./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/DivMinus.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-restricted-15/DivMinus.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 994e912bd4544afb34dfd80da3167326cad668e93cc9b8e5e1266c7e92b136ec --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:10:06,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:10:06,561 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-22 22:10:06,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:10:06,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:10:06,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:10:06,600 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:10:06,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:10:06,601 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:10:06,603 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:10:06,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:10:06,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:10:06,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:10:06,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:10:06,605 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:10:06,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:10:06,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:10:06,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:10:06,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:10:06,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:10:06,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:10:06,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:10:06,612 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:10:06,613 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:10:06,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:10:06,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:10:06,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:10:06,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:10:06,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:10:06,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:10:06,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:10:06,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:10:06,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:10:06,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:10:06,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:10:06,616 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:10:06,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:10:06,618 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:10:06,618 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:10:06,618 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:10:06,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:10:06,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 994e912bd4544afb34dfd80da3167326cad668e93cc9b8e5e1266c7e92b136ec [2024-11-22 22:10:06,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:10:06,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:10:06,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:10:06,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:10:06,884 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:10:06,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/DivMinus.c [2024-11-22 22:10:08,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:10:08,483 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:10:08,483 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/DivMinus.c [2024-11-22 22:10:08,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbba4ad4e/9df6aa69b69d4cc9ad6d0ffe76953f7e/FLAGd3a8bd3bb [2024-11-22 22:10:08,504 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbba4ad4e/9df6aa69b69d4cc9ad6d0ffe76953f7e [2024-11-22 22:10:08,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:10:08,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:10:08,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:10:08,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:10:08,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:10:08,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:10:08" (1/1) ... [2024-11-22 22:10:08,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7715c1c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08, skipping insertion in model container [2024-11-22 22:10:08,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:10:08" (1/1) ... [2024-11-22 22:10:08,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:10:08,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:10:08,712 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:10:08,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:10:08,741 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:10:08,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08 WrapperNode [2024-11-22 22:10:08,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:10:08,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:10:08,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:10:08,743 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:10:08,750 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08" (1/1) ... [2024-11-22 22:10:08,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08" (1/1) ... [2024-11-22 22:10:08,771 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2024-11-22 22:10:08,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:10:08,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:10:08,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:10:08,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:10:08,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08" (1/1) ... [2024-11-22 22:10:08,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08" (1/1) ... [2024-11-22 22:10:08,783 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08" (1/1) ... [2024-11-22 22:10:08,788 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-22 22:10:08,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08" (1/1) ... [2024-11-22 22:10:08,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08" (1/1) ... [2024-11-22 22:10:08,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08" (1/1) ... [2024-11-22 22:10:08,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08" (1/1) ... [2024-11-22 22:10:08,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08" (1/1) ... [2024-11-22 22:10:08,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08" (1/1) ... [2024-11-22 22:10:08,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:10:08,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:10:08,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:10:08,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:10:08,802 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08" (1/1) ... [2024-11-22 22:10:08,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:10:08,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:10:08,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 22:10:08,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 22:10:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:10:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:10:08,941 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:10:08,943 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:10:09,008 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-22 22:10:09,008 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:10:09,021 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:10:09,022 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:10:09,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:10:09 BoogieIcfgContainer [2024-11-22 22:10:09,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:10:09,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:10:09,027 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:10:09,030 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:10:09,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:10:08" (1/3) ... [2024-11-22 22:10:09,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28950399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:10:09, skipping insertion in model container [2024-11-22 22:10:09,033 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:10:08" (2/3) ... [2024-11-22 22:10:09,033 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28950399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:10:09, skipping insertion in model container [2024-11-22 22:10:09,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:10:09" (3/3) ... [2024-11-22 22:10:09,035 INFO L112 eAbstractionObserver]: Analyzing ICFG DivMinus.c [2024-11-22 22:10:09,052 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:10:09,052 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-22 22:10:09,114 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:10:09,122 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;@4103a46c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:10:09,124 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-22 22:10:09,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 10 states have (on average 1.6) internal successors, (16), 14 states have internal predecessors, (16), 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) [2024-11-22 22:10:09,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-22 22:10:09,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:10:09,134 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-22 22:10:09,134 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:10:09,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:10:09,143 INFO L85 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2024-11-22 22:10:09,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:10:09,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218684366] [2024-11-22 22:10:09,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:10:09,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:10:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:10:09,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:09,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:10:09,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218684366] [2024-11-22 22:10:09,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218684366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:10:09,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:10:09,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:10:09,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082677761] [2024-11-22 22:10:09,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:10:09,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:10:09,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:10:09,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:10:09,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:10:09,364 INFO L87 Difference]: Start difference. First operand has 15 states, 10 states have (on average 1.6) internal successors, (16), 14 states have internal predecessors, (16), 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) [2024-11-22 22:10:09,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:10:09,393 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2024-11-22 22:10:09,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:10:09,395 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 [2024-11-22 22:10:09,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:10:09,402 INFO L225 Difference]: With dead ends: 19 [2024-11-22 22:10:09,402 INFO L226 Difference]: Without dead ends: 10 [2024-11-22 22:10:09,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:10:09,408 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:10:09,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 18 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:10:09,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-22 22:10:09,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-22 22:10:09,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 9 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) [2024-11-22 22:10:09,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-22 22:10:09,447 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 4 [2024-11-22 22:10:09,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:10:09,448 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-11-22 22:10:09,448 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) [2024-11-22 22:10:09,448 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-22 22:10:09,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-22 22:10:09,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:10:09,449 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-22 22:10:09,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:10:09,459 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:10:09,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:10:09,460 INFO L85 PathProgramCache]: Analyzing trace with hash 28699721, now seen corresponding path program 1 times [2024-11-22 22:10:09,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:10:09,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620635764] [2024-11-22 22:10:09,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:10:09,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:10:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:10:09,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:09,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:10:09,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620635764] [2024-11-22 22:10:09,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620635764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:10:09,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:10:09,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:10:09,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039947212] [2024-11-22 22:10:09,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:10:09,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:10:09,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:10:09,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:10:09,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:10:09,531 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2024-11-22 22:10:09,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:10:09,568 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2024-11-22 22:10:09,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:10:09,568 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 [2024-11-22 22:10:09,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:10:09,569 INFO L225 Difference]: With dead ends: 10 [2024-11-22 22:10:09,569 INFO L226 Difference]: Without dead ends: 9 [2024-11-22 22:10:09,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:10:09,571 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 6 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 12 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 [2024-11-22 22:10:09,571 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 12 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:10:09,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-22 22:10:09,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-22 22:10:09,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 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) [2024-11-22 22:10:09,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-22 22:10:09,576 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-22 22:10:09,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:10:09,576 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-22 22:10:09,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2024-11-22 22:10:09,577 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-22 22:10:09,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 22:10:09,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:10:09,578 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 22:10:09,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:10:09,579 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:10:09,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:10:09,580 INFO L85 PathProgramCache]: Analyzing trace with hash 889691398, now seen corresponding path program 1 times [2024-11-22 22:10:09,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:10:09,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231343562] [2024-11-22 22:10:09,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:10:09,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:10:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:10:09,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:09,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:10:09,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231343562] [2024-11-22 22:10:09,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231343562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:10:09,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:10:09,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:10:09,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616274522] [2024-11-22 22:10:09,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:10:09,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:10:09,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:10:09,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:10:09,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:10:09,620 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:10:09,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:10:09,628 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2024-11-22 22:10:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:10:09,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-22 22:10:09,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:10:09,631 INFO L225 Difference]: With dead ends: 9 [2024-11-22 22:10:09,631 INFO L226 Difference]: Without dead ends: 8 [2024-11-22 22:10:09,632 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:10:09,633 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 1 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6 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 [2024-11-22 22:10:09,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:10:09,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-11-22 22:10:09,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-11-22 22:10:09,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 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) [2024-11-22 22:10:09,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-22 22:10:09,640 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2024-11-22 22:10:09,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:10:09,641 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-11-22 22:10:09,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:10:09,641 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-22 22:10:09,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-22 22:10:09,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:10:09,643 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:10:09,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:10:09,643 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:10:09,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:10:09,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1810629611, now seen corresponding path program 1 times [2024-11-22 22:10:09,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:10:09,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566272306] [2024-11-22 22:10:09,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:10:09,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:10:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:10:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:09,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:10:09,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566272306] [2024-11-22 22:10:09,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566272306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:10:09,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:10:09,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:10:09,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991247200] [2024-11-22 22:10:09,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:10:09,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:10:09,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:10:09,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:10:09,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:10:09,692 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:10:09,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:10:09,704 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-22 22:10:09,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:10:09,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-22 22:10:09,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:10:09,705 INFO L225 Difference]: With dead ends: 14 [2024-11-22 22:10:09,705 INFO L226 Difference]: Without dead ends: 13 [2024-11-22 22:10:09,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:10:09,707 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 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 [2024-11-22 22:10:09,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:10:09,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-22 22:10:09,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-22 22:10:09,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 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) [2024-11-22 22:10:09,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-22 22:10:09,712 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 7 [2024-11-22 22:10:09,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:10:09,712 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-22 22:10:09,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:10:09,713 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-22 22:10:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 22:10:09,713 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:10:09,713 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1] [2024-11-22 22:10:09,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-22 22:10:09,714 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:10:09,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:10:09,715 INFO L85 PathProgramCache]: Analyzing trace with hash -646531742, now seen corresponding path program 1 times [2024-11-22 22:10:09,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:10:09,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449313016] [2024-11-22 22:10:09,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:10:09,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:10:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:10:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:09,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:10:09,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449313016] [2024-11-22 22:10:09,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449313016] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:10:09,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2085908846] [2024-11-22 22:10:09,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:10:09,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:10:09,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:10:09,818 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:10:09,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:10:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:10:09,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:10:09,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:10:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:09,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:10:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:09,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2085908846] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:10:09,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:10:09,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-22 22:10:09,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429612269] [2024-11-22 22:10:09,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:10:09,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:10:09,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:10:09,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:10:09,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:10:09,980 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 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) [2024-11-22 22:10:10,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:10:10,008 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2024-11-22 22:10:10,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:10:10,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 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) Word has length 12 [2024-11-22 22:10:10,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:10:10,010 INFO L225 Difference]: With dead ends: 29 [2024-11-22 22:10:10,011 INFO L226 Difference]: Without dead ends: 28 [2024-11-22 22:10:10,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:10:10,014 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:10:10,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:10:10,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-22 22:10:10,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-22 22:10:10,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.037037037037037) internal successors, (28), 27 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) [2024-11-22 22:10:10,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2024-11-22 22:10:10,022 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 12 [2024-11-22 22:10:10,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:10:10,023 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2024-11-22 22:10:10,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 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) [2024-11-22 22:10:10,023 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2024-11-22 22:10:10,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-22 22:10:10,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:10:10,024 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 1, 1, 1] [2024-11-22 22:10:10,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 22:10:10,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:10:10,229 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:10:10,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:10:10,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1214197931, now seen corresponding path program 2 times [2024-11-22 22:10:10,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:10:10,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571674171] [2024-11-22 22:10:10,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:10:10,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:10:10,253 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:10:10,253 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:10:10,371 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:10,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:10:10,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571674171] [2024-11-22 22:10:10,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571674171] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:10:10,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510700854] [2024-11-22 22:10:10,373 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-22 22:10:10,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:10:10,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:10:10,376 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:10:10,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:10:10,421 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-22 22:10:10,421 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:10:10,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-22 22:10:10,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:10:10,487 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:10,487 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:10:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:10,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510700854] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:10:10,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:10:10,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-22 22:10:10,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649730554] [2024-11-22 22:10:10,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:10:10,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:10:10,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:10:10,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:10:10,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:10:10,619 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 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) [2024-11-22 22:10:10,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:10:10,670 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2024-11-22 22:10:10,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:10:10,671 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 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 27 [2024-11-22 22:10:10,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:10:10,672 INFO L225 Difference]: With dead ends: 59 [2024-11-22 22:10:10,673 INFO L226 Difference]: Without dead ends: 58 [2024-11-22 22:10:10,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:10:10,675 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:10:10,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 41 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:10:10,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-22 22:10:10,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-22 22:10:10,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.0175438596491229) internal successors, (58), 57 states have internal predecessors, (58), 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) [2024-11-22 22:10:10,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2024-11-22 22:10:10,688 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 27 [2024-11-22 22:10:10,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:10:10,688 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2024-11-22 22:10:10,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.818181818181818) internal successors, (53), 12 states have internal predecessors, (53), 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) [2024-11-22 22:10:10,689 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2024-11-22 22:10:10,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-22 22:10:10,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:10:10,691 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 1, 1, 1] [2024-11-22 22:10:10,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 22:10:10,895 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,SelfDestructingSolverStorable5 [2024-11-22 22:10:10,896 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:10:10,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:10:10,896 INFO L85 PathProgramCache]: Analyzing trace with hash -869666869, now seen corresponding path program 3 times [2024-11-22 22:10:10,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:10:10,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730647152] [2024-11-22 22:10:10,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:10:10,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:10:10,922 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-22 22:10:10,923 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:10:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:11,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:10:11,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730647152] [2024-11-22 22:10:11,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730647152] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:10:11,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1601165984] [2024-11-22 22:10:11,212 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-22 22:10:11,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:10:11,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:10:11,214 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:10:11,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:10:11,260 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-22 22:10:11,260 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:10:11,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:10:11,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:10:11,380 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:11,380 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:10:11,703 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:11,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1601165984] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:10:11,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:10:11,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-22 22:10:11,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527545986] [2024-11-22 22:10:11,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:10:11,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-22 22:10:11,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:10:11,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-22 22:10:11,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:10:11,710 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand has 24 states, 23 states have (on average 4.913043478260869) internal successors, (113), 24 states have internal predecessors, (113), 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) [2024-11-22 22:10:11,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:10:11,807 INFO L93 Difference]: Finished difference Result 119 states and 130 transitions. [2024-11-22 22:10:11,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-22 22:10:11,808 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 4.913043478260869) internal successors, (113), 24 states have internal predecessors, (113), 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 57 [2024-11-22 22:10:11,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:10:11,809 INFO L225 Difference]: With dead ends: 119 [2024-11-22 22:10:11,809 INFO L226 Difference]: Without dead ends: 118 [2024-11-22 22:10:11,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:10:11,810 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:10:11,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:10:11,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-22 22:10:11,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-22 22:10:11,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.0085470085470085) internal successors, (118), 117 states have internal predecessors, (118), 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) [2024-11-22 22:10:11,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 118 transitions. [2024-11-22 22:10:11,827 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 118 transitions. Word has length 57 [2024-11-22 22:10:11,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:10:11,827 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 118 transitions. [2024-11-22 22:10:11,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 4.913043478260869) internal successors, (113), 24 states have internal predecessors, (113), 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) [2024-11-22 22:10:11,828 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 118 transitions. [2024-11-22 22:10:11,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-22 22:10:11,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:10:11,830 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 1, 1, 1] [2024-11-22 22:10:11,837 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-22 22:10:12,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:10:12,033 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:10:12,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:10:12,033 INFO L85 PathProgramCache]: Analyzing trace with hash 389269003, now seen corresponding path program 4 times [2024-11-22 22:10:12,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:10:12,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990745315] [2024-11-22 22:10:12,034 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:10:12,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:10:12,068 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:10:12,068 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:10:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:12,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:10:12,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990745315] [2024-11-22 22:10:12,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990745315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:10:12,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297156612] [2024-11-22 22:10:12,725 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-22 22:10:12,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:10:12,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:10:12,727 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:10:12,731 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:10:12,793 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-22 22:10:12,793 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:10:12,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-22 22:10:12,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:10:12,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:12,965 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:10:13,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:13,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297156612] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:10:13,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:10:13,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-22 22:10:13,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362642788] [2024-11-22 22:10:13,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:10:13,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-22 22:10:13,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:10:13,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-22 22:10:13,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-22 22:10:13,882 INFO L87 Difference]: Start difference. First operand 118 states and 118 transitions. Second operand has 48 states, 47 states have (on average 4.957446808510638) internal successors, (233), 48 states have internal predecessors, (233), 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) [2024-11-22 22:10:14,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:10:14,046 INFO L93 Difference]: Finished difference Result 239 states and 262 transitions. [2024-11-22 22:10:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-22 22:10:14,046 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.957446808510638) internal successors, (233), 48 states have internal predecessors, (233), 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 117 [2024-11-22 22:10:14,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:10:14,048 INFO L225 Difference]: With dead ends: 239 [2024-11-22 22:10:14,048 INFO L226 Difference]: Without dead ends: 238 [2024-11-22 22:10:14,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-22 22:10:14,054 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:10:14,055 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:10:14,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-22 22:10:14,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 238. [2024-11-22 22:10:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 1.0042194092827004) internal successors, (238), 237 states have internal predecessors, (238), 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) [2024-11-22 22:10:14,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 238 transitions. [2024-11-22 22:10:14,089 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 238 transitions. Word has length 117 [2024-11-22 22:10:14,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:10:14,090 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 238 transitions. [2024-11-22 22:10:14,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.957446808510638) internal successors, (233), 48 states have internal predecessors, (233), 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) [2024-11-22 22:10:14,090 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 238 transitions. [2024-11-22 22:10:14,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-22 22:10:14,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:10:14,095 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 1, 1, 1] [2024-11-22 22:10:14,103 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 22:10:14,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:10:14,300 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:10:14,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:10:14,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1928277365, now seen corresponding path program 5 times [2024-11-22 22:10:14,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:10:14,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318114178] [2024-11-22 22:10:14,301 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-22 22:10:14,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:10:14,448 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-22 22:10:14,448 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:10:16,731 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:16,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:10:16,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318114178] [2024-11-22 22:10:16,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318114178] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:10:16,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502801068] [2024-11-22 22:10:16,732 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-22 22:10:16,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:10:16,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:10:16,734 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:10:16,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:10:16,859 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-22 22:10:16,859 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:10:16,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-22 22:10:16,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:10:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:17,186 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:10:20,038 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:20,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502801068] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:10:20,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:10:20,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-22 22:10:20,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738894369] [2024-11-22 22:10:20,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:10:20,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-22 22:10:20,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:10:20,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-22 22:10:20,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-22 22:10:20,047 INFO L87 Difference]: Start difference. First operand 238 states and 238 transitions. Second operand has 96 states, 95 states have (on average 4.978947368421053) internal successors, (473), 96 states have internal predecessors, (473), 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) [2024-11-22 22:10:20,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:10:20,381 INFO L93 Difference]: Finished difference Result 479 states and 526 transitions. [2024-11-22 22:10:20,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-22 22:10:20,382 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 4.978947368421053) internal successors, (473), 96 states have internal predecessors, (473), 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 237 [2024-11-22 22:10:20,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:10:20,387 INFO L225 Difference]: With dead ends: 479 [2024-11-22 22:10:20,387 INFO L226 Difference]: Without dead ends: 478 [2024-11-22 22:10:20,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2024-11-22 22:10:20,391 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:10:20,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 295 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:10:20,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-22 22:10:20,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2024-11-22 22:10:20,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 477 states have (on average 1.0020964360587001) internal successors, (478), 477 states have internal predecessors, (478), 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) [2024-11-22 22:10:20,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 478 transitions. [2024-11-22 22:10:20,422 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 478 transitions. Word has length 237 [2024-11-22 22:10:20,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:10:20,423 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 478 transitions. [2024-11-22 22:10:20,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 4.978947368421053) internal successors, (473), 96 states have internal predecessors, (473), 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) [2024-11-22 22:10:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 478 transitions. [2024-11-22 22:10:20,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2024-11-22 22:10:20,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:10:20,431 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 1, 1, 1] [2024-11-22 22:10:20,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-22 22:10:20,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:10:20,636 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:10:20,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:10:20,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1951372405, now seen corresponding path program 6 times [2024-11-22 22:10:20,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:10:20,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652953566] [2024-11-22 22:10:20,637 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-22 22:10:20,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:10:20,817 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-22 22:10:20,818 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:10:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:27,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:10:27,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652953566] [2024-11-22 22:10:27,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652953566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:10:27,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481245198] [2024-11-22 22:10:27,250 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-22 22:10:27,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:10:27,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:10:27,252 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:10:27,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:10:27,528 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-22 22:10:27,528 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-22 22:10:27,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-22 22:10:27,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:10:28,103 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:28,103 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:10:37,281 INFO L134 CoverageAnalysis]: Checked inductivity of 22325 backedges. 0 proven. 22325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:10:37,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481245198] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:10:37,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:10:37,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-22 22:10:37,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327986647] [2024-11-22 22:10:37,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:10:37,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-22 22:10:37,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:10:37,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-22 22:10:37,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-22 22:10:37,295 INFO L87 Difference]: Start difference. First operand 478 states and 478 transitions. Second operand has 192 states, 191 states have (on average 4.989528795811518) internal successors, (953), 192 states have internal predecessors, (953), 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) [2024-11-22 22:10:38,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:10:38,171 INFO L93 Difference]: Finished difference Result 959 states and 1054 transitions. [2024-11-22 22:10:38,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-22 22:10:38,172 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 4.989528795811518) internal successors, (953), 192 states have internal predecessors, (953), 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 477 [2024-11-22 22:10:38,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:10:38,176 INFO L225 Difference]: With dead ends: 959 [2024-11-22 22:10:38,176 INFO L226 Difference]: Without dead ends: 958 [2024-11-22 22:10:38,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1048 GetRequests, 858 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2024-11-22 22:10:38,179 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:10:38,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 585 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:10:38,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-11-22 22:10:38,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2024-11-22 22:10:38,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 957 states have (on average 1.0010449320794148) internal successors, (958), 957 states have internal predecessors, (958), 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) [2024-11-22 22:10:38,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 958 transitions. [2024-11-22 22:10:38,204 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 958 transitions. Word has length 477 [2024-11-22 22:10:38,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:10:38,205 INFO L471 AbstractCegarLoop]: Abstraction has 958 states and 958 transitions. [2024-11-22 22:10:38,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 4.989528795811518) internal successors, (953), 192 states have internal predecessors, (953), 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) [2024-11-22 22:10:38,206 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 958 transitions. [2024-11-22 22:10:38,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2024-11-22 22:10:38,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:10:38,230 INFO L215 NwaCegarLoop]: trace histogram [191, 191, 191, 191, 190, 1, 1, 1] [2024-11-22 22:10:38,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-22 22:10:38,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:10:38,431 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-22 22:10:38,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:10:38,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1299866229, now seen corresponding path program 7 times [2024-11-22 22:10:38,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:10:38,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143933569] [2024-11-22 22:10:38,432 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-22 22:10:38,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:10:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:11:01,187 INFO L134 CoverageAnalysis]: Checked inductivity of 90725 backedges. 0 proven. 90725 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:11:01,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:11:01,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143933569] [2024-11-22 22:11:01,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143933569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:11:01,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468543426] [2024-11-22 22:11:01,188 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-22 22:11:01,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:11:01,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:11:01,192 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:11:01,193 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:11:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:11:01,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 1917 conjuncts, 192 conjuncts are in the unsatisfiable core [2024-11-22 22:11:01,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:11:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 90725 backedges. 0 proven. 90725 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:11:02,426 INFO L311 TraceCheckSpWp]: Computing backward predicates...