./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.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 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:52:22,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:52:22,434 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:52:22,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:52:22,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:52:22,462 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:52:22,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:52:22,464 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:52:22,465 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:52:22,466 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:52:22,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:52:22,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:52:22,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:52:22,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:52:22,468 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:52:22,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:52:22,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:52:22,471 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:52:22,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:52:22,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:52:22,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:52:22,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:52:22,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:52:22,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:52:22,472 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:52:22,473 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:52:22,473 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:52:22,473 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:52:22,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:52:22,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:52:22,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:52:22,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:52:22,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:52:22,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:52:22,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:52:22,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:52:22,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:52:22,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:52:22,475 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:52:22,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:52:22,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:52:22,476 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:52:22,476 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:52:22,477 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:52:22,477 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c [2024-11-22 22:52:22,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:52:22,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:52:22,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:52:22,718 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:52:22,718 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:52:22,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2024-11-22 22:52:23,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:52:24,039 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:52:24,039 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2024-11-22 22:52:24,044 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8f6aff7/67da0a6460764a32b5a136552866ecf3/FLAG942ebcbb6 [2024-11-22 22:52:24,460 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8f6aff7/67da0a6460764a32b5a136552866ecf3 [2024-11-22 22:52:24,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:52:24,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:52:24,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:52:24,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:52:24,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:52:24,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:52:24" (1/1) ... [2024-11-22 22:52:24,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@517d8385 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24, skipping insertion in model container [2024-11-22 22:52:24,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:52:24" (1/1) ... [2024-11-22 22:52:24,483 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:52:24,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:52:24,667 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:52:24,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:52:24,700 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:52:24,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24 WrapperNode [2024-11-22 22:52:24,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:52:24,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:52:24,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:52:24,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:52:24,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24" (1/1) ... [2024-11-22 22:52:24,711 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24" (1/1) ... [2024-11-22 22:52:24,729 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2024-11-22 22:52:24,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:52:24,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:52:24,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:52:24,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:52:24,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24" (1/1) ... [2024-11-22 22:52:24,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24" (1/1) ... [2024-11-22 22:52:24,740 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24" (1/1) ... [2024-11-22 22:52:24,751 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-22 22:52:24,751 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24" (1/1) ... [2024-11-22 22:52:24,751 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24" (1/1) ... [2024-11-22 22:52:24,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24" (1/1) ... [2024-11-22 22:52:24,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24" (1/1) ... [2024-11-22 22:52:24,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24" (1/1) ... [2024-11-22 22:52:24,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24" (1/1) ... [2024-11-22 22:52:24,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:52:24,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:52:24,763 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:52:24,763 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:52:24,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24" (1/1) ... [2024-11-22 22:52:24,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:52:24,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:24,794 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-22 22:52:24,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-22 22:52:24,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:52:24,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:52:24,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:52:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:52:24,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:52:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:52:24,879 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:52:24,881 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:52:25,283 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-22 22:52:25,283 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:52:25,302 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:52:25,302 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-22 22:52:25,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:52:25 BoogieIcfgContainer [2024-11-22 22:52:25,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:52:25,304 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:52:25,305 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:52:25,307 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:52:25,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:52:24" (1/3) ... [2024-11-22 22:52:25,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119bc2cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:52:25, skipping insertion in model container [2024-11-22 22:52:25,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:52:24" (2/3) ... [2024-11-22 22:52:25,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119bc2cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:52:25, skipping insertion in model container [2024-11-22 22:52:25,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:52:25" (3/3) ... [2024-11-22 22:52:25,311 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound5.c [2024-11-22 22:52:25,324 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:52:25,325 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-11-22 22:52:25,379 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:52:25,384 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;@34a14382, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:52:25,384 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-11-22 22:52:25,388 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 62 states have (on average 1.8387096774193548) internal successors, (114), 106 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-22 22:52:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 22:52:25,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:25,392 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 22:52:25,392 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:25,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:25,396 INFO L85 PathProgramCache]: Analyzing trace with hash 889512265, now seen corresponding path program 1 times [2024-11-22 22:52:25,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:25,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188684268] [2024-11-22 22:52:25,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:25,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:25,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:25,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:25,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188684268] [2024-11-22 22:52:25,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188684268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:25,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:25,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:52:25,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107607847] [2024-11-22 22:52:25,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:25,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-22 22:52:25,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:25,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-22 22:52:25,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:52:25,524 INFO L87 Difference]: Start difference. First operand has 111 states, 62 states have (on average 1.8387096774193548) internal successors, (114), 106 states have internal predecessors, (114), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:25,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:25,546 INFO L93 Difference]: Finished difference Result 218 states and 238 transitions. [2024-11-22 22:52:25,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-22 22:52:25,548 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-22 22:52:25,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:25,553 INFO L225 Difference]: With dead ends: 218 [2024-11-22 22:52:25,554 INFO L226 Difference]: Without dead ends: 104 [2024-11-22 22:52:25,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-22 22:52:25,558 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:25,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:52:25,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-22 22:52:25,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-22 22:52:25,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 57 states have (on average 1.8421052631578947) internal successors, (105), 100 states have internal predecessors, (105), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:52:25,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 109 transitions. [2024-11-22 22:52:25,587 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 109 transitions. Word has length 6 [2024-11-22 22:52:25,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:25,588 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 109 transitions. [2024-11-22 22:52:25,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:25,588 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 109 transitions. [2024-11-22 22:52:25,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-22 22:52:25,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:25,589 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-22 22:52:25,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:52:25,589 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:25,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:25,590 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-22 22:52:25,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:25,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282824427] [2024-11-22 22:52:25,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:25,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:25,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:25,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:25,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282824427] [2024-11-22 22:52:25,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282824427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:25,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:25,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:52:25,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896457769] [2024-11-22 22:52:25,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:25,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:25,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:25,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:25,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:25,680 INFO L87 Difference]: Start difference. First operand 104 states and 109 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:25,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:25,719 INFO L93 Difference]: Finished difference Result 104 states and 109 transitions. [2024-11-22 22:52:25,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:25,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-22 22:52:25,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:25,720 INFO L225 Difference]: With dead ends: 104 [2024-11-22 22:52:25,721 INFO L226 Difference]: Without dead ends: 103 [2024-11-22 22:52:25,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:52:25,722 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 105 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:25,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 203 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:52:25,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-22 22:52:25,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-22 22:52:25,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 57 states have (on average 1.8245614035087718) internal successors, (104), 99 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:52:25,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 108 transitions. [2024-11-22 22:52:25,731 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 108 transitions. Word has length 6 [2024-11-22 22:52:25,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:25,731 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 108 transitions. [2024-11-22 22:52:25,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2024-11-22 22:52:25,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-22 22:52:25,732 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:25,732 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:25,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:52:25,733 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:25,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:25,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-22 22:52:25,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:25,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157365169] [2024-11-22 22:52:25,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:25,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:25,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:25,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:25,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157365169] [2024-11-22 22:52:25,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157365169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:25,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:25,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:52:25,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390500667] [2024-11-22 22:52:25,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:25,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:25,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:25,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:25,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:25,799 INFO L87 Difference]: Start difference. First operand 103 states and 108 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:25,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:25,831 INFO L93 Difference]: Finished difference Result 121 states and 126 transitions. [2024-11-22 22:52:25,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:52:25,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-22 22:52:25,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:25,833 INFO L225 Difference]: With dead ends: 121 [2024-11-22 22:52:25,833 INFO L226 Difference]: Without dead ends: 107 [2024-11-22 22:52:25,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:52:25,834 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 3 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:25,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 306 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:52:25,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-22 22:52:25,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2024-11-22 22:52:25,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 61 states have (on average 1.7704918032786885) internal successors, (108), 103 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:52:25,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2024-11-22 22:52:25,841 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 7 [2024-11-22 22:52:25,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:25,842 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2024-11-22 22:52:25,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:25,842 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2024-11-22 22:52:25,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-22 22:52:25,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:25,843 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:25,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:52:25,843 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:25,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:25,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-22 22:52:25,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:25,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906676427] [2024-11-22 22:52:25,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:25,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:25,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [661123339] [2024-11-22 22:52:25,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:25,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:25,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:25,864 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:25,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:52:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:25,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:52:25,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:26,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:26,052 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:26,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:26,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906676427] [2024-11-22 22:52:26,053 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:26,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [661123339] [2024-11-22 22:52:26,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [661123339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:26,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:26,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:52:26,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622045722] [2024-11-22 22:52:26,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:26,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:52:26,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:26,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:52:26,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:52:26,054 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:26,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:26,350 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2024-11-22 22:52:26,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:52:26,351 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-22 22:52:26,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:26,352 INFO L225 Difference]: With dead ends: 146 [2024-11-22 22:52:26,356 INFO L226 Difference]: Without dead ends: 135 [2024-11-22 22:52:26,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:52:26,357 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 162 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:26,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 149 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:52:26,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-22 22:52:26,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 130. [2024-11-22 22:52:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 84 states have (on average 1.6785714285714286) internal successors, (141), 124 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:52:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2024-11-22 22:52:26,374 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 9 [2024-11-22 22:52:26,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:26,374 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2024-11-22 22:52:26,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:26,374 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2024-11-22 22:52:26,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-22 22:52:26,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:26,378 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:26,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-22 22:52:26,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:26,579 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:26,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:26,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1988380403, now seen corresponding path program 1 times [2024-11-22 22:52:26,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:26,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150448176] [2024-11-22 22:52:26,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:26,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:26,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1448351274] [2024-11-22 22:52:26,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:26,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:26,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:26,595 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:26,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:52:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:26,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-22 22:52:26,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:26,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:26,767 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:26,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:26,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150448176] [2024-11-22 22:52:26,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:26,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448351274] [2024-11-22 22:52:26,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448351274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:26,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:26,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:52:26,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663473878] [2024-11-22 22:52:26,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:26,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:52:26,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:26,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:52:26,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:52:26,769 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:26,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:26,995 INFO L93 Difference]: Finished difference Result 180 states and 220 transitions. [2024-11-22 22:52:26,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:52:26,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-22 22:52:26,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:26,997 INFO L225 Difference]: With dead ends: 180 [2024-11-22 22:52:27,000 INFO L226 Difference]: Without dead ends: 162 [2024-11-22 22:52:27,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:52:27,001 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 170 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:27,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 146 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:27,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-22 22:52:27,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2024-11-22 22:52:27,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.6126126126126126) internal successors, (179), 149 states have internal predecessors, (179), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:52:27,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 189 transitions. [2024-11-22 22:52:27,017 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 189 transitions. Word has length 10 [2024-11-22 22:52:27,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:27,017 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 189 transitions. [2024-11-22 22:52:27,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:27,017 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 189 transitions. [2024-11-22 22:52:27,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-22 22:52:27,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:27,017 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:27,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-22 22:52:27,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:27,218 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:27,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:27,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1510250290, now seen corresponding path program 1 times [2024-11-22 22:52:27,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:27,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69959149] [2024-11-22 22:52:27,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:27,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:27,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1113848444] [2024-11-22 22:52:27,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:27,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:27,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:27,229 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:27,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:52:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:27,257 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:52:27,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:27,349 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:27,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:27,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69959149] [2024-11-22 22:52:27,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:27,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1113848444] [2024-11-22 22:52:27,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1113848444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:27,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:27,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:52:27,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976673980] [2024-11-22 22:52:27,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:27,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:52:27,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:27,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:52:27,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:52:27,351 INFO L87 Difference]: Start difference. First operand 156 states and 189 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:27,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:27,557 INFO L93 Difference]: Finished difference Result 164 states and 196 transitions. [2024-11-22 22:52:27,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:52:27,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2024-11-22 22:52:27,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:27,558 INFO L225 Difference]: With dead ends: 164 [2024-11-22 22:52:27,558 INFO L226 Difference]: Without dead ends: 163 [2024-11-22 22:52:27,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:52:27,559 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 144 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:27,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 161 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:27,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-22 22:52:27,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2024-11-22 22:52:27,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.6036036036036037) internal successors, (178), 149 states have internal predecessors, (178), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:52:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 188 transitions. [2024-11-22 22:52:27,567 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 188 transitions. Word has length 11 [2024-11-22 22:52:27,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:27,567 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 188 transitions. [2024-11-22 22:52:27,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:27,568 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 188 transitions. [2024-11-22 22:52:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-22 22:52:27,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:27,568 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:27,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:52:27,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:27,773 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:27,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:27,773 INFO L85 PathProgramCache]: Analyzing trace with hash 426881327, now seen corresponding path program 1 times [2024-11-22 22:52:27,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:27,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699958595] [2024-11-22 22:52:27,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:27,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:27,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868139090] [2024-11-22 22:52:27,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:27,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:27,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:27,786 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:27,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:52:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:27,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-22 22:52:27,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:27,896 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:27,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:27,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699958595] [2024-11-22 22:52:27,896 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:27,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868139090] [2024-11-22 22:52:27,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868139090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:27,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:27,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:52:27,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232090282] [2024-11-22 22:52:27,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:27,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:52:27,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:27,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:52:27,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:52:27,898 INFO L87 Difference]: Start difference. First operand 156 states and 188 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:28,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:28,102 INFO L93 Difference]: Finished difference Result 160 states and 188 transitions. [2024-11-22 22:52:28,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:52:28,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-22 22:52:28,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:28,103 INFO L225 Difference]: With dead ends: 160 [2024-11-22 22:52:28,104 INFO L226 Difference]: Without dead ends: 157 [2024-11-22 22:52:28,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:52:28,106 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 161 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:28,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 153 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:28,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-22 22:52:28,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 156. [2024-11-22 22:52:28,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 111 states have (on average 1.5675675675675675) internal successors, (174), 149 states have internal predecessors, (174), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:52:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2024-11-22 22:52:28,122 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 12 [2024-11-22 22:52:28,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:28,122 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2024-11-22 22:52:28,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:28,122 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2024-11-22 22:52:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-22 22:52:28,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:28,123 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:28,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-22 22:52:28,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:28,328 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:28,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:28,328 INFO L85 PathProgramCache]: Analyzing trace with hash 348419312, now seen corresponding path program 1 times [2024-11-22 22:52:28,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:28,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560810552] [2024-11-22 22:52:28,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:28,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:28,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:28,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:28,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560810552] [2024-11-22 22:52:28,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560810552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:28,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:28,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:28,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344622990] [2024-11-22 22:52:28,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:28,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:28,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:28,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:28,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:28,407 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:28,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:28,637 INFO L93 Difference]: Finished difference Result 258 states and 303 transitions. [2024-11-22 22:52:28,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:28,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-22 22:52:28,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:28,638 INFO L225 Difference]: With dead ends: 258 [2024-11-22 22:52:28,638 INFO L226 Difference]: Without dead ends: 257 [2024-11-22 22:52:28,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:28,639 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 95 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:28,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 156 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:28,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-22 22:52:28,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 180. [2024-11-22 22:52:28,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 134 states have (on average 1.5746268656716418) internal successors, (211), 172 states have internal predecessors, (211), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 22:52:28,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 223 transitions. [2024-11-22 22:52:28,650 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 223 transitions. Word has length 13 [2024-11-22 22:52:28,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:28,650 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 223 transitions. [2024-11-22 22:52:28,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:28,650 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions. [2024-11-22 22:52:28,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-22 22:52:28,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:28,651 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:28,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-22 22:52:28,651 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:28,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:28,652 INFO L85 PathProgramCache]: Analyzing trace with hash -2083903151, now seen corresponding path program 1 times [2024-11-22 22:52:28,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:28,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99601934] [2024-11-22 22:52:28,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:28,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:28,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:28,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:28,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99601934] [2024-11-22 22:52:28,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99601934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:28,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:28,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:28,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049292985] [2024-11-22 22:52:28,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:28,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:28,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:28,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:28,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:28,714 INFO L87 Difference]: Start difference. First operand 180 states and 223 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:29,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:29,222 INFO L93 Difference]: Finished difference Result 258 states and 301 transitions. [2024-11-22 22:52:29,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:29,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2024-11-22 22:52:29,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:29,223 INFO L225 Difference]: With dead ends: 258 [2024-11-22 22:52:29,224 INFO L226 Difference]: Without dead ends: 257 [2024-11-22 22:52:29,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:29,225 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 74 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:29,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 183 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-22 22:52:29,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-11-22 22:52:29,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 180. [2024-11-22 22:52:29,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 134 states have (on average 1.5597014925373134) internal successors, (209), 172 states have internal predecessors, (209), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-22 22:52:29,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 221 transitions. [2024-11-22 22:52:29,233 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 221 transitions. Word has length 14 [2024-11-22 22:52:29,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:29,233 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 221 transitions. [2024-11-22 22:52:29,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:52:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 221 transitions. [2024-11-22 22:52:29,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-22 22:52:29,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:29,235 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:29,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 22:52:29,235 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:29,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:29,235 INFO L85 PathProgramCache]: Analyzing trace with hash -854894940, now seen corresponding path program 1 times [2024-11-22 22:52:29,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:29,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75527232] [2024-11-22 22:52:29,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:29,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:29,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:29,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75527232] [2024-11-22 22:52:29,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75527232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:29,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:29,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:52:29,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267764129] [2024-11-22 22:52:29,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:29,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:52:29,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:29,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:52:29,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:52:29,316 INFO L87 Difference]: Start difference. First operand 180 states and 221 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:29,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:29,412 INFO L93 Difference]: Finished difference Result 257 states and 322 transitions. [2024-11-22 22:52:29,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:52:29,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-11-22 22:52:29,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:29,413 INFO L225 Difference]: With dead ends: 257 [2024-11-22 22:52:29,414 INFO L226 Difference]: Without dead ends: 255 [2024-11-22 22:52:29,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:52:29,415 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 56 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:29,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 161 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:52:29,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-22 22:52:29,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 229. [2024-11-22 22:52:29,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 182 states have (on average 1.6318681318681318) internal successors, (297), 220 states have internal predecessors, (297), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-22 22:52:29,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 311 transitions. [2024-11-22 22:52:29,422 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 311 transitions. Word has length 28 [2024-11-22 22:52:29,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:29,423 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 311 transitions. [2024-11-22 22:52:29,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 311 transitions. [2024-11-22 22:52:29,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-22 22:52:29,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:29,423 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:29,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 22:52:29,424 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:29,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:29,424 INFO L85 PathProgramCache]: Analyzing trace with hash -426381197, now seen corresponding path program 1 times [2024-11-22 22:52:29,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:29,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199893612] [2024-11-22 22:52:29,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:29,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:29,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [557446311] [2024-11-22 22:52:29,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:29,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:29,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:29,447 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:29,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:52:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:29,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:52:29,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:29,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:29,555 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:29,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:29,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199893612] [2024-11-22 22:52:29,556 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:29,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557446311] [2024-11-22 22:52:29,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557446311] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:29,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:29,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:29,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413331864] [2024-11-22 22:52:29,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:29,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:29,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:29,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:29,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:29,557 INFO L87 Difference]: Start difference. First operand 229 states and 311 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:29,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:29,693 INFO L93 Difference]: Finished difference Result 280 states and 382 transitions. [2024-11-22 22:52:29,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:29,693 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-11-22 22:52:29,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:29,695 INFO L225 Difference]: With dead ends: 280 [2024-11-22 22:52:29,695 INFO L226 Difference]: Without dead ends: 276 [2024-11-22 22:52:29,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:52:29,696 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 162 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:29,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 107 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:52:29,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-22 22:52:29,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 257. [2024-11-22 22:52:29,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 209 states have (on average 1.631578947368421) internal successors, (341), 247 states have internal predecessors, (341), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:52:29,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 357 transitions. [2024-11-22 22:52:29,705 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 357 transitions. Word has length 28 [2024-11-22 22:52:29,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:29,706 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 357 transitions. [2024-11-22 22:52:29,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:29,706 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 357 transitions. [2024-11-22 22:52:29,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-22 22:52:29,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:29,708 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:29,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 22:52:29,911 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,SelfDestructingSolverStorable10 [2024-11-22 22:52:29,912 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:29,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:29,912 INFO L85 PathProgramCache]: Analyzing trace with hash -748037788, now seen corresponding path program 1 times [2024-11-22 22:52:29,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:29,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031279144] [2024-11-22 22:52:29,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:29,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:29,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:29,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:29,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031279144] [2024-11-22 22:52:29,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031279144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:29,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:29,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:29,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096445615] [2024-11-22 22:52:29,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:29,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:29,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:29,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:29,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:29,999 INFO L87 Difference]: Start difference. First operand 257 states and 357 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:30,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:30,161 INFO L93 Difference]: Finished difference Result 340 states and 449 transitions. [2024-11-22 22:52:30,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:30,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-22 22:52:30,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:30,163 INFO L225 Difference]: With dead ends: 340 [2024-11-22 22:52:30,163 INFO L226 Difference]: Without dead ends: 339 [2024-11-22 22:52:30,163 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:30,164 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 63 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:30,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 226 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:30,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-22 22:52:30,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 267. [2024-11-22 22:52:30,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 219 states have (on average 1.6255707762557077) internal successors, (356), 257 states have internal predecessors, (356), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:52:30,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 372 transitions. [2024-11-22 22:52:30,171 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 372 transitions. Word has length 29 [2024-11-22 22:52:30,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:30,171 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 372 transitions. [2024-11-22 22:52:30,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:30,171 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 372 transitions. [2024-11-22 22:52:30,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-22 22:52:30,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:30,172 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:30,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 22:52:30,172 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:30,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:30,173 INFO L85 PathProgramCache]: Analyzing trace with hash -332915099, now seen corresponding path program 1 times [2024-11-22 22:52:30,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:30,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902781523] [2024-11-22 22:52:30,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:30,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:30,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [342363932] [2024-11-22 22:52:30,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:30,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:30,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:30,187 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:30,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:52:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:30,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:52:30,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:30,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:30,272 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:30,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:30,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902781523] [2024-11-22 22:52:30,272 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:30,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342363932] [2024-11-22 22:52:30,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342363932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:30,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:30,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:30,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780603072] [2024-11-22 22:52:30,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:30,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:30,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:30,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:30,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:30,274 INFO L87 Difference]: Start difference. First operand 267 states and 372 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:30,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:30,460 INFO L93 Difference]: Finished difference Result 283 states and 379 transitions. [2024-11-22 22:52:30,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:30,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2024-11-22 22:52:30,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:30,462 INFO L225 Difference]: With dead ends: 283 [2024-11-22 22:52:30,462 INFO L226 Difference]: Without dead ends: 279 [2024-11-22 22:52:30,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:52:30,463 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 200 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:30,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 88 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:30,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-22 22:52:30,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 267. [2024-11-22 22:52:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 219 states have (on average 1.6027397260273972) internal successors, (351), 257 states have internal predecessors, (351), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:52:30,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 367 transitions. [2024-11-22 22:52:30,470 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 367 transitions. Word has length 29 [2024-11-22 22:52:30,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:30,470 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 367 transitions. [2024-11-22 22:52:30,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:30,470 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 367 transitions. [2024-11-22 22:52:30,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 22:52:30,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:30,471 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:30,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 22:52:30,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:30,672 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:30,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:30,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1714334841, now seen corresponding path program 1 times [2024-11-22 22:52:30,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:30,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603529717] [2024-11-22 22:52:30,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:30,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:30,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:30,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:30,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603529717] [2024-11-22 22:52:30,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603529717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:30,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:30,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:30,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927119462] [2024-11-22 22:52:30,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:30,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:30,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:30,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:30,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:30,745 INFO L87 Difference]: Start difference. First operand 267 states and 367 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:31,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:31,149 INFO L93 Difference]: Finished difference Result 340 states and 441 transitions. [2024-11-22 22:52:31,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:31,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-22 22:52:31,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:31,153 INFO L225 Difference]: With dead ends: 340 [2024-11-22 22:52:31,153 INFO L226 Difference]: Without dead ends: 339 [2024-11-22 22:52:31,153 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:31,153 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 62 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:31,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 221 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:52:31,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-22 22:52:31,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 269. [2024-11-22 22:52:31,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 221 states have (on average 1.5972850678733033) internal successors, (353), 259 states have internal predecessors, (353), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:52:31,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 369 transitions. [2024-11-22 22:52:31,161 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 369 transitions. Word has length 30 [2024-11-22 22:52:31,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:31,161 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 369 transitions. [2024-11-22 22:52:31,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:31,161 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 369 transitions. [2024-11-22 22:52:31,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 22:52:31,162 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:31,162 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:31,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-22 22:52:31,162 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:31,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:31,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1316264971, now seen corresponding path program 1 times [2024-11-22 22:52:31,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:31,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802798146] [2024-11-22 22:52:31,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:31,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:31,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:31,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:31,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802798146] [2024-11-22 22:52:31,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802798146] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:31,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:31,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:52:31,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715498057] [2024-11-22 22:52:31,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:31,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:52:31,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:31,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:52:31,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:52:31,231 INFO L87 Difference]: Start difference. First operand 269 states and 369 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:31,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:31,500 INFO L93 Difference]: Finished difference Result 381 states and 545 transitions. [2024-11-22 22:52:31,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:52:31,500 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-22 22:52:31,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:31,502 INFO L225 Difference]: With dead ends: 381 [2024-11-22 22:52:31,502 INFO L226 Difference]: Without dead ends: 379 [2024-11-22 22:52:31,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:52:31,503 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 283 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:31,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 87 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:31,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-22 22:52:31,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 275. [2024-11-22 22:52:31,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 227 states have (on average 1.5859030837004404) internal successors, (360), 265 states have internal predecessors, (360), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:52:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 376 transitions. [2024-11-22 22:52:31,520 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 376 transitions. Word has length 30 [2024-11-22 22:52:31,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:31,520 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 376 transitions. [2024-11-22 22:52:31,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:31,520 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 376 transitions. [2024-11-22 22:52:31,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-22 22:52:31,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:31,521 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:31,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-22 22:52:31,521 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:31,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:31,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1730433355, now seen corresponding path program 1 times [2024-11-22 22:52:31,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:31,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938231138] [2024-11-22 22:52:31,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:31,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:31,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:31,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938231138] [2024-11-22 22:52:31,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938231138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:31,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:31,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:31,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991664223] [2024-11-22 22:52:31,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:31,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:31,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:31,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:31,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:31,569 INFO L87 Difference]: Start difference. First operand 275 states and 376 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:31,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:31,679 INFO L93 Difference]: Finished difference Result 340 states and 437 transitions. [2024-11-22 22:52:31,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:31,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-22 22:52:31,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:31,681 INFO L225 Difference]: With dead ends: 340 [2024-11-22 22:52:31,681 INFO L226 Difference]: Without dead ends: 339 [2024-11-22 22:52:31,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:31,681 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 63 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:31,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 218 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:52:31,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-22 22:52:31,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 284. [2024-11-22 22:52:31,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 236 states have (on average 1.5847457627118644) internal successors, (374), 274 states have internal predecessors, (374), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:52:31,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 390 transitions. [2024-11-22 22:52:31,690 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 390 transitions. Word has length 30 [2024-11-22 22:52:31,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:31,690 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 390 transitions. [2024-11-22 22:52:31,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:31,690 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 390 transitions. [2024-11-22 22:52:31,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-22 22:52:31,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:31,691 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:31,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-22 22:52:31,692 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:31,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:31,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2145458997, now seen corresponding path program 1 times [2024-11-22 22:52:31,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:31,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428860831] [2024-11-22 22:52:31,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:31,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:31,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:31,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428860831] [2024-11-22 22:52:31,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428860831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:31,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:31,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:52:31,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133436269] [2024-11-22 22:52:31,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:31,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:52:31,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:31,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:52:31,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:52:31,761 INFO L87 Difference]: Start difference. First operand 284 states and 390 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:32,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:32,027 INFO L93 Difference]: Finished difference Result 292 states and 397 transitions. [2024-11-22 22:52:32,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:52:32,027 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-22 22:52:32,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:32,029 INFO L225 Difference]: With dead ends: 292 [2024-11-22 22:52:32,029 INFO L226 Difference]: Without dead ends: 290 [2024-11-22 22:52:32,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:52:32,029 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 215 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:32,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 100 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:32,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-11-22 22:52:32,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 284. [2024-11-22 22:52:32,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 236 states have (on average 1.5720338983050848) internal successors, (371), 274 states have internal predecessors, (371), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:52:32,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 387 transitions. [2024-11-22 22:52:32,037 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 387 transitions. Word has length 31 [2024-11-22 22:52:32,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:32,037 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 387 transitions. [2024-11-22 22:52:32,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:32,038 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 387 transitions. [2024-11-22 22:52:32,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-22 22:52:32,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:32,038 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:32,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-22 22:52:32,038 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:32,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:32,039 INFO L85 PathProgramCache]: Analyzing trace with hash -2103826329, now seen corresponding path program 1 times [2024-11-22 22:52:32,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:32,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056643183] [2024-11-22 22:52:32,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:32,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:32,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:32,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:32,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056643183] [2024-11-22 22:52:32,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056643183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:32,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:32,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:32,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604372068] [2024-11-22 22:52:32,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:32,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:32,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:32,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:32,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:32,115 INFO L87 Difference]: Start difference. First operand 284 states and 387 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:32,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:32,466 INFO L93 Difference]: Finished difference Result 340 states and 431 transitions. [2024-11-22 22:52:32,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:32,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-11-22 22:52:32,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:32,468 INFO L225 Difference]: With dead ends: 340 [2024-11-22 22:52:32,468 INFO L226 Difference]: Without dead ends: 339 [2024-11-22 22:52:32,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:32,469 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 61 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:32,469 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 230 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:52:32,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-22 22:52:32,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 286. [2024-11-22 22:52:32,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 238 states have (on average 1.5672268907563025) internal successors, (373), 276 states have internal predecessors, (373), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-22 22:52:32,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 389 transitions. [2024-11-22 22:52:32,476 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 389 transitions. Word has length 31 [2024-11-22 22:52:32,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:32,476 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 389 transitions. [2024-11-22 22:52:32,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 389 transitions. [2024-11-22 22:52:32,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-22 22:52:32,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:32,477 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:32,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-22 22:52:32,477 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:32,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:32,478 INFO L85 PathProgramCache]: Analyzing trace with hash 346093816, now seen corresponding path program 1 times [2024-11-22 22:52:32,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:32,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621155494] [2024-11-22 22:52:32,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:32,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:32,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:32,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:32,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621155494] [2024-11-22 22:52:32,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621155494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:52:32,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078283063] [2024-11-22 22:52:32,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:32,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:32,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:32,526 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:32,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:52:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:32,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:52:32,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:32,601 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:52:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:32,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078283063] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:52:32,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:52:32,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-22 22:52:32,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883738921] [2024-11-22 22:52:32,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:52:32,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-22 22:52:32,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:32,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-22 22:52:32,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:52:32,656 INFO L87 Difference]: Start difference. First operand 286 states and 389 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:52:32,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:32,751 INFO L93 Difference]: Finished difference Result 773 states and 1048 transitions. [2024-11-22 22:52:32,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-22 22:52:32,752 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-11-22 22:52:32,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:32,754 INFO L225 Difference]: With dead ends: 773 [2024-11-22 22:52:32,754 INFO L226 Difference]: Without dead ends: 757 [2024-11-22 22:52:32,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:52:32,755 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 295 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:32,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 637 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:52:32,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2024-11-22 22:52:32,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 671. [2024-11-22 22:52:32,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 607 states have (on average 1.5897858319604612) internal successors, (965), 649 states have internal predecessors, (965), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 17 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-22 22:52:32,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 1007 transitions. [2024-11-22 22:52:32,775 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 1007 transitions. Word has length 32 [2024-11-22 22:52:32,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:32,775 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 1007 transitions. [2024-11-22 22:52:32,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-22 22:52:32,775 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1007 transitions. [2024-11-22 22:52:32,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-22 22:52:32,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:32,776 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:52:32,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-22 22:52:32,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:32,977 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:32,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:32,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1883677082, now seen corresponding path program 1 times [2024-11-22 22:52:32,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:32,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314481032] [2024-11-22 22:52:32,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:32,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:32,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [449359365] [2024-11-22 22:52:32,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:32,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:32,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:32,991 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:32,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:52:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:33,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:52:33,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:33,381 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:52:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:34,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:34,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314481032] [2024-11-22 22:52:34,258 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:34,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449359365] [2024-11-22 22:52:34,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449359365] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:52:34,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:52:34,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-11-22 22:52:34,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45722716] [2024-11-22 22:52:34,258 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:52:34,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:52:34,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:34,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:52:34,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:52:34,259 INFO L87 Difference]: Start difference. First operand 671 states and 1007 transitions. Second operand has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:52:37,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-22 22:52:37,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:37,433 INFO L93 Difference]: Finished difference Result 1199 states and 1824 transitions. [2024-11-22 22:52:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-22 22:52:37,434 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2024-11-22 22:52:37,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:37,441 INFO L225 Difference]: With dead ends: 1199 [2024-11-22 22:52:37,441 INFO L226 Difference]: Without dead ends: 1155 [2024-11-22 22:52:37,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=322, Invalid=670, Unknown=0, NotChecked=0, Total=992 [2024-11-22 22:52:37,444 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 619 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 620 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:37,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [620 Valid, 173 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-22 22:52:37,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-11-22 22:52:37,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 822. [2024-11-22 22:52:37,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 756 states have (on average 1.5145502645502646) internal successors, (1145), 796 states have internal predecessors, (1145), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 21 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-22 22:52:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1193 transitions. [2024-11-22 22:52:37,491 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1193 transitions. Word has length 34 [2024-11-22 22:52:37,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:37,491 INFO L471 AbstractCegarLoop]: Abstraction has 822 states and 1193 transitions. [2024-11-22 22:52:37,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.285714285714286) internal successors, (60), 15 states have internal predecessors, (60), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:52:37,491 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1193 transitions. [2024-11-22 22:52:37,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-22 22:52:37,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:37,492 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:37,498 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 22:52:37,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:37,696 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:37,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:37,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1960786937, now seen corresponding path program 1 times [2024-11-22 22:52:37,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:37,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028337568] [2024-11-22 22:52:37,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:37,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:37,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1781487555] [2024-11-22 22:52:37,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:37,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:37,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:37,711 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:37,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:52:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:37,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:52:37,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:37,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:37,871 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:37,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:37,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028337568] [2024-11-22 22:52:37,872 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:37,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781487555] [2024-11-22 22:52:37,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781487555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:37,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:37,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:52:37,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891226427] [2024-11-22 22:52:37,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:37,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:52:37,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:37,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:52:37,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:52:37,873 INFO L87 Difference]: Start difference. First operand 822 states and 1193 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:38,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:38,260 INFO L93 Difference]: Finished difference Result 967 states and 1411 transitions. [2024-11-22 22:52:38,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:52:38,261 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-22 22:52:38,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:38,264 INFO L225 Difference]: With dead ends: 967 [2024-11-22 22:52:38,264 INFO L226 Difference]: Without dead ends: 960 [2024-11-22 22:52:38,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:52:38,264 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 229 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:38,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 104 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:52:38,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-22 22:52:38,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 823. [2024-11-22 22:52:38,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 823 states, 758 states have (on average 1.4973614775725594) internal successors, (1135), 798 states have internal predecessors, (1135), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-22 22:52:38,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1181 transitions. [2024-11-22 22:52:38,306 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1181 transitions. Word has length 34 [2024-11-22 22:52:38,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:38,306 INFO L471 AbstractCegarLoop]: Abstraction has 823 states and 1181 transitions. [2024-11-22 22:52:38,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:38,306 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1181 transitions. [2024-11-22 22:52:38,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 22:52:38,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:38,307 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:52:38,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:52:38,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:38,507 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:38,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:38,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1735552545, now seen corresponding path program 1 times [2024-11-22 22:52:38,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:38,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889301725] [2024-11-22 22:52:38,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:38,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:38,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1909000081] [2024-11-22 22:52:38,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:38,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:38,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:38,522 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:38,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:52:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:38,556 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:52:38,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:38,834 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:52:39,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:39,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:39,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889301725] [2024-11-22 22:52:39,873 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:39,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909000081] [2024-11-22 22:52:39,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909000081] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:52:39,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:52:39,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2024-11-22 22:52:39,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777859129] [2024-11-22 22:52:39,874 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:52:39,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:52:39,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:39,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:52:39,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:52:39,875 INFO L87 Difference]: Start difference. First operand 823 states and 1181 transitions. Second operand has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:52:43,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-22 22:52:43,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:43,812 INFO L93 Difference]: Finished difference Result 1218 states and 1780 transitions. [2024-11-22 22:52:43,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-22 22:52:43,814 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2024-11-22 22:52:43,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:43,818 INFO L225 Difference]: With dead ends: 1218 [2024-11-22 22:52:43,818 INFO L226 Difference]: Without dead ends: 1178 [2024-11-22 22:52:43,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=283, Invalid=587, Unknown=0, NotChecked=0, Total=870 [2024-11-22 22:52:43,820 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 682 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:43,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 159 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-22 22:52:43,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2024-11-22 22:52:43,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 888. [2024-11-22 22:52:43,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 888 states, 824 states have (on average 1.4575242718446602) internal successors, (1201), 863 states have internal predecessors, (1201), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:52:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1245 transitions. [2024-11-22 22:52:43,880 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1245 transitions. Word has length 35 [2024-11-22 22:52:43,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:43,880 INFO L471 AbstractCegarLoop]: Abstraction has 888 states and 1245 transitions. [2024-11-22 22:52:43,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.428571428571429) internal successors, (62), 15 states have internal predecessors, (62), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:52:43,881 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1245 transitions. [2024-11-22 22:52:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-22 22:52:43,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:43,881 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:43,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:52:44,085 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,SelfDestructingSolverStorable21 [2024-11-22 22:52:44,087 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:44,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:44,087 INFO L85 PathProgramCache]: Analyzing trace with hash 654853049, now seen corresponding path program 1 times [2024-11-22 22:52:44,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:44,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566674747] [2024-11-22 22:52:44,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:44,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:44,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [153478787] [2024-11-22 22:52:44,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:44,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:44,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:44,103 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:44,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:52:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:44,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:52:44,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:44,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:44,250 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:44,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:44,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566674747] [2024-11-22 22:52:44,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:44,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153478787] [2024-11-22 22:52:44,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153478787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:44,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:44,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:52:44,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487770707] [2024-11-22 22:52:44,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:44,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:52:44,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:44,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:52:44,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:52:44,251 INFO L87 Difference]: Start difference. First operand 888 states and 1245 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:44,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:44,506 INFO L93 Difference]: Finished difference Result 903 states and 1257 transitions. [2024-11-22 22:52:44,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:52:44,507 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-22 22:52:44,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:44,509 INFO L225 Difference]: With dead ends: 903 [2024-11-22 22:52:44,509 INFO L226 Difference]: Without dead ends: 898 [2024-11-22 22:52:44,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-22 22:52:44,510 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 261 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:44,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 86 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:44,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-22 22:52:44,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 882. [2024-11-22 22:52:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 882 states, 818 states have (on average 1.4327628361858191) internal successors, (1172), 857 states have internal predecessors, (1172), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:52:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1216 transitions. [2024-11-22 22:52:44,556 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1216 transitions. Word has length 35 [2024-11-22 22:52:44,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:44,556 INFO L471 AbstractCegarLoop]: Abstraction has 882 states and 1216 transitions. [2024-11-22 22:52:44,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:44,557 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1216 transitions. [2024-11-22 22:52:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-22 22:52:44,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:44,557 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:44,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-22 22:52:44,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-22 22:52:44,762 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:44,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:44,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2032446012, now seen corresponding path program 1 times [2024-11-22 22:52:44,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:44,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856786312] [2024-11-22 22:52:44,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:44,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:44,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:44,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [487069866] [2024-11-22 22:52:44,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:44,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:44,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:44,783 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:44,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:52:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:44,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:52:44,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:45,076 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:45,076 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:52:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:45,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:45,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856786312] [2024-11-22 22:52:45,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:45,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487069866] [2024-11-22 22:52:45,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487069866] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:52:45,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:52:45,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-22 22:52:45,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621553882] [2024-11-22 22:52:45,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:45,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:52:45,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:45,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:52:45,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:52:45,981 INFO L87 Difference]: Start difference. First operand 882 states and 1216 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:46,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:46,617 INFO L93 Difference]: Finished difference Result 901 states and 1236 transitions. [2024-11-22 22:52:46,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:52:46,618 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-22 22:52:46,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:46,620 INFO L225 Difference]: With dead ends: 901 [2024-11-22 22:52:46,620 INFO L226 Difference]: Without dead ends: 900 [2024-11-22 22:52:46,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:52:46,621 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 42 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:46,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 93 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-22 22:52:46,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2024-11-22 22:52:46,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 899. [2024-11-22 22:52:46,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 899 states, 835 states have (on average 1.4191616766467066) internal successors, (1185), 874 states have internal predecessors, (1185), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:52:46,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1229 transitions. [2024-11-22 22:52:46,675 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1229 transitions. Word has length 36 [2024-11-22 22:52:46,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:46,675 INFO L471 AbstractCegarLoop]: Abstraction has 899 states and 1229 transitions. [2024-11-22 22:52:46,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:46,676 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1229 transitions. [2024-11-22 22:52:46,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-22 22:52:46,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:46,676 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:46,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-22 22:52:46,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-22 22:52:46,877 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:46,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:46,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1174391813, now seen corresponding path program 1 times [2024-11-22 22:52:46,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:46,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198077728] [2024-11-22 22:52:46,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:46,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:46,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:46,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198077728] [2024-11-22 22:52:46,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198077728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:46,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:46,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:46,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643723286] [2024-11-22 22:52:46,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:46,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:46,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:46,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:46,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:46,938 INFO L87 Difference]: Start difference. First operand 899 states and 1229 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:47,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:47,103 INFO L93 Difference]: Finished difference Result 939 states and 1271 transitions. [2024-11-22 22:52:47,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:47,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2024-11-22 22:52:47,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:47,105 INFO L225 Difference]: With dead ends: 939 [2024-11-22 22:52:47,106 INFO L226 Difference]: Without dead ends: 938 [2024-11-22 22:52:47,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:47,106 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 36 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:47,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 182 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:52:47,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-11-22 22:52:47,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 921. [2024-11-22 22:52:47,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 857 states have (on average 1.4224037339556592) internal successors, (1219), 896 states have internal predecessors, (1219), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:52:47,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1263 transitions. [2024-11-22 22:52:47,148 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1263 transitions. Word has length 36 [2024-11-22 22:52:47,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:47,148 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1263 transitions. [2024-11-22 22:52:47,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:47,149 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1263 transitions. [2024-11-22 22:52:47,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-22 22:52:47,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:47,149 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:47,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-22 22:52:47,149 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:47,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:47,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1418683007, now seen corresponding path program 1 times [2024-11-22 22:52:47,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:47,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315885654] [2024-11-22 22:52:47,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:47,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:47,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [5334706] [2024-11-22 22:52:47,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:47,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:47,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:47,160 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:47,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:52:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:47,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:52:47,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:47,423 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:47,424 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:52:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:48,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:48,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315885654] [2024-11-22 22:52:48,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:48,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5334706] [2024-11-22 22:52:48,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5334706] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:52:48,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:52:48,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2024-11-22 22:52:48,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840215015] [2024-11-22 22:52:48,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:48,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:52:48,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:48,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:52:48,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:52:48,315 INFO L87 Difference]: Start difference. First operand 921 states and 1263 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:49,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:49,692 INFO L93 Difference]: Finished difference Result 925 states and 1267 transitions. [2024-11-22 22:52:49,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:52:49,692 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-22 22:52:49,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:49,695 INFO L225 Difference]: With dead ends: 925 [2024-11-22 22:52:49,695 INFO L226 Difference]: Without dead ends: 924 [2024-11-22 22:52:49,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:52:49,695 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 17 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:49,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 127 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 22:52:49,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-11-22 22:52:49,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 923. [2024-11-22 22:52:49,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 859 states have (on average 1.4155995343422585) internal successors, (1216), 898 states have internal predecessors, (1216), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:52:49,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1260 transitions. [2024-11-22 22:52:49,746 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1260 transitions. Word has length 37 [2024-11-22 22:52:49,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:49,746 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1260 transitions. [2024-11-22 22:52:49,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:49,747 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1260 transitions. [2024-11-22 22:52:49,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-22 22:52:49,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:49,747 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:49,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-22 22:52:49,951 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,SelfDestructingSolverStorable25 [2024-11-22 22:52:49,952 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:49,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:49,953 INFO L85 PathProgramCache]: Analyzing trace with hash 455632843, now seen corresponding path program 1 times [2024-11-22 22:52:49,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:49,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742953938] [2024-11-22 22:52:49,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:49,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:49,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1536165218] [2024-11-22 22:52:49,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:49,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:49,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:49,963 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:49,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:52:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:49,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:52:49,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:50,127 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:50,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:50,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742953938] [2024-11-22 22:52:50,127 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:50,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536165218] [2024-11-22 22:52:50,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536165218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:50,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:50,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-22 22:52:50,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658194017] [2024-11-22 22:52:50,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:50,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:52:50,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:50,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:52:50,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:52:50,128 INFO L87 Difference]: Start difference. First operand 923 states and 1260 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:50,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:50,419 INFO L93 Difference]: Finished difference Result 931 states and 1266 transitions. [2024-11-22 22:52:50,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:52:50,421 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-22 22:52:50,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:50,424 INFO L225 Difference]: With dead ends: 931 [2024-11-22 22:52:50,424 INFO L226 Difference]: Without dead ends: 930 [2024-11-22 22:52:50,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:52:50,425 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 168 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:50,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 202 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:50,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2024-11-22 22:52:50,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 923. [2024-11-22 22:52:50,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 923 states, 859 states have (on average 1.4121071012805588) internal successors, (1213), 898 states have internal predecessors, (1213), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:52:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1257 transitions. [2024-11-22 22:52:50,467 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1257 transitions. Word has length 37 [2024-11-22 22:52:50,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:50,468 INFO L471 AbstractCegarLoop]: Abstraction has 923 states and 1257 transitions. [2024-11-22 22:52:50,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:50,468 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1257 transitions. [2024-11-22 22:52:50,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-22 22:52:50,468 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:50,468 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:50,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-22 22:52:50,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:50,671 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:50,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:50,672 INFO L85 PathProgramCache]: Analyzing trace with hash -2046407685, now seen corresponding path program 1 times [2024-11-22 22:52:50,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:50,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61902371] [2024-11-22 22:52:50,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:50,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:50,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:50,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:50,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61902371] [2024-11-22 22:52:50,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61902371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:50,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:50,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:52:50,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579575380] [2024-11-22 22:52:50,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:50,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:52:50,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:50,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:52:50,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:50,734 INFO L87 Difference]: Start difference. First operand 923 states and 1257 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:51,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:51,014 INFO L93 Difference]: Finished difference Result 940 states and 1261 transitions. [2024-11-22 22:52:51,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:52:51,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-22 22:52:51,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:51,017 INFO L225 Difference]: With dead ends: 940 [2024-11-22 22:52:51,017 INFO L226 Difference]: Without dead ends: 939 [2024-11-22 22:52:51,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:52:51,017 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 33 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:51,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 185 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:51,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2024-11-22 22:52:51,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 925. [2024-11-22 22:52:51,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 861 states have (on average 1.4088269454123112) internal successors, (1213), 900 states have internal predecessors, (1213), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:52:51,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1257 transitions. [2024-11-22 22:52:51,059 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1257 transitions. Word has length 37 [2024-11-22 22:52:51,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:51,059 INFO L471 AbstractCegarLoop]: Abstraction has 925 states and 1257 transitions. [2024-11-22 22:52:51,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:51,059 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1257 transitions. [2024-11-22 22:52:51,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-22 22:52:51,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:51,060 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:51,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-22 22:52:51,060 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:51,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:51,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1617930517, now seen corresponding path program 1 times [2024-11-22 22:52:51,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:51,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377677699] [2024-11-22 22:52:51,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:51,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:51,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [161931690] [2024-11-22 22:52:51,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:51,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:51,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:51,075 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:51,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:52:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:51,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:52:51,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:51,560 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:51,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:52:51,955 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:51,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:51,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377677699] [2024-11-22 22:52:51,955 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:51,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161931690] [2024-11-22 22:52:51,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161931690] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:52:51,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:52:51,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-22 22:52:51,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579762334] [2024-11-22 22:52:51,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:51,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:52:51,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:51,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:52:51,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:52:51,957 INFO L87 Difference]: Start difference. First operand 925 states and 1257 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:53,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:53,293 INFO L93 Difference]: Finished difference Result 950 states and 1287 transitions. [2024-11-22 22:52:53,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:52:53,294 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2024-11-22 22:52:53,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:53,296 INFO L225 Difference]: With dead ends: 950 [2024-11-22 22:52:53,296 INFO L226 Difference]: Without dead ends: 949 [2024-11-22 22:52:53,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:52:53,297 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 34 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:53,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 210 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-22 22:52:53,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2024-11-22 22:52:53,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 948. [2024-11-22 22:52:53,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 884 states have (on average 1.3993212669683257) internal successors, (1237), 923 states have internal predecessors, (1237), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:52:53,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1281 transitions. [2024-11-22 22:52:53,348 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1281 transitions. Word has length 38 [2024-11-22 22:52:53,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:53,348 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1281 transitions. [2024-11-22 22:52:53,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:53,348 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1281 transitions. [2024-11-22 22:52:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 22:52:53,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:53,348 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:53,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-22 22:52:53,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-22 22:52:53,555 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:53,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:53,555 INFO L85 PathProgramCache]: Analyzing trace with hash -223500115, now seen corresponding path program 1 times [2024-11-22 22:52:53,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:53,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738303291] [2024-11-22 22:52:53,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:53,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:53,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1592557508] [2024-11-22 22:52:53,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:53,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:53,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:53,572 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:53,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 22:52:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:53,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-22 22:52:53,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:53,749 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:53,749 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:52:53,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:53,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738303291] [2024-11-22 22:52:53,750 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:53,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1592557508] [2024-11-22 22:52:53,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1592557508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:52:53,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:52:53,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:52:53,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015791299] [2024-11-22 22:52:53,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:53,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:52:53,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:53,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:52:53,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:52:53,752 INFO L87 Difference]: Start difference. First operand 948 states and 1281 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:53,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:53,994 INFO L93 Difference]: Finished difference Result 957 states and 1287 transitions. [2024-11-22 22:52:53,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:52:53,995 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-11-22 22:52:53,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:53,997 INFO L225 Difference]: With dead ends: 957 [2024-11-22 22:52:53,997 INFO L226 Difference]: Without dead ends: 955 [2024-11-22 22:52:53,997 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:52:53,997 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 181 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:53,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 217 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:52:53,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-11-22 22:52:54,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 948. [2024-11-22 22:52:54,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 884 states have (on average 1.3925339366515836) internal successors, (1231), 923 states have internal predecessors, (1231), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:52:54,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1275 transitions. [2024-11-22 22:52:54,040 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1275 transitions. Word has length 39 [2024-11-22 22:52:54,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:54,040 INFO L471 AbstractCegarLoop]: Abstraction has 948 states and 1275 transitions. [2024-11-22 22:52:54,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:54,040 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1275 transitions. [2024-11-22 22:52:54,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-22 22:52:54,040 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:54,040 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:52:54,047 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-22 22:52:54,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:54,245 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:54,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:54,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1383761586, now seen corresponding path program 1 times [2024-11-22 22:52:54,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:54,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908012313] [2024-11-22 22:52:54,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:54,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:54,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [929972311] [2024-11-22 22:52:54,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:54,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:54,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:54,255 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:54,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 22:52:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:54,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-22 22:52:54,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:54,737 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:52:55,434 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:55,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:55,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908012313] [2024-11-22 22:52:55,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:55,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929972311] [2024-11-22 22:52:55,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929972311] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:52:55,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:52:55,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-11-22 22:52:55,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772035645] [2024-11-22 22:52:55,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:55,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-22 22:52:55,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:55,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-22 22:52:55,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:52:55,435 INFO L87 Difference]: Start difference. First operand 948 states and 1275 transitions. Second operand has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:56,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:56,153 INFO L93 Difference]: Finished difference Result 956 states and 1287 transitions. [2024-11-22 22:52:56,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:52:56,153 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-11-22 22:52:56,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:56,155 INFO L225 Difference]: With dead ends: 956 [2024-11-22 22:52:56,155 INFO L226 Difference]: Without dead ends: 955 [2024-11-22 22:52:56,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-22 22:52:56,156 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 20 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:56,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 147 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-22 22:52:56,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2024-11-22 22:52:56,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 935. [2024-11-22 22:52:56,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 871 states have (on average 1.397244546498278) internal successors, (1217), 910 states have internal predecessors, (1217), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:52:56,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1261 transitions. [2024-11-22 22:52:56,206 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1261 transitions. Word has length 39 [2024-11-22 22:52:56,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:56,206 INFO L471 AbstractCegarLoop]: Abstraction has 935 states and 1261 transitions. [2024-11-22 22:52:56,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:56,206 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1261 transitions. [2024-11-22 22:52:56,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-22 22:52:56,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:56,206 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:56,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-22 22:52:56,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:56,407 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:56,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:56,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1661431092, now seen corresponding path program 1 times [2024-11-22 22:52:56,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:56,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642735074] [2024-11-22 22:52:56,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:56,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:56,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1893645421] [2024-11-22 22:52:56,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:56,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:56,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:56,420 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:56,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-22 22:52:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:56,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-22 22:52:56,449 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:56,622 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:52:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:56,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:56,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642735074] [2024-11-22 22:52:56,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:56,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893645421] [2024-11-22 22:52:56,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893645421] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:52:56,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:52:56,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-22 22:52:56,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598703541] [2024-11-22 22:52:56,899 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:52:56,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:52:56,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:56,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:52:56,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:52:56,899 INFO L87 Difference]: Start difference. First operand 935 states and 1261 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:52:58,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:58,274 INFO L93 Difference]: Finished difference Result 984 states and 1332 transitions. [2024-11-22 22:52:58,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-22 22:52:58,275 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2024-11-22 22:52:58,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:58,277 INFO L225 Difference]: With dead ends: 984 [2024-11-22 22:52:58,277 INFO L226 Difference]: Without dead ends: 982 [2024-11-22 22:52:58,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=374, Unknown=0, NotChecked=0, Total=552 [2024-11-22 22:52:58,278 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 507 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:58,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 162 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-22 22:52:58,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2024-11-22 22:52:58,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 965. [2024-11-22 22:52:58,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 965 states, 901 states have (on average 1.3940066592674807) internal successors, (1256), 940 states have internal predecessors, (1256), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:52:58,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1300 transitions. [2024-11-22 22:52:58,323 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1300 transitions. Word has length 40 [2024-11-22 22:52:58,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:58,323 INFO L471 AbstractCegarLoop]: Abstraction has 965 states and 1300 transitions. [2024-11-22 22:52:58,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:52:58,323 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1300 transitions. [2024-11-22 22:52:58,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-22 22:52:58,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:58,324 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:52:58,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-22 22:52:58,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:58,525 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:58,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:58,525 INFO L85 PathProgramCache]: Analyzing trace with hash -53063731, now seen corresponding path program 1 times [2024-11-22 22:52:58,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:58,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408056254] [2024-11-22 22:52:58,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:58,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:58,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1532240616] [2024-11-22 22:52:58,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:58,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:58,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:58,540 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:58,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-22 22:52:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:58,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-22 22:52:58,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:58,801 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:58,801 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:52:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:58,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:52:58,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408056254] [2024-11-22 22:52:58,951 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:52:58,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532240616] [2024-11-22 22:52:58,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532240616] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:52:58,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:52:58,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-22 22:52:58,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718507979] [2024-11-22 22:52:58,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:52:58,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:52:58,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:52:58,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:52:58,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:52:58,952 INFO L87 Difference]: Start difference. First operand 965 states and 1300 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:59,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:52:59,329 INFO L93 Difference]: Finished difference Result 990 states and 1328 transitions. [2024-11-22 22:52:59,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:52:59,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-11-22 22:52:59,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:52:59,331 INFO L225 Difference]: With dead ends: 990 [2024-11-22 22:52:59,331 INFO L226 Difference]: Without dead ends: 989 [2024-11-22 22:52:59,331 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:52:59,332 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 114 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:52:59,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 118 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:52:59,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2024-11-22 22:52:59,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 988. [2024-11-22 22:52:59,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 988 states, 924 states have (on average 1.3831168831168832) internal successors, (1278), 963 states have internal predecessors, (1278), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:52:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 988 states and 1322 transitions. [2024-11-22 22:52:59,380 INFO L78 Accepts]: Start accepts. Automaton has 988 states and 1322 transitions. Word has length 40 [2024-11-22 22:52:59,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:52:59,381 INFO L471 AbstractCegarLoop]: Abstraction has 988 states and 1322 transitions. [2024-11-22 22:52:59,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:52:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1322 transitions. [2024-11-22 22:52:59,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-22 22:52:59,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:52:59,381 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:52:59,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-22 22:52:59,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:59,582 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:52:59,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:52:59,582 INFO L85 PathProgramCache]: Analyzing trace with hash -134043915, now seen corresponding path program 1 times [2024-11-22 22:52:59,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:52:59,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238759555] [2024-11-22 22:52:59,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:59,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:52:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:52:59,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [267687688] [2024-11-22 22:52:59,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:52:59,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:52:59,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:52:59,595 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:52:59,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-22 22:52:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:52:59,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-22 22:52:59,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:52:59,780 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:52:59,780 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:00,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:53:00,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:00,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238759555] [2024-11-22 22:53:00,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:00,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267687688] [2024-11-22 22:53:00,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267687688] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:53:00,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:53:00,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-22 22:53:00,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611301597] [2024-11-22 22:53:00,088 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:00,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:53:00,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:00,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:53:00,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:53:00,088 INFO L87 Difference]: Start difference. First operand 988 states and 1322 transitions. Second operand has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:53:02,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:02,170 INFO L93 Difference]: Finished difference Result 1054 states and 1407 transitions. [2024-11-22 22:53:02,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-22 22:53:02,171 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 42 [2024-11-22 22:53:02,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:02,173 INFO L225 Difference]: With dead ends: 1054 [2024-11-22 22:53:02,173 INFO L226 Difference]: Without dead ends: 1045 [2024-11-22 22:53:02,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=230, Invalid=472, Unknown=0, NotChecked=0, Total=702 [2024-11-22 22:53:02,174 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 528 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 811 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:02,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 193 Invalid, 811 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-22 22:53:02,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2024-11-22 22:53:02,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1019. [2024-11-22 22:53:02,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 955 states have (on average 1.3769633507853403) internal successors, (1315), 993 states have internal predecessors, (1315), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:53:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1359 transitions. [2024-11-22 22:53:02,234 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1359 transitions. Word has length 42 [2024-11-22 22:53:02,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:02,234 INFO L471 AbstractCegarLoop]: Abstraction has 1019 states and 1359 transitions. [2024-11-22 22:53:02,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.846153846153846) internal successors, (76), 14 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:53:02,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1359 transitions. [2024-11-22 22:53:02,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-22 22:53:02,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:02,235 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:02,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-22 22:53:02,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-22 22:53:02,435 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:53:02,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:02,436 INFO L85 PathProgramCache]: Analyzing trace with hash 32818391, now seen corresponding path program 1 times [2024-11-22 22:53:02,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:02,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8958252] [2024-11-22 22:53:02,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:02,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:02,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1777243264] [2024-11-22 22:53:02,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:02,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:02,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:02,447 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:02,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-22 22:53:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:02,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:53:02,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:53:02,696 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:03,250 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:53:03,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:03,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8958252] [2024-11-22 22:53:03,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:03,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777243264] [2024-11-22 22:53:03,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777243264] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:53:03,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-22 22:53:03,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-22 22:53:03,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561169480] [2024-11-22 22:53:03,250 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:03,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-22 22:53:03,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:03,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-22 22:53:03,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:53:03,251 INFO L87 Difference]: Start difference. First operand 1019 states and 1359 transitions. Second operand has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:53:07,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-22 22:53:09,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:09,795 INFO L93 Difference]: Finished difference Result 1044 states and 1386 transitions. [2024-11-22 22:53:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:53:09,796 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2024-11-22 22:53:09,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:09,798 INFO L225 Difference]: With dead ends: 1044 [2024-11-22 22:53:09,798 INFO L226 Difference]: Without dead ends: 1043 [2024-11-22 22:53:09,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2024-11-22 22:53:09,799 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 328 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:09,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 194 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 836 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-22 22:53:09,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2024-11-22 22:53:09,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1021. [2024-11-22 22:53:09,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 957 states have (on average 1.3730407523510972) internal successors, (1314), 995 states have internal predecessors, (1314), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:53:09,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1358 transitions. [2024-11-22 22:53:09,851 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1358 transitions. Word has length 44 [2024-11-22 22:53:09,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:09,852 INFO L471 AbstractCegarLoop]: Abstraction has 1021 states and 1358 transitions. [2024-11-22 22:53:09,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.153846153846154) internal successors, (80), 14 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:53:09,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1358 transitions. [2024-11-22 22:53:09,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-22 22:53:09,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:09,852 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:09,858 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-22 22:53:10,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-22 22:53:10,053 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:53:10,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:10,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1017370182, now seen corresponding path program 1 times [2024-11-22 22:53:10,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:10,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887035351] [2024-11-22 22:53:10,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:10,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:10,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1516269443] [2024-11-22 22:53:10,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:10,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:10,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:10,064 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:10,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-22 22:53:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:10,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:53:10,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:53:10,182 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:53:10,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:10,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887035351] [2024-11-22 22:53:10,182 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:10,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516269443] [2024-11-22 22:53:10,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516269443] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:53:10,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:53:10,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:53:10,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491703908] [2024-11-22 22:53:10,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:53:10,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:53:10,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:10,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:53:10,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:53:10,183 INFO L87 Difference]: Start difference. First operand 1021 states and 1358 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:53:10,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:10,581 INFO L93 Difference]: Finished difference Result 1039 states and 1365 transitions. [2024-11-22 22:53:10,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:53:10,581 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2024-11-22 22:53:10,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:10,583 INFO L225 Difference]: With dead ends: 1039 [2024-11-22 22:53:10,583 INFO L226 Difference]: Without dead ends: 1038 [2024-11-22 22:53:10,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:53:10,587 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 44 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:10,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 148 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:53:10,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2024-11-22 22:53:10,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1021. [2024-11-22 22:53:10,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 957 states have (on average 1.3667711598746082) internal successors, (1308), 995 states have internal predecessors, (1308), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:53:10,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1352 transitions. [2024-11-22 22:53:10,647 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1352 transitions. Word has length 45 [2024-11-22 22:53:10,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:10,647 INFO L471 AbstractCegarLoop]: Abstraction has 1021 states and 1352 transitions. [2024-11-22 22:53:10,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:53:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1352 transitions. [2024-11-22 22:53:10,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-22 22:53:10,648 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:10,648 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:10,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-22 22:53:10,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:10,848 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:53:10,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:10,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1473704633, now seen corresponding path program 1 times [2024-11-22 22:53:10,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:10,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859983155] [2024-11-22 22:53:10,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:10,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:10,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [155775457] [2024-11-22 22:53:10,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:10,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:10,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:10,860 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:10,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-22 22:53:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:10,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-22 22:53:10,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:53:11,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:11,754 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:53:11,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:11,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859983155] [2024-11-22 22:53:11,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:11,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155775457] [2024-11-22 22:53:11,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155775457] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-22 22:53:11,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:53:11,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 15 [2024-11-22 22:53:11,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689655950] [2024-11-22 22:53:11,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:53:11,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:53:11,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:11,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:53:11,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:53:11,756 INFO L87 Difference]: Start difference. First operand 1021 states and 1352 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:53:13,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:13,168 INFO L93 Difference]: Finished difference Result 1037 states and 1372 transitions. [2024-11-22 22:53:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:53:13,168 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 46 [2024-11-22 22:53:13,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:13,171 INFO L225 Difference]: With dead ends: 1037 [2024-11-22 22:53:13,171 INFO L226 Difference]: Without dead ends: 1036 [2024-11-22 22:53:13,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:53:13,171 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 48 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:13,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 156 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-22 22:53:13,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-11-22 22:53:13,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1000. [2024-11-22 22:53:13,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1000 states, 936 states have (on average 1.3707264957264957) internal successors, (1283), 974 states have internal predecessors, (1283), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-22 22:53:13,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1327 transitions. [2024-11-22 22:53:13,228 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1327 transitions. Word has length 46 [2024-11-22 22:53:13,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:13,229 INFO L471 AbstractCegarLoop]: Abstraction has 1000 states and 1327 transitions. [2024-11-22 22:53:13,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-22 22:53:13,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1327 transitions. [2024-11-22 22:53:13,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 22:53:13,229 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:13,229 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:13,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-22 22:53:13,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:13,430 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:53:13,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:13,430 INFO L85 PathProgramCache]: Analyzing trace with hash -405842526, now seen corresponding path program 1 times [2024-11-22 22:53:13,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:13,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36615041] [2024-11-22 22:53:13,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:13,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:53:13,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:13,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36615041] [2024-11-22 22:53:13,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36615041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:53:13,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:53:13,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-22 22:53:13,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520319433] [2024-11-22 22:53:13,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:53:13,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:53:13,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:13,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:53:13,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:53:13,585 INFO L87 Difference]: Start difference. First operand 1000 states and 1327 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:53:14,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:14,112 INFO L93 Difference]: Finished difference Result 1527 states and 2037 transitions. [2024-11-22 22:53:14,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:53:14,112 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2024-11-22 22:53:14,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:14,115 INFO L225 Difference]: With dead ends: 1527 [2024-11-22 22:53:14,115 INFO L226 Difference]: Without dead ends: 1200 [2024-11-22 22:53:14,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:53:14,115 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 251 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:14,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 268 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-22 22:53:14,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2024-11-22 22:53:14,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1162. [2024-11-22 22:53:14,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1093 states have (on average 1.3806038426349496) internal successors, (1509), 1131 states have internal predecessors, (1509), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-22 22:53:14,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1563 transitions. [2024-11-22 22:53:14,179 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1563 transitions. Word has length 52 [2024-11-22 22:53:14,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:14,179 INFO L471 AbstractCegarLoop]: Abstraction has 1162 states and 1563 transitions. [2024-11-22 22:53:14,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:53:14,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1563 transitions. [2024-11-22 22:53:14,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 22:53:14,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:14,180 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-22 22:53:14,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-22 22:53:14,180 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:53:14,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:14,180 INFO L85 PathProgramCache]: Analyzing trace with hash -392019503, now seen corresponding path program 1 times [2024-11-22 22:53:14,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:14,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171383316] [2024-11-22 22:53:14,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:14,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:14,213 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-22 22:53:14,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:14,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171383316] [2024-11-22 22:53:14,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171383316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:53:14,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:53:14,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:53:14,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281173988] [2024-11-22 22:53:14,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:53:14,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:53:14,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:14,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:53:14,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:53:14,215 INFO L87 Difference]: Start difference. First operand 1162 states and 1563 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:53:14,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:53:14,356 INFO L93 Difference]: Finished difference Result 1163 states and 1563 transitions. [2024-11-22 22:53:14,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:53:14,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 52 [2024-11-22 22:53:14,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:53:14,359 INFO L225 Difference]: With dead ends: 1163 [2024-11-22 22:53:14,359 INFO L226 Difference]: Without dead ends: 1160 [2024-11-22 22:53:14,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:53:14,359 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 44 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:53:14,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 104 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:53:14,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-22 22:53:14,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1159. [2024-11-22 22:53:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1159 states, 1093 states have (on average 1.3677950594693504) internal successors, (1495), 1128 states have internal predecessors, (1495), 27 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-22 22:53:14,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 1159 states and 1549 transitions. [2024-11-22 22:53:14,427 INFO L78 Accepts]: Start accepts. Automaton has 1159 states and 1549 transitions. Word has length 52 [2024-11-22 22:53:14,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:53:14,427 INFO L471 AbstractCegarLoop]: Abstraction has 1159 states and 1549 transitions. [2024-11-22 22:53:14,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:53:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 1549 transitions. [2024-11-22 22:53:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-22 22:53:14,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:53:14,428 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:53:14,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-22 22:53:14,428 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-22 22:53:14,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:53:14,428 INFO L85 PathProgramCache]: Analyzing trace with hash 718906359, now seen corresponding path program 1 times [2024-11-22 22:53:14,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:53:14,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807683577] [2024-11-22 22:53:14,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:14,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:53:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-22 22:53:14,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [741961548] [2024-11-22 22:53:14,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:53:14,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:53:14,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:53:14,440 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 22:53:14,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-22 22:53:14,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:53:14,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-22 22:53:14,482 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:53:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-22 22:53:28,525 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:53:29,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:53:29,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807683577] [2024-11-22 22:53:29,804 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-22 22:53:29,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741961548] [2024-11-22 22:53:29,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741961548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:53:29,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:53:29,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-22 22:53:29,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912038299] [2024-11-22 22:53:29,804 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-22 22:53:29,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-22 22:53:29,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:53:29,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-22 22:53:29,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=381, Unknown=3, NotChecked=0, Total=462 [2024-11-22 22:53:29,805 INFO L87 Difference]: Start difference. First operand 1159 states and 1549 transitions. Second operand has 15 states, 13 states have (on average 3.769230769230769) internal successors, (49), 15 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-22 22:53:33,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-22 22:53:37,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-22 22:53:41,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-22 22:53:45,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.85s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-22 22:53:47,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-22 22:53:51,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-22 22:53:56,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-22 22:54:00,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]