02,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-09 11:16:02,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982474741] [2024-11-09 11:16:02,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:16:02,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-09 11:16:02,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:16:02,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-09 11:16:02,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-09 11:16:02,638 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand has 48 states, 47 states have (on average 5.0212765957446805) internal successors, (236), 48 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:16:02,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:16:02,785 INFO L93 Difference]: Finished difference Result 242 states and 265 transitions. [2024-11-09 11:16:02,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-09 11:16:02,785 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.0212765957446805) internal successors, (236), 48 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2024-11-09 11:16:02,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:16:02,787 INFO L225 Difference]: With dead ends: 242 [2024-11-09 11:16:02,787 INFO L226 Difference]: Without dead ends: 241 [2024-11-09 11:16:02,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-09 11:16:02,789 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:16:02,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:16:02,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-09 11:16:02,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2024-11-09 11:16:02,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 240 states have (on average 1.0041666666666667) internal successors, (241), 240 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:16:02,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 241 transitions. [2024-11-09 11:16:02,811 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 241 transitions. Word has length 120 [2024-11-09 11:16:02,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:16:02,812 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 241 transitions. [2024-11-09 11:16:02,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.0212765957446805) internal successors, (236), 48 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:16:02,812 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 241 transitions. [2024-11-09 11:16:02,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-09 11:16:02,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:16:02,816 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 1, 1, 1, 1, 1, 1] [2024-11-09 11:16:02,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:16:03,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-09 11:16:03,017 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:16:03,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:16:03,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1568245359, now seen corresponding path program 5 times [2024-11-09 11:16:03,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:16:03,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090184346] [2024-11-09 11:16:03,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:16:03,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:16:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:16:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:16:05,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:16:05,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090184346] [2024-11-09 11:16:05,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090184346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:16:05,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955130551] [2024-11-09 11:16:05,050 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-09 11:16:05,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:16:05,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:16:05,052 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 11:16:05,064 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 11:16:05,189 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-09 11:16:05,189 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:16:05,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-09 11:16:05,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:16:05,524 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:16:05,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:16:08,201 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:16:08,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955130551] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:16:08,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:16:08,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-09 11:16:08,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13059894] [2024-11-09 11:16:08,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:16:08,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-09 11:16:08,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:16:08,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-09 11:16:08,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-09 11:16:08,209 INFO L87 Difference]: Start difference. First operand 241 states and 241 transitions. Second operand has 96 states, 95 states have (on average 5.010526315789473) internal successors, (476), 96 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:16:08,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:16:08,578 INFO L93 Difference]: Finished difference Result 482 states and 529 transitions. [2024-11-09 11:16:08,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-09 11:16:08,578 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.010526315789473) internal successors, (476), 96 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 240 [2024-11-09 11:16:08,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:16:08,581 INFO L225 Difference]: With dead ends: 482 [2024-11-09 11:16:08,581 INFO L226 Difference]: Without dead ends: 481 [2024-11-09 11:16:08,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-09 11:16:08,584 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:16:08,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 318 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:16:08,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-09 11:16:08,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 481. [2024-11-09 11:16:08,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 480 states have (on average 1.0020833333333334) internal successors, (481), 480 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:16:08,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 481 transitions. [2024-11-09 11:16:08,601 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 481 transitions. Word has length 240 [2024-11-09 11:16:08,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:16:08,602 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 481 transitions. [2024-11-09 11:16:08,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.010526315789473) internal successors, (476), 96 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:16:08,603 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 481 transitions. [2024-11-09 11:16:08,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2024-11-09 11:16:08,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:16:08,612 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 1, 1, 1, 1, 1, 1] [2024-11-09 11:16:08,630 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 11:16:08,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:16:08,813 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:16:08,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:16:08,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1765129839, now seen corresponding path program 6 times [2024-11-09 11:16:08,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:16:08,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360986756] [2024-11-09 11:16:08,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:16:08,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:16:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:16:15,344 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:16:15,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:16:15,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360986756] [2024-11-09 11:16:15,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360986756] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:16:15,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363207929] [2024-11-09 11:16:15,345 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-09 11:16:15,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:16:15,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:16:15,346 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 11:16:15,347 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 11:16:15,559 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-09 11:16:15,559 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:16:15,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-09 11:16:15,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:16:16,079 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:16:16,079 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:16:25,350 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:16:25,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363207929] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:16:25,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:16:25,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-09 11:16:25,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278471643] [2024-11-09 11:16:25,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:16:25,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-09 11:16:25,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:16:25,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-09 11:16:25,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-09 11:16:25,363 INFO L87 Difference]: Start difference. First operand 481 states and 481 transitions. Second operand has 192 states, 191 states have (on average 5.005235602094241) internal successors, (956), 192 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:16:26,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:16:26,530 INFO L93 Difference]: Finished difference Result 962 states and 1057 transitions. [2024-11-09 11:16:26,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-09 11:16:26,531 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 5.005235602094241) internal successors, (956), 192 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 480 [2024-11-09 11:16:26,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:16:26,535 INFO L225 Difference]: With dead ends: 962 [2024-11-09 11:16:26,535 INFO L226 Difference]: Without dead ends: 961 [2024-11-09 11:16:26,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1054 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-09 11:16:26,538 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:16:26,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 591 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:16:26,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2024-11-09 11:16:26,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 961. [2024-11-09 11:16:26,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 960 states have (on average 1.0010416666666666) internal successors, (961), 960 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:16:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 961 transitions. [2024-11-09 11:16:26,565 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 961 transitions. Word has length 480 [2024-11-09 11:16:26,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:16:26,566 INFO L471 AbstractCegarLoop]: Abstraction has 961 states and 961 transitions. [2024-11-09 11:16:26,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 5.005235602094241) internal successors, (956), 192 states have internal predecessors, (956), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:16:26,566 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 961 transitions. [2024-11-09 11:16:26,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 961 [2024-11-09 11:16:26,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:16:26,592 INFO L215 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 190, 1, 1, 1, 1, 1, 1] [2024-11-09 11:16:26,611 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 11:16:26,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:16:26,793 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:16:26,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:16:26,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1979830673, now seen corresponding path program 7 times [2024-11-09 11:16:26,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:16:26,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106084988] [2024-11-09 11:16:26,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:16:26,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:16:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:16:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 90725 backedges. 0 proven. 90725 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:16:50,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:16:50,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106084988] [2024-11-09 11:16:50,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106084988] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:16:50,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879167949] [2024-11-09 11:16:50,515 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-09 11:16:50,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:16:50,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:16:50,517 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 11:16:50,519 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 11:16:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:16:50,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 1731 conjuncts, 192 conjuncts are in the unsatisfiable core [2024-11-09 11:16:50,789 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:16:51,717 INFO L134 CoverageAnalysis]: Checked inductivity of 90725 backedges. 0 proven. 90725 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:16:51,717 INFO L311 TraceCheckSpWp]: Computing backward predicates...