./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 20:38:16,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 20:38:16,624 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 20:38:16,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 20:38:16,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 20:38:16,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 20:38:16,646 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 20:38:16,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 20:38:16,647 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 20:38:16,647 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 20:38:16,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 20:38:16,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 20:38:16,648 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 20:38:16,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 20:38:16,648 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 20:38:16,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 20:38:16,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 20:38:16,649 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 20:38:16,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 20:38:16,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 20:38:16,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 20:38:16,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 20:38:16,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 20:38:16,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 20:38:16,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 20:38:16,655 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 20:38:16,655 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 20:38:16,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 20:38:16,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 20:38:16,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 20:38:16,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 20:38:16,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 20:38:16,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 20:38:16,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 20:38:16,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:38:16,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 20:38:16,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 20:38:16,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 20:38:16,657 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 20:38:16,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 20:38:16,658 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 20:38:16,658 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 20:38:16,658 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 20:38:16,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 20:38:16,658 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 [2024-10-24 20:38:16,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 20:38:16,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 20:38:16,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 20:38:16,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 20:38:16,895 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 20:38:16,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2024-10-24 20:38:18,162 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 20:38:18,306 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 20:38:18,306 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2024-10-24 20:38:18,313 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c961638/c332bbadb2fc4bd1bc1cc33e72bdad6f/FLAG1c796729c [2024-10-24 20:38:18,328 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7c961638/c332bbadb2fc4bd1bc1cc33e72bdad6f [2024-10-24 20:38:18,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 20:38:18,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 20:38:18,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 20:38:18,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 20:38:18,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 20:38:18,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:38:18" (1/1) ... [2024-10-24 20:38:18,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d5a5f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18, skipping insertion in model container [2024-10-24 20:38:18,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 08:38:18" (1/1) ... [2024-10-24 20:38:18,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 20:38:18,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:38:18,537 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 20:38:18,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 20:38:18,572 INFO L204 MainTranslator]: Completed translation [2024-10-24 20:38:18,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18 WrapperNode [2024-10-24 20:38:18,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 20:38:18,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 20:38:18,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 20:38:18,574 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 20:38:18,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18" (1/1) ... [2024-10-24 20:38:18,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18" (1/1) ... [2024-10-24 20:38:18,604 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2024-10-24 20:38:18,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 20:38:18,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 20:38:18,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 20:38:18,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 20:38:18,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18" (1/1) ... [2024-10-24 20:38:18,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18" (1/1) ... [2024-10-24 20:38:18,616 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18" (1/1) ... [2024-10-24 20:38:18,625 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-24 20:38:18,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18" (1/1) ... [2024-10-24 20:38:18,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18" (1/1) ... [2024-10-24 20:38:18,628 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18" (1/1) ... [2024-10-24 20:38:18,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18" (1/1) ... [2024-10-24 20:38:18,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18" (1/1) ... [2024-10-24 20:38:18,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18" (1/1) ... [2024-10-24 20:38:18,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 20:38:18,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 20:38:18,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 20:38:18,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 20:38:18,639 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18" (1/1) ... [2024-10-24 20:38:18,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 20:38:18,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:18,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 20:38:18,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 20:38:18,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 20:38:18,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 20:38:18,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 20:38:18,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 20:38:18,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 20:38:18,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 20:38:18,815 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 20:38:18,817 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 20:38:19,124 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-10-24 20:38:19,125 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 20:38:19,152 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 20:38:19,153 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 20:38:19,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:38:19 BoogieIcfgContainer [2024-10-24 20:38:19,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 20:38:19,155 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 20:38:19,155 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 20:38:19,157 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 20:38:19,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 08:38:18" (1/3) ... [2024-10-24 20:38:19,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716317e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:38:19, skipping insertion in model container [2024-10-24 20:38:19,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 08:38:18" (2/3) ... [2024-10-24 20:38:19,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@716317e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 08:38:19, skipping insertion in model container [2024-10-24 20:38:19,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:38:19" (3/3) ... [2024-10-24 20:38:19,161 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound50.c [2024-10-24 20:38:19,174 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 20:38:19,174 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-10-24 20:38:19,225 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 20:38:19,229 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;@1618482e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 20:38:19,230 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-10-24 20:38:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 60 states have (on average 1.9333333333333333) internal successors, (116), 112 states have internal predecessors, (116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-24 20:38:19,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-24 20:38:19,236 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:19,237 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-24 20:38:19,237 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:19,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:19,241 INFO L85 PathProgramCache]: Analyzing trace with hash 187138, now seen corresponding path program 1 times [2024-10-24 20:38:19,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:19,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715694010] [2024-10-24 20:38:19,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:19,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:38:19,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:19,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715694010] [2024-10-24 20:38:19,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715694010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:19,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:19,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:38:19,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791787810] [2024-10-24 20:38:19,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:19,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 20:38:19,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:19,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 20:38:19,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:38:19,370 INFO L87 Difference]: Start difference. First operand has 120 states, 60 states have (on average 1.9333333333333333) internal successors, (116), 112 states have internal predecessors, (116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:38:19,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:19,402 INFO L93 Difference]: Finished difference Result 235 states and 261 transitions. [2024-10-24 20:38:19,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 20:38:19,404 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2024-10-24 20:38:19,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:19,409 INFO L225 Difference]: With dead ends: 235 [2024-10-24 20:38:19,409 INFO L226 Difference]: Without dead ends: 113 [2024-10-24 20:38:19,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 20:38:19,414 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:19,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:38:19,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-24 20:38:19,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-10-24 20:38:19,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 59 states have (on average 1.8305084745762712) internal successors, (108), 106 states have internal predecessors, (108), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 20:38:19,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 118 transitions. [2024-10-24 20:38:19,447 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 118 transitions. Word has length 3 [2024-10-24 20:38:19,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:19,447 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 118 transitions. [2024-10-24 20:38:19,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:38:19,447 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2024-10-24 20:38:19,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-24 20:38:19,448 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:19,448 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-24 20:38:19,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 20:38:19,448 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:19,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:19,449 INFO L85 PathProgramCache]: Analyzing trace with hash 184737, now seen corresponding path program 1 times [2024-10-24 20:38:19,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:19,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426559635] [2024-10-24 20:38:19,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:19,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:19,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:38:19,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:19,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426559635] [2024-10-24 20:38:19,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426559635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:19,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:19,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:38:19,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819764726] [2024-10-24 20:38:19,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:19,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:38:19,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:19,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:38:19,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:38:19,512 INFO L87 Difference]: Start difference. First operand 113 states and 118 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:38:19,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:19,569 INFO L93 Difference]: Finished difference Result 167 states and 173 transitions. [2024-10-24 20:38:19,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:38:19,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2024-10-24 20:38:19,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:19,572 INFO L225 Difference]: With dead ends: 167 [2024-10-24 20:38:19,572 INFO L226 Difference]: Without dead ends: 117 [2024-10-24 20:38:19,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:38:19,574 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 4 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:19,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 337 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:38:19,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-24 20:38:19,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-10-24 20:38:19,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 63 states have (on average 1.7777777777777777) internal successors, (112), 110 states have internal predecessors, (112), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 20:38:19,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 122 transitions. [2024-10-24 20:38:19,588 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 122 transitions. Word has length 3 [2024-10-24 20:38:19,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:19,588 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 122 transitions. [2024-10-24 20:38:19,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:38:19,589 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2024-10-24 20:38:19,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-24 20:38:19,589 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:19,589 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-24 20:38:19,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 20:38:19,589 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:19,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:19,590 INFO L85 PathProgramCache]: Analyzing trace with hash 1208573546, now seen corresponding path program 1 times [2024-10-24 20:38:19,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:19,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593058001] [2024-10-24 20:38:19,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:19,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:19,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 20:38:19,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:19,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593058001] [2024-10-24 20:38:19,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593058001] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:19,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:19,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 20:38:19,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200185757] [2024-10-24 20:38:19,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:19,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:38:19,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:19,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:38:19,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:19,630 INFO L87 Difference]: Start difference. First operand 117 states and 122 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:38:19,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:19,743 INFO L93 Difference]: Finished difference Result 211 states and 221 transitions. [2024-10-24 20:38:19,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:38:19,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-24 20:38:19,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:19,745 INFO L225 Difference]: With dead ends: 211 [2024-10-24 20:38:19,745 INFO L226 Difference]: Without dead ends: 191 [2024-10-24 20:38:19,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:19,746 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 68 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:19,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 179 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:19,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-24 20:38:19,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 156. [2024-10-24 20:38:19,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 98 states have (on average 1.6224489795918366) internal successors, (159), 145 states have internal predecessors, (159), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-24 20:38:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 177 transitions. [2024-10-24 20:38:19,757 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 177 transitions. Word has length 6 [2024-10-24 20:38:19,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:19,758 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 177 transitions. [2024-10-24 20:38:19,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:38:19,758 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 177 transitions. [2024-10-24 20:38:19,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-24 20:38:19,759 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:19,759 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:19,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 20:38:19,759 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:19,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:19,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1948900906, now seen corresponding path program 1 times [2024-10-24 20:38:19,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:19,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036726757] [2024-10-24 20:38:19,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:19,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:38:19,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1803945079] [2024-10-24 20:38:19,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:19,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:19,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:19,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:19,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 20:38:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:19,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:38:19,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:38:19,890 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:38:19,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:19,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036726757] [2024-10-24 20:38:19,891 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:38:19,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803945079] [2024-10-24 20:38:19,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803945079] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:19,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:19,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:38:19,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040739409] [2024-10-24 20:38:19,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:19,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:38:19,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:19,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:38:19,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:19,897 INFO L87 Difference]: Start difference. First operand 156 states and 177 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:19,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:19,992 INFO L93 Difference]: Finished difference Result 183 states and 205 transitions. [2024-10-24 20:38:19,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:38:19,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-10-24 20:38:19,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:19,994 INFO L225 Difference]: With dead ends: 183 [2024-10-24 20:38:19,994 INFO L226 Difference]: Without dead ends: 175 [2024-10-24 20:38:19,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:19,996 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 41 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:19,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 176 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:19,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-10-24 20:38:20,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 167. [2024-10-24 20:38:20,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 108 states have (on average 1.5740740740740742) internal successors, (170), 155 states have internal predecessors, (170), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:38:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 190 transitions. [2024-10-24 20:38:20,009 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 190 transitions. Word has length 27 [2024-10-24 20:38:20,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:20,009 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 190 transitions. [2024-10-24 20:38:20,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:20,010 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2024-10-24 20:38:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-24 20:38:20,010 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:20,010 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:20,028 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 20:38:20,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:20,211 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:20,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:20,212 INFO L85 PathProgramCache]: Analyzing trace with hash 286386016, now seen corresponding path program 1 times [2024-10-24 20:38:20,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:20,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100808406] [2024-10-24 20:38:20,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:20,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:20,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:20,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:20,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:38:20,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:20,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100808406] [2024-10-24 20:38:20,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100808406] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:20,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:20,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:38:20,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478816380] [2024-10-24 20:38:20,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:20,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:38:20,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:20,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:38:20,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:20,312 INFO L87 Difference]: Start difference. First operand 167 states and 190 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:20,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:20,420 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2024-10-24 20:38:20,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:38:20,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-10-24 20:38:20,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:20,422 INFO L225 Difference]: With dead ends: 183 [2024-10-24 20:38:20,422 INFO L226 Difference]: Without dead ends: 173 [2024-10-24 20:38:20,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:20,424 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 38 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:20,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 170 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:20,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-10-24 20:38:20,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-10-24 20:38:20,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 111 states have (on average 1.4954954954954955) internal successors, (166), 158 states have internal predecessors, (166), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:38:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 186 transitions. [2024-10-24 20:38:20,441 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 186 transitions. Word has length 28 [2024-10-24 20:38:20,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:20,442 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 186 transitions. [2024-10-24 20:38:20,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:20,442 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 186 transitions. [2024-10-24 20:38:20,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-24 20:38:20,442 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:20,443 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:20,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 20:38:20,443 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:20,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:20,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1920828334, now seen corresponding path program 1 times [2024-10-24 20:38:20,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:20,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849223694] [2024-10-24 20:38:20,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:20,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:20,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:20,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:20,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:20,560 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:38:20,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:20,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849223694] [2024-10-24 20:38:20,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849223694] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:20,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:20,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:38:20,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161928228] [2024-10-24 20:38:20,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:20,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:38:20,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:20,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:38:20,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:38:20,565 INFO L87 Difference]: Start difference. First operand 170 states and 186 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:20,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:20,662 INFO L93 Difference]: Finished difference Result 175 states and 191 transitions. [2024-10-24 20:38:20,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:38:20,662 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-10-24 20:38:20,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:20,663 INFO L225 Difference]: With dead ends: 175 [2024-10-24 20:38:20,663 INFO L226 Difference]: Without dead ends: 173 [2024-10-24 20:38:20,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:38:20,664 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 83 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:20,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 185 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:20,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-10-24 20:38:20,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-10-24 20:38:20,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 111 states have (on average 1.4774774774774775) internal successors, (164), 158 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:38:20,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 184 transitions. [2024-10-24 20:38:20,672 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 184 transitions. Word has length 31 [2024-10-24 20:38:20,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:20,672 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 184 transitions. [2024-10-24 20:38:20,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:20,672 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 184 transitions. [2024-10-24 20:38:20,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-10-24 20:38:20,673 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:20,673 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:20,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 20:38:20,673 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:20,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:20,674 INFO L85 PathProgramCache]: Analyzing trace with hash 733907250, now seen corresponding path program 1 times [2024-10-24 20:38:20,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:20,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923538164] [2024-10-24 20:38:20,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:20,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:20,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:20,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 20:38:20,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:20,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923538164] [2024-10-24 20:38:20,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923538164] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:20,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:20,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 20:38:20,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181753490] [2024-10-24 20:38:20,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:20,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 20:38:20,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:20,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 20:38:20,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:20,798 INFO L87 Difference]: Start difference. First operand 170 states and 184 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:20,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:20,880 INFO L93 Difference]: Finished difference Result 175 states and 185 transitions. [2024-10-24 20:38:20,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 20:38:20,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-10-24 20:38:20,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:20,882 INFO L225 Difference]: With dead ends: 175 [2024-10-24 20:38:20,882 INFO L226 Difference]: Without dead ends: 147 [2024-10-24 20:38:20,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 20:38:20,883 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 29 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:20,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 161 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:20,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-24 20:38:20,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-10-24 20:38:20,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 90 states have (on average 1.5444444444444445) internal successors, (139), 137 states have internal predecessors, (139), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:38:20,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 155 transitions. [2024-10-24 20:38:20,895 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 155 transitions. Word has length 35 [2024-10-24 20:38:20,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:20,896 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 155 transitions. [2024-10-24 20:38:20,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-24 20:38:20,896 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 155 transitions. [2024-10-24 20:38:20,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-24 20:38:20,896 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:20,896 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:20,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 20:38:20,897 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:20,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:20,897 INFO L85 PathProgramCache]: Analyzing trace with hash -132779018, now seen corresponding path program 1 times [2024-10-24 20:38:20,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:20,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898504294] [2024-10-24 20:38:20,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:20,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:20,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:20,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:20,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:20,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:38:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:20,994 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:20,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:20,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898504294] [2024-10-24 20:38:20,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898504294] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:20,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:20,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:38:20,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901939224] [2024-10-24 20:38:20,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:20,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:38:20,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:20,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:38:20,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:38:20,997 INFO L87 Difference]: Start difference. First operand 147 states and 155 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:21,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:21,099 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2024-10-24 20:38:21,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:38:21,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-10-24 20:38:21,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:21,101 INFO L225 Difference]: With dead ends: 150 [2024-10-24 20:38:21,102 INFO L226 Difference]: Without dead ends: 149 [2024-10-24 20:38:21,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:38:21,102 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 1 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:21,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 220 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:21,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-24 20:38:21,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2024-10-24 20:38:21,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 91 states have (on average 1.5384615384615385) internal successors, (140), 138 states have internal predecessors, (140), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:38:21,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2024-10-24 20:38:21,109 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 48 [2024-10-24 20:38:21,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:21,109 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2024-10-24 20:38:21,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:21,109 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2024-10-24 20:38:21,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-24 20:38:21,110 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:21,110 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:21,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 20:38:21,111 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:21,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:21,111 INFO L85 PathProgramCache]: Analyzing trace with hash 178817848, now seen corresponding path program 1 times [2024-10-24 20:38:21,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:21,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615647954] [2024-10-24 20:38:21,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:21,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:21,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:21,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:21,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:38:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:21,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:21,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615647954] [2024-10-24 20:38:21,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615647954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:21,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:21,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 20:38:21,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050871650] [2024-10-24 20:38:21,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:21,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:38:21,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:21,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:38:21,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:38:21,221 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:21,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:21,298 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2024-10-24 20:38:21,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:38:21,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-10-24 20:38:21,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:21,300 INFO L225 Difference]: With dead ends: 150 [2024-10-24 20:38:21,301 INFO L226 Difference]: Without dead ends: 149 [2024-10-24 20:38:21,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 20:38:21,301 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:21,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:21,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-10-24 20:38:21,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-10-24 20:38:21,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 92 states have (on average 1.5326086956521738) internal successors, (141), 139 states have internal predecessors, (141), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:38:21,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 157 transitions. [2024-10-24 20:38:21,310 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 157 transitions. Word has length 49 [2024-10-24 20:38:21,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:21,310 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 157 transitions. [2024-10-24 20:38:21,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:21,310 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2024-10-24 20:38:21,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-24 20:38:21,312 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:21,312 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:21,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 20:38:21,313 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:21,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:21,313 INFO L85 PathProgramCache]: Analyzing trace with hash 45261274, now seen corresponding path program 1 times [2024-10-24 20:38:21,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:21,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393236732] [2024-10-24 20:38:21,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:21,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:21,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:21,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:21,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:21,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:38:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:21,415 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:21,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:21,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393236732] [2024-10-24 20:38:21,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393236732] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:21,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279764567] [2024-10-24 20:38:21,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:21,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:21,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:21,418 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:21,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 20:38:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:21,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:38:21,469 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:21,594 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:38:21,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279764567] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:21,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:38:21,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-24 20:38:21,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263108530] [2024-10-24 20:38:21,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:21,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:38:21,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:21,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:38:21,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:38:21,597 INFO L87 Difference]: Start difference. First operand 149 states and 157 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:21,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:21,618 INFO L93 Difference]: Finished difference Result 149 states and 157 transitions. [2024-10-24 20:38:21,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:38:21,619 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-10-24 20:38:21,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:21,620 INFO L225 Difference]: With dead ends: 149 [2024-10-24 20:38:21,620 INFO L226 Difference]: Without dead ends: 148 [2024-10-24 20:38:21,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:38:21,620 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 79 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:21,621 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 220 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:38:21,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-10-24 20:38:21,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-10-24 20:38:21,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 92 states have (on average 1.5217391304347827) internal successors, (140), 138 states have internal predecessors, (140), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-10-24 20:38:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2024-10-24 20:38:21,626 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 51 [2024-10-24 20:38:21,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:21,626 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2024-10-24 20:38:21,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2024-10-24 20:38:21,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-24 20:38:21,627 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:21,627 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:21,640 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 20:38:21,831 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,SelfDestructingSolverStorable9 [2024-10-24 20:38:21,832 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:21,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:21,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1403099535, now seen corresponding path program 1 times [2024-10-24 20:38:21,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:21,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145196909] [2024-10-24 20:38:21,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:21,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:21,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:21,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:21,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:38:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:21,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:21,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145196909] [2024-10-24 20:38:21,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145196909] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:21,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317812945] [2024-10-24 20:38:21,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:21,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:21,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:21,937 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:21,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 20:38:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:21,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 20:38:21,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:22,058 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:22,058 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:38:22,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317812945] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:22,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:38:22,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-10-24 20:38:22,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135091933] [2024-10-24 20:38:22,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:22,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 20:38:22,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:22,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 20:38:22,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:38:22,060 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:22,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:22,103 INFO L93 Difference]: Finished difference Result 196 states and 204 transitions. [2024-10-24 20:38:22,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 20:38:22,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2024-10-24 20:38:22,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:22,104 INFO L225 Difference]: With dead ends: 196 [2024-10-24 20:38:22,104 INFO L226 Difference]: Without dead ends: 195 [2024-10-24 20:38:22,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:38:22,105 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 76 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 503 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:22,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 503 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 20:38:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-10-24 20:38:22,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2024-10-24 20:38:22,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 105 states have (on average 1.5333333333333334) internal successors, (161), 151 states have internal predecessors, (161), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:38:22,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 181 transitions. [2024-10-24 20:38:22,111 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 181 transitions. Word has length 52 [2024-10-24 20:38:22,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:22,111 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 181 transitions. [2024-10-24 20:38:22,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:22,112 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 181 transitions. [2024-10-24 20:38:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 20:38:22,113 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:22,113 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:22,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 20:38:22,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:22,314 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:22,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:22,314 INFO L85 PathProgramCache]: Analyzing trace with hash -241076335, now seen corresponding path program 1 times [2024-10-24 20:38:22,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:22,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292105119] [2024-10-24 20:38:22,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:22,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:22,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:22,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:22,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:38:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:22,355 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:22,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:22,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292105119] [2024-10-24 20:38:22,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292105119] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:22,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842874932] [2024-10-24 20:38:22,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:22,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:22,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:22,358 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:22,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 20:38:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:22,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:38:22,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:22,453 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:22,453 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:38:22,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842874932] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:22,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:38:22,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-24 20:38:22,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778021738] [2024-10-24 20:38:22,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:22,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 20:38:22,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:22,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 20:38:22,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:38:22,455 INFO L87 Difference]: Start difference. First operand 163 states and 181 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:22,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:22,524 INFO L93 Difference]: Finished difference Result 163 states and 181 transitions. [2024-10-24 20:38:22,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 20:38:22,525 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 54 [2024-10-24 20:38:22,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:22,528 INFO L225 Difference]: With dead ends: 163 [2024-10-24 20:38:22,528 INFO L226 Difference]: Without dead ends: 154 [2024-10-24 20:38:22,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 20:38:22,528 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 73 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:22,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 135 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:22,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-10-24 20:38:22,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-10-24 20:38:22,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 105 states have (on average 1.4095238095238096) internal successors, (148), 142 states have internal predecessors, (148), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:38:22,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 168 transitions. [2024-10-24 20:38:22,535 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 168 transitions. Word has length 54 [2024-10-24 20:38:22,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:22,535 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 168 transitions. [2024-10-24 20:38:22,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 20:38:22,535 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 168 transitions. [2024-10-24 20:38:22,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-24 20:38:22,537 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:22,537 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:22,549 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 20:38:22,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:22,738 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:22,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:22,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1116568257, now seen corresponding path program 1 times [2024-10-24 20:38:22,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:22,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108534410] [2024-10-24 20:38:22,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:22,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:22,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:22,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:22,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:38:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:22,775 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:22,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:22,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108534410] [2024-10-24 20:38:22,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108534410] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:22,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1071184403] [2024-10-24 20:38:22,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:22,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:22,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:22,777 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:22,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 20:38:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:22,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 20:38:22,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:22,851 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:22,851 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:22,912 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 20:38:22,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1071184403] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:22,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:38:22,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-24 20:38:22,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891433824] [2024-10-24 20:38:22,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:22,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 20:38:22,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:22,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 20:38:22,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:38:22,914 INFO L87 Difference]: Start difference. First operand 154 states and 168 transitions. Second operand has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:38:23,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:23,050 INFO L93 Difference]: Finished difference Result 278 states and 329 transitions. [2024-10-24 20:38:23,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:38:23,051 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 55 [2024-10-24 20:38:23,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:23,052 INFO L225 Difference]: With dead ends: 278 [2024-10-24 20:38:23,052 INFO L226 Difference]: Without dead ends: 269 [2024-10-24 20:38:23,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:38:23,053 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 284 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:23,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 270 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:23,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-10-24 20:38:23,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 145. [2024-10-24 20:38:23,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 133 states have internal predecessors, (135), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-24 20:38:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 155 transitions. [2024-10-24 20:38:23,059 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 155 transitions. Word has length 55 [2024-10-24 20:38:23,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:23,059 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 155 transitions. [2024-10-24 20:38:23,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.833333333333332) internal successors, (113), 7 states have internal predecessors, (113), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-10-24 20:38:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 155 transitions. [2024-10-24 20:38:23,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 20:38:23,060 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:23,060 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:23,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 20:38:23,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-24 20:38:23,261 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:23,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:23,261 INFO L85 PathProgramCache]: Analyzing trace with hash -630108129, now seen corresponding path program 1 times [2024-10-24 20:38:23,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:23,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336543396] [2024-10-24 20:38:23,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:23,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:38:23,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [457185749] [2024-10-24 20:38:23,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:23,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:23,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:23,274 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:23,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 20:38:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:23,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:38:23,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:38:23,362 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:23,464 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 20:38:23,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:23,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336543396] [2024-10-24 20:38:23,464 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:38:23,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457185749] [2024-10-24 20:38:23,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457185749] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:23,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:38:23,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-24 20:38:23,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845650790] [2024-10-24 20:38:23,465 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:23,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:38:23,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:23,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:38:23,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:38:23,467 INFO L87 Difference]: Start difference. First operand 145 states and 155 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-24 20:38:23,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:23,613 INFO L93 Difference]: Finished difference Result 369 states and 404 transitions. [2024-10-24 20:38:23,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:38:23,614 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 68 [2024-10-24 20:38:23,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:23,615 INFO L225 Difference]: With dead ends: 369 [2024-10-24 20:38:23,615 INFO L226 Difference]: Without dead ends: 367 [2024-10-24 20:38:23,616 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:38:23,616 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 286 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:23,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 315 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:23,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-10-24 20:38:23,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 243. [2024-10-24 20:38:23,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 195 states have (on average 1.3282051282051281) internal successors, (259), 223 states have internal predecessors, (259), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 20:38:23,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 295 transitions. [2024-10-24 20:38:23,626 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 295 transitions. Word has length 68 [2024-10-24 20:38:23,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:23,626 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 295 transitions. [2024-10-24 20:38:23,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-24 20:38:23,627 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 295 transitions. [2024-10-24 20:38:23,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-24 20:38:23,627 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:23,628 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:23,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 20:38:23,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:23,829 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:23,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:23,829 INFO L85 PathProgramCache]: Analyzing trace with hash -953494685, now seen corresponding path program 1 times [2024-10-24 20:38:23,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:23,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098083698] [2024-10-24 20:38:23,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:23,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:38:23,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1407970586] [2024-10-24 20:38:23,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:23,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:23,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:23,847 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:23,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 20:38:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:23,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:38:23,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:23,951 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:24,066 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:24,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:24,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098083698] [2024-10-24 20:38:24,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:38:24,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407970586] [2024-10-24 20:38:24,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407970586] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:24,067 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:38:24,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-24 20:38:24,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724412241] [2024-10-24 20:38:24,067 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:24,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:38:24,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:24,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:38:24,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 20:38:24,068 INFO L87 Difference]: Start difference. First operand 243 states and 295 transitions. Second operand has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 20:38:24,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:24,246 INFO L93 Difference]: Finished difference Result 331 states and 405 transitions. [2024-10-24 20:38:24,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:38:24,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 75 [2024-10-24 20:38:24,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:24,248 INFO L225 Difference]: With dead ends: 331 [2024-10-24 20:38:24,248 INFO L226 Difference]: Without dead ends: 323 [2024-10-24 20:38:24,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-24 20:38:24,249 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 197 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:24,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 245 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:38:24,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-10-24 20:38:24,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 243. [2024-10-24 20:38:24,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 199 states have (on average 1.2412060301507537) internal successors, (247), 221 states have internal predecessors, (247), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 20:38:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 287 transitions. [2024-10-24 20:38:24,260 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 287 transitions. Word has length 75 [2024-10-24 20:38:24,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:24,260 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 287 transitions. [2024-10-24 20:38:24,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-10-24 20:38:24,260 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 287 transitions. [2024-10-24 20:38:24,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-10-24 20:38:24,261 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:24,261 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:24,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-24 20:38:24,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:24,466 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:24,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:24,466 INFO L85 PathProgramCache]: Analyzing trace with hash 506435911, now seen corresponding path program 1 times [2024-10-24 20:38:24,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:24,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317807180] [2024-10-24 20:38:24,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:24,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:24,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:24,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:24,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:38:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:24,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 20:38:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:24,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 20:38:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:24,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:24,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317807180] [2024-10-24 20:38:24,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317807180] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:24,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769435703] [2024-10-24 20:38:24,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:24,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:24,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:24,544 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:24,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 20:38:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:24,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:38:24,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:24,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:24,803 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:24,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769435703] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:24,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:38:24,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-24 20:38:24,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208989883] [2024-10-24 20:38:24,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:24,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:38:24,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:24,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:38:24,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:38:24,805 INFO L87 Difference]: Start difference. First operand 243 states and 287 transitions. Second operand has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-24 20:38:24,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:24,961 INFO L93 Difference]: Finished difference Result 243 states and 287 transitions. [2024-10-24 20:38:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:38:24,962 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 76 [2024-10-24 20:38:24,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:24,964 INFO L225 Difference]: With dead ends: 243 [2024-10-24 20:38:24,964 INFO L226 Difference]: Without dead ends: 240 [2024-10-24 20:38:24,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:38:24,965 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 148 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:24,965 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 214 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:24,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-10-24 20:38:24,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2024-10-24 20:38:24,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 199 states have (on average 1.2060301507537687) internal successors, (240), 218 states have internal predecessors, (240), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-24 20:38:24,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 280 transitions. [2024-10-24 20:38:24,976 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 280 transitions. Word has length 76 [2024-10-24 20:38:24,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:24,977 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 280 transitions. [2024-10-24 20:38:24,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-24 20:38:24,977 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 280 transitions. [2024-10-24 20:38:24,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-10-24 20:38:24,978 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:24,978 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:24,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-24 20:38:25,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-24 20:38:25,182 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:25,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:25,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1480355867, now seen corresponding path program 1 times [2024-10-24 20:38:25,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:25,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323323653] [2024-10-24 20:38:25,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:25,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:25,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:25,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:25,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:38:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:25,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 20:38:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:25,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 20:38:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:25,266 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:25,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:25,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323323653] [2024-10-24 20:38:25,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323323653] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:25,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964758586] [2024-10-24 20:38:25,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:25,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:25,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:25,268 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:25,269 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 20:38:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:25,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:38:25,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:25,422 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:25,422 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:25,516 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:25,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964758586] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:25,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:38:25,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-24 20:38:25,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356636793] [2024-10-24 20:38:25,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:25,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 20:38:25,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:25,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 20:38:25,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:38:25,519 INFO L87 Difference]: Start difference. First operand 240 states and 280 transitions. Second operand has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-24 20:38:25,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:25,695 INFO L93 Difference]: Finished difference Result 295 states and 345 transitions. [2024-10-24 20:38:25,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 20:38:25,696 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 77 [2024-10-24 20:38:25,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:25,697 INFO L225 Difference]: With dead ends: 295 [2024-10-24 20:38:25,697 INFO L226 Difference]: Without dead ends: 286 [2024-10-24 20:38:25,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:38:25,697 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 160 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:25,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 239 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:25,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-10-24 20:38:25,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 250. [2024-10-24 20:38:25,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 213 states have (on average 1.1220657276995305) internal successors, (239), 226 states have internal predecessors, (239), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-24 20:38:25,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 283 transitions. [2024-10-24 20:38:25,708 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 283 transitions. Word has length 77 [2024-10-24 20:38:25,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:25,708 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 283 transitions. [2024-10-24 20:38:25,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-10-24 20:38:25,709 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 283 transitions. [2024-10-24 20:38:25,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-10-24 20:38:25,709 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:25,709 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:25,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-10-24 20:38:25,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-24 20:38:25,914 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:25,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:25,914 INFO L85 PathProgramCache]: Analyzing trace with hash -987810713, now seen corresponding path program 1 times [2024-10-24 20:38:25,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:25,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354275216] [2024-10-24 20:38:25,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:25,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:25,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:25,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:25,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:38:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:25,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 20:38:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:25,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 20:38:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:25,989 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:25,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:25,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354275216] [2024-10-24 20:38:25,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354275216] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:25,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699407391] [2024-10-24 20:38:25,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:25,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:25,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:25,991 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:25,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 20:38:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:26,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 20:38:26,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:26,193 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-24 20:38:26,193 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:38:26,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699407391] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:26,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:38:26,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-10-24 20:38:26,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12953809] [2024-10-24 20:38:26,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:26,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 20:38:26,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:26,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 20:38:26,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:38:26,194 INFO L87 Difference]: Start difference. First operand 250 states and 283 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:38:26,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:26,301 INFO L93 Difference]: Finished difference Result 252 states and 285 transitions. [2024-10-24 20:38:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 20:38:26,301 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 79 [2024-10-24 20:38:26,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:26,303 INFO L225 Difference]: With dead ends: 252 [2024-10-24 20:38:26,303 INFO L226 Difference]: Without dead ends: 208 [2024-10-24 20:38:26,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-24 20:38:26,304 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 74 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:26,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 163 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:26,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-24 20:38:26,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2024-10-24 20:38:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 181 states have (on average 1.0497237569060773) internal successors, (190), 187 states have internal predecessors, (190), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-24 20:38:26,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 226 transitions. [2024-10-24 20:38:26,313 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 226 transitions. Word has length 79 [2024-10-24 20:38:26,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:26,313 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 226 transitions. [2024-10-24 20:38:26,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:38:26,314 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 226 transitions. [2024-10-24 20:38:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-24 20:38:26,315 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:26,315 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1] [2024-10-24 20:38:26,328 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-24 20:38:26,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-24 20:38:26,516 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:26,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:26,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1800995286, now seen corresponding path program 1 times [2024-10-24 20:38:26,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:26,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309289953] [2024-10-24 20:38:26,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:26,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:26,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:26,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:26,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:38:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:26,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 20:38:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:26,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 20:38:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:26,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:38:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:26,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 20:38:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:26,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 20:38:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:26,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 20:38:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:26,668 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:38:26,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:26,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309289953] [2024-10-24 20:38:26,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309289953] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:26,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612976932] [2024-10-24 20:38:26,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:26,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:26,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:26,670 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:26,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 20:38:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:26,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 20:38:26,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:38:26,998 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:27,206 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-24 20:38:27,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612976932] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:27,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:38:27,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-10-24 20:38:27,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989230305] [2024-10-24 20:38:27,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:27,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-10-24 20:38:27,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:27,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-10-24 20:38:27,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-10-24 20:38:27,209 INFO L87 Difference]: Start difference. First operand 208 states and 226 transitions. Second operand has 20 states, 19 states have (on average 15.947368421052632) internal successors, (303), 20 states have internal predecessors, (303), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-24 20:38:27,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:27,473 INFO L93 Difference]: Finished difference Result 337 states and 377 transitions. [2024-10-24 20:38:27,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-24 20:38:27,474 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 15.947368421052632) internal successors, (303), 20 states have internal predecessors, (303), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 145 [2024-10-24 20:38:27,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:27,475 INFO L225 Difference]: With dead ends: 337 [2024-10-24 20:38:27,475 INFO L226 Difference]: Without dead ends: 336 [2024-10-24 20:38:27,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-10-24 20:38:27,476 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 183 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:27,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 273 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:38:27,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-24 20:38:27,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 298. [2024-10-24 20:38:27,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 264 states have (on average 1.0643939393939394) internal successors, (281), 270 states have internal predecessors, (281), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-24 20:38:27,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 331 transitions. [2024-10-24 20:38:27,488 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 331 transitions. Word has length 145 [2024-10-24 20:38:27,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:27,488 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 331 transitions. [2024-10-24 20:38:27,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 15.947368421052632) internal successors, (303), 20 states have internal predecessors, (303), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-10-24 20:38:27,488 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 331 transitions. [2024-10-24 20:38:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-10-24 20:38:27,489 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:27,490 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2024-10-24 20:38:27,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-24 20:38:27,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:27,690 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:27,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:27,691 INFO L85 PathProgramCache]: Analyzing trace with hash 168362967, now seen corresponding path program 2 times [2024-10-24 20:38:27,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:27,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261332509] [2024-10-24 20:38:27,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:27,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:27,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:27,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:27,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:38:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:27,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 20:38:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:27,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 20:38:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:27,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:38:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:27,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 20:38:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:27,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 20:38:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:27,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 20:38:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:27,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 20:38:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:27,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 20:38:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-24 20:38:27,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:27,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261332509] [2024-10-24 20:38:27,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261332509] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:27,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505725587] [2024-10-24 20:38:27,882 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:38:27,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:27,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:27,883 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:27,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 20:38:27,933 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:38:27,934 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:38:27,935 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 20:38:27,936 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:28,229 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-24 20:38:28,229 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-24 20:38:28,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505725587] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:28,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:38:28,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-10-24 20:38:28,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921144666] [2024-10-24 20:38:28,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:28,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-10-24 20:38:28,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:28,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-10-24 20:38:28,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-10-24 20:38:28,459 INFO L87 Difference]: Start difference. First operand 298 states and 331 transitions. Second operand has 22 states, 21 states have (on average 16.142857142857142) internal successors, (339), 22 states have internal predecessors, (339), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-10-24 20:38:28,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:28,842 INFO L93 Difference]: Finished difference Result 378 states and 419 transitions. [2024-10-24 20:38:28,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-24 20:38:28,842 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.142857142857142) internal successors, (339), 22 states have internal predecessors, (339), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 173 [2024-10-24 20:38:28,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:28,844 INFO L225 Difference]: With dead ends: 378 [2024-10-24 20:38:28,844 INFO L226 Difference]: Without dead ends: 354 [2024-10-24 20:38:28,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 381 GetRequests, 353 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2024-10-24 20:38:28,846 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 223 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:28,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 454 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 20:38:28,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-10-24 20:38:28,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 318. [2024-10-24 20:38:28,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 282 states have (on average 1.0602836879432624) internal successors, (299), 288 states have internal predecessors, (299), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-24 20:38:28,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 353 transitions. [2024-10-24 20:38:28,863 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 353 transitions. Word has length 173 [2024-10-24 20:38:28,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:28,864 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 353 transitions. [2024-10-24 20:38:28,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.142857142857142) internal successors, (339), 22 states have internal predecessors, (339), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-10-24 20:38:28,864 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 353 transitions. [2024-10-24 20:38:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-10-24 20:38:28,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:28,866 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2024-10-24 20:38:28,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-24 20:38:29,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:29,071 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:29,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:29,071 INFO L85 PathProgramCache]: Analyzing trace with hash -2140295468, now seen corresponding path program 2 times [2024-10-24 20:38:29,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:29,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412335818] [2024-10-24 20:38:29,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:29,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:38:29,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [178922302] [2024-10-24 20:38:29,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:38:29,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:29,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:29,099 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:29,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 20:38:29,163 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:38:29,163 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:38:29,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 20:38:29,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:29,328 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 20:38:29,328 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-24 20:38:29,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:29,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412335818] [2024-10-24 20:38:29,611 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:38:29,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178922302] [2024-10-24 20:38:29,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178922302] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:29,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:38:29,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-24 20:38:29,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223945698] [2024-10-24 20:38:29,611 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:29,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:38:29,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:29,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:38:29,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:38:29,613 INFO L87 Difference]: Start difference. First operand 318 states and 353 transitions. Second operand has 12 states, 11 states have (on average 27.0) internal successors, (297), 12 states have internal predecessors, (297), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-10-24 20:38:30,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:30,067 INFO L93 Difference]: Finished difference Result 511 states and 564 transitions. [2024-10-24 20:38:30,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 20:38:30,068 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.0) internal successors, (297), 12 states have internal predecessors, (297), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 212 [2024-10-24 20:38:30,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:30,069 INFO L225 Difference]: With dead ends: 511 [2024-10-24 20:38:30,069 INFO L226 Difference]: Without dead ends: 509 [2024-10-24 20:38:30,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:38:30,070 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 433 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:30,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 805 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 20:38:30,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2024-10-24 20:38:30,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 432. [2024-10-24 20:38:30,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 387 states have (on average 1.0594315245478036) internal successors, (410), 393 states have internal predecessors, (410), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-24 20:38:30,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 482 transitions. [2024-10-24 20:38:30,107 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 482 transitions. Word has length 212 [2024-10-24 20:38:30,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:30,107 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 482 transitions. [2024-10-24 20:38:30,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.0) internal successors, (297), 12 states have internal predecessors, (297), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-10-24 20:38:30,108 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 482 transitions. [2024-10-24 20:38:30,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-10-24 20:38:30,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:30,109 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2024-10-24 20:38:30,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-24 20:38:30,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-24 20:38:30,314 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:30,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:30,314 INFO L85 PathProgramCache]: Analyzing trace with hash -832737522, now seen corresponding path program 2 times [2024-10-24 20:38:30,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:30,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204771686] [2024-10-24 20:38:30,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:30,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:38:30,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1458570329] [2024-10-24 20:38:30,336 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:38:30,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:30,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:30,338 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:30,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 20:38:30,430 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:38:30,430 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:38:30,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 20:38:30,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:30,602 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-24 20:38:30,602 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:30,863 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-24 20:38:30,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:30,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204771686] [2024-10-24 20:38:30,863 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:38:30,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458570329] [2024-10-24 20:38:30,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458570329] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:30,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:38:30,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-10-24 20:38:30,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907574737] [2024-10-24 20:38:30,863 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:30,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-24 20:38:30,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:30,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-24 20:38:30,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-10-24 20:38:30,864 INFO L87 Difference]: Start difference. First operand 432 states and 482 transitions. Second operand has 12 states, 11 states have (on average 27.363636363636363) internal successors, (301), 12 states have internal predecessors, (301), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-10-24 20:38:31,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:31,239 INFO L93 Difference]: Finished difference Result 504 states and 562 transitions. [2024-10-24 20:38:31,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-24 20:38:31,240 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.363636363636363) internal successors, (301), 12 states have internal predecessors, (301), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 219 [2024-10-24 20:38:31,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:31,242 INFO L225 Difference]: With dead ends: 504 [2024-10-24 20:38:31,242 INFO L226 Difference]: Without dead ends: 460 [2024-10-24 20:38:31,242 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-10-24 20:38:31,243 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 308 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:31,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 906 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:38:31,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-10-24 20:38:31,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 424. [2024-10-24 20:38:31,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 379 states have (on average 1.0395778364116095) internal successors, (394), 385 states have internal predecessors, (394), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-24 20:38:31,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 466 transitions. [2024-10-24 20:38:31,259 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 466 transitions. Word has length 219 [2024-10-24 20:38:31,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:31,260 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 466 transitions. [2024-10-24 20:38:31,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.363636363636363) internal successors, (301), 12 states have internal predecessors, (301), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-10-24 20:38:31,260 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 466 transitions. [2024-10-24 20:38:31,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-10-24 20:38:31,262 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:31,263 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1] [2024-10-24 20:38:31,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-10-24 20:38:31,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:31,466 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:31,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:31,467 INFO L85 PathProgramCache]: Analyzing trace with hash -842441714, now seen corresponding path program 2 times [2024-10-24 20:38:31,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:31,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893761612] [2024-10-24 20:38:31,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:31,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:31,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:31,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:31,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:31,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:38:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:31,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 20:38:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:31,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 20:38:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:31,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:38:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:31,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 20:38:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:31,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 20:38:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:31,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 20:38:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:31,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 20:38:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:31,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 20:38:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:31,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 20:38:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:31,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 20:38:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:31,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 20:38:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:32,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 20:38:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:32,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 20:38:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:32,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 20:38:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:32,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-24 20:38:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:32,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 20:38:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:32,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 20:38:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:32,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 20:38:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:32,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-24 20:38:32,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:32,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893761612] [2024-10-24 20:38:32,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893761612] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:32,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107458889] [2024-10-24 20:38:32,019 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 20:38:32,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:32,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:32,021 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:32,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-24 20:38:32,096 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 20:38:32,096 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:38:32,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 20:38:32,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-10-24 20:38:32,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-10-24 20:38:32,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107458889] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 20:38:32,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 20:38:32,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 23 [2024-10-24 20:38:32,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025380449] [2024-10-24 20:38:32,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:32,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-24 20:38:32,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:32,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-24 20:38:32,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2024-10-24 20:38:32,745 INFO L87 Difference]: Start difference. First operand 424 states and 466 transitions. Second operand has 24 states, 23 states have (on average 14.217391304347826) internal successors, (327), 24 states have internal predecessors, (327), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-10-24 20:38:33,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:33,788 INFO L93 Difference]: Finished difference Result 440 states and 484 transitions. [2024-10-24 20:38:33,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-10-24 20:38:33,789 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.217391304347826) internal successors, (327), 24 states have internal predecessors, (327), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 337 [2024-10-24 20:38:33,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:33,791 INFO L225 Difference]: With dead ends: 440 [2024-10-24 20:38:33,792 INFO L226 Difference]: Without dead ends: 439 [2024-10-24 20:38:33,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 762 GetRequests, 706 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=511, Invalid=2795, Unknown=0, NotChecked=0, Total=3306 [2024-10-24 20:38:33,793 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 418 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 1674 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 1964 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:33,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 1964 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1674 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-24 20:38:33,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2024-10-24 20:38:33,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 423. [2024-10-24 20:38:33,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 379 states have (on average 1.029023746701847) internal successors, (390), 384 states have internal predecessors, (390), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-24 20:38:33,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 462 transitions. [2024-10-24 20:38:33,824 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 462 transitions. Word has length 337 [2024-10-24 20:38:33,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:33,825 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 462 transitions. [2024-10-24 20:38:33,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.217391304347826) internal successors, (327), 24 states have internal predecessors, (327), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-10-24 20:38:33,825 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 462 transitions. [2024-10-24 20:38:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2024-10-24 20:38:33,828 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:33,828 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1] [2024-10-24 20:38:33,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-24 20:38:34,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:34,030 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:34,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:34,030 INFO L85 PathProgramCache]: Analyzing trace with hash -313171013, now seen corresponding path program 3 times [2024-10-24 20:38:34,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:34,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788720699] [2024-10-24 20:38:34,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:34,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-24 20:38:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-24 20:38:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 20:38:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-24 20:38:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-24 20:38:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-24 20:38:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-24 20:38:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-24 20:38:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-24 20:38:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 20:38:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 20:38:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 20:38:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-24 20:38:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-24 20:38:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-24 20:38:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-24 20:38:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-24 20:38:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-10-24 20:38:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2024-10-24 20:38:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-10-24 20:38:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2024-10-24 20:38:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-10-24 20:38:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2024-10-24 20:38:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 20:38:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 896 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-10-24 20:38:34,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:34,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788720699] [2024-10-24 20:38:34,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788720699] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:34,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147579183] [2024-10-24 20:38:34,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:38:34,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:34,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:34,500 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:34,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-24 20:38:34,547 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 20:38:34,547 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:38:34,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-24 20:38:34,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:34,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 126 proven. 176 refuted. 0 times theorem prover too weak. 1606 trivial. 0 not checked. [2024-10-24 20:38:34,961 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:35,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147579183] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:35,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 20:38:35,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 23 [2024-10-24 20:38:35,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608663072] [2024-10-24 20:38:35,512 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:35,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-24 20:38:35,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:35,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-24 20:38:35,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=763, Unknown=0, NotChecked=0, Total=870 [2024-10-24 20:38:35,515 INFO L87 Difference]: Start difference. First operand 423 states and 462 transitions. Second operand has 24 states, 23 states have (on average 13.695652173913043) internal successors, (315), 24 states have internal predecessors, (315), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-10-24 20:38:38,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:38,812 INFO L93 Difference]: Finished difference Result 425 states and 464 transitions. [2024-10-24 20:38:38,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-10-24 20:38:38,812 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 13.695652173913043) internal successors, (315), 24 states have internal predecessors, (315), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 365 [2024-10-24 20:38:38,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:38,814 INFO L225 Difference]: With dead ends: 425 [2024-10-24 20:38:38,814 INFO L226 Difference]: Without dead ends: 407 [2024-10-24 20:38:38,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=964, Invalid=4586, Unknown=0, NotChecked=0, Total=5550 [2024-10-24 20:38:38,815 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 551 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 3063 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 3150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 3063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:38,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1274 Invalid, 3150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 3063 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-10-24 20:38:38,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-10-24 20:38:38,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 405. [2024-10-24 20:38:38,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 365 states have (on average 1.010958904109589) internal successors, (369), 368 states have internal predecessors, (369), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 20:38:38,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 437 transitions. [2024-10-24 20:38:38,833 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 437 transitions. Word has length 365 [2024-10-24 20:38:38,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:38,834 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 437 transitions. [2024-10-24 20:38:38,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 13.695652173913043) internal successors, (315), 24 states have internal predecessors, (315), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-10-24 20:38:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 437 transitions. [2024-10-24 20:38:38,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2024-10-24 20:38:38,839 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:38,839 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1] [2024-10-24 20:38:38,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-10-24 20:38:39,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-24 20:38:39,040 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:39,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:39,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1293114942, now seen corresponding path program 3 times [2024-10-24 20:38:39,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:39,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560637403] [2024-10-24 20:38:39,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:39,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:38:39,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1474507080] [2024-10-24 20:38:39,102 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:38:39,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:39,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:39,103 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:39,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-24 20:38:39,156 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-24 20:38:39,157 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:38:39,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-24 20:38:39,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2024-10-24 20:38:39,328 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 20:38:39,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:39,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560637403] [2024-10-24 20:38:39,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:38:39,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474507080] [2024-10-24 20:38:39,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474507080] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 20:38:39,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 20:38:39,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-24 20:38:39,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219520296] [2024-10-24 20:38:39,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 20:38:39,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 20:38:39,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:39,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 20:38:39,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-24 20:38:39,330 INFO L87 Difference]: Start difference. First operand 405 states and 437 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:38:39,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:39,750 INFO L93 Difference]: Finished difference Result 407 states and 439 transitions. [2024-10-24 20:38:39,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 20:38:39,751 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 500 [2024-10-24 20:38:39,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:39,753 INFO L225 Difference]: With dead ends: 407 [2024-10-24 20:38:39,753 INFO L226 Difference]: Without dead ends: 405 [2024-10-24 20:38:39,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-24 20:38:39,753 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 113 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:39,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 77 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 20:38:39,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-10-24 20:38:39,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 403. [2024-10-24 20:38:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 365 states have (on average 1.0054794520547945) internal successors, (367), 366 states have internal predecessors, (367), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-24 20:38:39,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 435 transitions. [2024-10-24 20:38:39,780 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 435 transitions. Word has length 500 [2024-10-24 20:38:39,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:39,780 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 435 transitions. [2024-10-24 20:38:39,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-10-24 20:38:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 435 transitions. [2024-10-24 20:38:39,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2024-10-24 20:38:39,782 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 20:38:39,783 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1] [2024-10-24 20:38:39,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-10-24 20:38:39,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:39,983 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-10-24 20:38:39,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 20:38:39,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1593930852, now seen corresponding path program 3 times [2024-10-24 20:38:39,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 20:38:39,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879160791] [2024-10-24 20:38:39,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 20:38:39,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 20:38:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-24 20:38:40,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1269460626] [2024-10-24 20:38:40,032 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-24 20:38:40,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:40,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 20:38:40,034 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 20:38:40,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-24 20:38:40,116 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-24 20:38:40,116 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 20:38:40,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-24 20:38:40,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 20:38:40,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 180 proven. 234 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2024-10-24 20:38:40,474 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 20:38:49,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 20:38:49,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879160791] [2024-10-24 20:38:49,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-24 20:38:49,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269460626] [2024-10-24 20:38:49,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269460626] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 20:38:49,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-24 20:38:49,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-24 20:38:49,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418236708] [2024-10-24 20:38:49,079 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-24 20:38:49,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 20:38:49,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 20:38:49,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 20:38:49,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=192, Unknown=1, NotChecked=0, Total=240 [2024-10-24 20:38:49,080 INFO L87 Difference]: Start difference. First operand 403 states and 435 transitions. Second operand has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-24 20:38:49,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 20:38:49,414 INFO L93 Difference]: Finished difference Result 405 states and 437 transitions. [2024-10-24 20:38:49,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 20:38:49,415 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 507 [2024-10-24 20:38:49,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 20:38:49,415 INFO L225 Difference]: With dead ends: 405 [2024-10-24 20:38:49,415 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 20:38:49,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 526 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=124, Invalid=381, Unknown=1, NotChecked=0, Total=506 [2024-10-24 20:38:49,417 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 165 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 20:38:49,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 89 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 20:38:49,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 20:38:49,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 20:38:49,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 20:38:49,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 20:38:49,421 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 507 [2024-10-24 20:38:49,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 20:38:49,421 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 20:38:49,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-10-24 20:38:49,421 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 20:38:49,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 20:38:49,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2024-10-24 20:38:49,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2024-10-24 20:38:49,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2024-10-24 20:38:49,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2024-10-24 20:38:49,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2024-10-24 20:38:49,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2024-10-24 20:38:49,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2024-10-24 20:38:49,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2024-10-24 20:38:49,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2024-10-24 20:38:49,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2024-10-24 20:38:49,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2024-10-24 20:38:49,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2024-10-24 20:38:49,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2024-10-24 20:38:49,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2024-10-24 20:38:49,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2024-10-24 20:38:49,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2024-10-24 20:38:49,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2024-10-24 20:38:49,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2024-10-24 20:38:49,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2024-10-24 20:38:49,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2024-10-24 20:38:49,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2024-10-24 20:38:49,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2024-10-24 20:38:49,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2024-10-24 20:38:49,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2024-10-24 20:38:49,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2024-10-24 20:38:49,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2024-10-24 20:38:49,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 52 remaining) [2024-10-24 20:38:49,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 52 remaining) [2024-10-24 20:38:49,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2024-10-24 20:38:49,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2024-10-24 20:38:49,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2024-10-24 20:38:49,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2024-10-24 20:38:49,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2024-10-24 20:38:49,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2024-10-24 20:38:49,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2024-10-24 20:38:49,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2024-10-24 20:38:49,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2024-10-24 20:38:49,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2024-10-24 20:38:49,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2024-10-24 20:38:49,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2024-10-24 20:38:49,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2024-10-24 20:38:49,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2024-10-24 20:38:49,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2024-10-24 20:38:49,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2024-10-24 20:38:49,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2024-10-24 20:38:49,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2024-10-24 20:38:49,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2024-10-24 20:38:49,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2024-10-24 20:38:49,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2024-10-24 20:38:49,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2024-10-24 20:38:49,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2024-10-24 20:38:49,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2024-10-24 20:38:49,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-24 20:38:49,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 20:38:49,631 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 20:38:49,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 20:38:52,604 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 20:38:52,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 08:38:52 BoogieIcfgContainer [2024-10-24 20:38:52,630 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 20:38:52,630 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 20:38:52,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 20:38:52,630 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 20:38:52,631 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 08:38:19" (3/4) ... [2024-10-24 20:38:52,632 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 20:38:52,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-24 20:38:52,640 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-24 20:38:52,640 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-24 20:38:52,640 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 20:38:52,640 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 20:38:52,715 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 20:38:52,715 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 20:38:52,715 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 20:38:52,716 INFO L158 Benchmark]: Toolchain (without parser) took 34384.19ms. Allocated memory was 165.7MB in the beginning and 369.1MB in the end (delta: 203.4MB). Free memory was 96.6MB in the beginning and 166.5MB in the end (delta: -69.8MB). Peak memory consumption was 135.5MB. Max. memory is 16.1GB. [2024-10-24 20:38:52,716 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 165.7MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 20:38:52,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.23ms. Allocated memory is still 165.7MB. Free memory was 96.3MB in the beginning and 83.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-24 20:38:52,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.33ms. Allocated memory is still 165.7MB. Free memory was 83.3MB in the beginning and 81.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 20:38:52,716 INFO L158 Benchmark]: Boogie Preprocessor took 32.82ms. Allocated memory is still 165.7MB. Free memory was 81.5MB in the beginning and 79.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 20:38:52,717 INFO L158 Benchmark]: RCFGBuilder took 515.02ms. Allocated memory is still 165.7MB. Free memory was 79.7MB in the beginning and 119.3MB in the end (delta: -39.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-10-24 20:38:52,718 INFO L158 Benchmark]: TraceAbstraction took 33474.76ms. Allocated memory was 165.7MB in the beginning and 369.1MB in the end (delta: 203.4MB). Free memory was 118.0MB in the beginning and 171.7MB in the end (delta: -53.7MB). Peak memory consumption was 208.8MB. Max. memory is 16.1GB. [2024-10-24 20:38:52,718 INFO L158 Benchmark]: Witness Printer took 85.22ms. Allocated memory is still 369.1MB. Free memory was 171.7MB in the beginning and 166.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-24 20:38:52,719 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 165.7MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.23ms. Allocated memory is still 165.7MB. Free memory was 96.3MB in the beginning and 83.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.33ms. Allocated memory is still 165.7MB. Free memory was 83.3MB in the beginning and 81.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.82ms. Allocated memory is still 165.7MB. Free memory was 81.5MB in the beginning and 79.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 515.02ms. Allocated memory is still 165.7MB. Free memory was 79.7MB in the beginning and 119.3MB in the end (delta: -39.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * TraceAbstraction took 33474.76ms. Allocated memory was 165.7MB in the beginning and 369.1MB in the end (delta: 203.4MB). Free memory was 118.0MB in the beginning and 171.7MB in the end (delta: -53.7MB). Peak memory consumption was 208.8MB. Max. memory is 16.1GB. * Witness Printer took 85.22ms. Allocated memory is still 369.1MB. Free memory was 171.7MB in the beginning and 166.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 120 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 30.4s, OverallIterations: 26, TraceHistogramMax: 32, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4109 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4035 mSDsluCounter, 9856 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7453 mSDsCounter, 554 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8599 IncrementalHoareTripleChecker+Invalid, 9153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 554 mSolverCounterUnsat, 2403 mSDtfsCounter, 8599 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4960 GetRequests, 4644 SyntacticMatches, 0 SemanticMatches, 316 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2491 ImplicationChecksByTransitivity, 12.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred in iteration=21, InterpolantAutomatonStates: 242, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 26 MinimizatonAttempts, 653 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 6347 NumberOfCodeBlocks, 5148 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 6129 ConstructedInterpolants, 4 QuantifiedInterpolants, 25260 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3223 ConjunctsInSsa, 134 ConjunctsInUnsatCore, 47 InterpolantComputations, 14 PerfectInterpolantSequences, 16920/21279 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 52 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((0 <= (counter + 2147483648)) && (n <= 2147483647)) && (counter <= 50)) && (3 <= t)) && (1 <= a)) && (a <= 4611686018427387903)) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1))) || (((((n <= 2147483647) && (t == 1)) && (counter == 0)) && (a == 0)) && (s == 1))) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (((cond != 0) || ((counter + 2147483648) < 0)) && (counter == \old(counter))) RESULT: Ultimate proved your program to be correct! [2024-10-24 20:38:52,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE