./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70ea356a4fda57b451264a060e40bb07db2fe648bea4e3256fcecf71a5a8e7b7 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:57:28,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:57:28,585 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 03:57:28,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:57:28,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:57:28,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:57:28,616 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:57:28,616 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:57:28,616 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:57:28,618 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:57:28,618 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:57:28,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:57:28,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:57:28,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:57:28,623 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:57:28,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:57:28,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:57:28,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:57:28,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:57:28,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:57:28,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:57:28,625 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:57:28,625 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:57:28,625 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:57:28,625 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:57:28,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:57:28,626 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:57:28,626 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:57:28,626 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:57:28,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:57:28,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:57:28,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:57:28,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:57:28,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:57:28,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:57:28,627 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:57:28,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:57:28,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:57:28,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:57:28,628 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:57:28,628 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:57:28,630 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70ea356a4fda57b451264a060e40bb07db2fe648bea4e3256fcecf71a5a8e7b7 [2024-11-17 03:57:28,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:57:28,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:57:28,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:57:28,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:57:28,859 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:57:28,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c [2024-11-17 03:57:30,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:57:30,293 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:57:30,293 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c [2024-11-17 03:57:30,300 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/411f9a8c6/f1ed6f1d3f8543c3b6d0c02b6a2d107f/FLAGa4ec2a88d [2024-11-17 03:57:30,707 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/411f9a8c6/f1ed6f1d3f8543c3b6d0c02b6a2d107f [2024-11-17 03:57:30,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:57:30,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:57:30,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:57:30,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:57:30,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:57:30,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:57:30" (1/1) ... [2024-11-17 03:57:30,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42665e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30, skipping insertion in model container [2024-11-17 03:57:30,723 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:57:30" (1/1) ... [2024-11-17 03:57:30,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:57:30,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:57:30,881 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:57:30,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:57:30,915 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:57:30,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30 WrapperNode [2024-11-17 03:57:30,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:57:30,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:57:30,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:57:30,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:57:30,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30" (1/1) ... [2024-11-17 03:57:30,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30" (1/1) ... [2024-11-17 03:57:30,938 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-11-17 03:57:30,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:57:30,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:57:30,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:57:30,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:57:30,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30" (1/1) ... [2024-11-17 03:57:30,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30" (1/1) ... [2024-11-17 03:57:30,947 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30" (1/1) ... [2024-11-17 03:57:30,951 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 03:57:30,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30" (1/1) ... [2024-11-17 03:57:30,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30" (1/1) ... [2024-11-17 03:57:30,953 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30" (1/1) ... [2024-11-17 03:57:30,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30" (1/1) ... [2024-11-17 03:57:30,954 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30" (1/1) ... [2024-11-17 03:57:30,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30" (1/1) ... [2024-11-17 03:57:30,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:57:30,956 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:57:30,956 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:57:30,956 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:57:30,957 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30" (1/1) ... [2024-11-17 03:57:30,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:57:30,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:30,985 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) [2024-11-17 03:57:30,988 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 [2024-11-17 03:57:31,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:57:31,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:57:31,091 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:57:31,093 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:57:31,174 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-17 03:57:31,174 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:57:31,183 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:57:31,184 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:57:31,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:57:31 BoogieIcfgContainer [2024-11-17 03:57:31,184 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:57:31,186 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:57:31,186 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:57:31,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:57:31,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:57:30" (1/3) ... [2024-11-17 03:57:31,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1d35e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:57:31, skipping insertion in model container [2024-11-17 03:57:31,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:57:30" (2/3) ... [2024-11-17 03:57:31,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1d35e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:57:31, skipping insertion in model container [2024-11-17 03:57:31,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:57:31" (3/3) ... [2024-11-17 03:57:31,192 INFO L112 eAbstractionObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c [2024-11-17 03:57:31,207 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:57:31,208 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 03:57:31,265 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:57:31,272 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;@ef0e2b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:57:31,273 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 03:57:31,277 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:57:31,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 03:57:31,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:31,282 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:57:31,283 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:31,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:31,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1757988520, now seen corresponding path program 1 times [2024-11-17 03:57:31,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:31,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112006761] [2024-11-17 03:57:31,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:31,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:31,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:31,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:31,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112006761] [2024-11-17 03:57:31,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112006761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:57:31,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:57:31,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:57:31,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679402820] [2024-11-17 03:57:31,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:57:31,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:57:31,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:31,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:57:31,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:57:31,499 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:57:31,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:31,555 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2024-11-17 03:57:31,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:57:31,557 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 03:57:31,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:31,562 INFO L225 Difference]: With dead ends: 47 [2024-11-17 03:57:31,563 INFO L226 Difference]: Without dead ends: 35 [2024-11-17 03:57:31,565 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 [2024-11-17 03:57:31,567 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 12 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:31,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 41 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:57:31,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-17 03:57:31,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2024-11-17 03:57:31,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 25 states have (on average 1.44) internal successors, (36), 30 states have internal predecessors, (36), 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) [2024-11-17 03:57:31,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2024-11-17 03:57:31,591 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 7 [2024-11-17 03:57:31,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:31,591 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2024-11-17 03:57:31,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:57:31,592 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2024-11-17 03:57:31,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 03:57:31,592 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:31,592 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:57:31,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:57:31,593 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:31,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:31,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1336930713, now seen corresponding path program 1 times [2024-11-17 03:57:31,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:31,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833334084] [2024-11-17 03:57:31,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:31,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:31,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:31,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:31,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833334084] [2024-11-17 03:57:31,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833334084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:57:31,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:57:31,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:57:31,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723107170] [2024-11-17 03:57:31,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:57:31,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:57:31,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:31,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:57:31,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:57:31,630 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:57:31,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:31,656 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions. [2024-11-17 03:57:31,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:57:31,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-17 03:57:31,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:31,657 INFO L225 Difference]: With dead ends: 54 [2024-11-17 03:57:31,657 INFO L226 Difference]: Without dead ends: 52 [2024-11-17 03:57:31,657 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 [2024-11-17 03:57:31,658 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 9 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:31,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 25 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:57:31,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-17 03:57:31,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2024-11-17 03:57:31,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 47 states have internal predecessors, (59), 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) [2024-11-17 03:57:31,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 59 transitions. [2024-11-17 03:57:31,669 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 59 transitions. Word has length 8 [2024-11-17 03:57:31,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:31,669 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 59 transitions. [2024-11-17 03:57:31,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:57:31,671 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 59 transitions. [2024-11-17 03:57:31,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 03:57:31,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:31,671 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:57:31,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:57:31,672 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:31,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:31,674 INFO L85 PathProgramCache]: Analyzing trace with hash 595193169, now seen corresponding path program 1 times [2024-11-17 03:57:31,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:31,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496475765] [2024-11-17 03:57:31,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:31,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:31,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:31,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496475765] [2024-11-17 03:57:31,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496475765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:57:31,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:57:31,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:57:31,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997354071] [2024-11-17 03:57:31,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:57:31,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:57:31,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:31,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:57:31,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:57:31,730 INFO L87 Difference]: Start difference. First operand 48 states and 59 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:57:31,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:31,744 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2024-11-17 03:57:31,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:57:31,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-17 03:57:31,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:31,747 INFO L225 Difference]: With dead ends: 48 [2024-11-17 03:57:31,747 INFO L226 Difference]: Without dead ends: 47 [2024-11-17 03:57:31,747 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 [2024-11-17 03:57:31,748 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 10 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:31,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 18 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:57:31,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-17 03:57:31,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-17 03:57:31,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 46 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:57:31,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2024-11-17 03:57:31,755 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 10 [2024-11-17 03:57:31,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:31,756 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2024-11-17 03:57:31,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:57:31,756 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2024-11-17 03:57:31,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 03:57:31,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:31,757 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:57:31,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:57:31,757 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:31,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:31,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1271119029, now seen corresponding path program 1 times [2024-11-17 03:57:31,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:31,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781205067] [2024-11-17 03:57:31,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:31,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:31,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:31,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:31,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781205067] [2024-11-17 03:57:31,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781205067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:57:31,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:57:31,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:57:31,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425506118] [2024-11-17 03:57:31,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:57:31,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:57:31,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:31,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:57:31,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:57:31,800 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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) [2024-11-17 03:57:31,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:31,817 INFO L93 Difference]: Finished difference Result 57 states and 67 transitions. [2024-11-17 03:57:31,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:57:31,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 [2024-11-17 03:57:31,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:31,818 INFO L225 Difference]: With dead ends: 57 [2024-11-17 03:57:31,818 INFO L226 Difference]: Without dead ends: 56 [2024-11-17 03:57:31,819 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 [2024-11-17 03:57:31,820 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 5 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:31,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 32 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:57:31,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-17 03:57:31,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2024-11-17 03:57:31,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 53 states have internal predecessors, (63), 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) [2024-11-17 03:57:31,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2024-11-17 03:57:31,828 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 11 [2024-11-17 03:57:31,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:31,828 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2024-11-17 03:57:31,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-17 03:57:31,832 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2024-11-17 03:57:31,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 03:57:31,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:31,833 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:57:31,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 03:57:31,833 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:31,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:31,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1735418899, now seen corresponding path program 1 times [2024-11-17 03:57:31,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:31,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586075820] [2024-11-17 03:57:31,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:31,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:31,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:31,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:31,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586075820] [2024-11-17 03:57:31,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586075820] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:31,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [732005834] [2024-11-17 03:57:31,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:31,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:31,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:31,923 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) [2024-11-17 03:57:31,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 03:57:31,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:31,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:57:31,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:32,028 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:32,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:32,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [732005834] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:32,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:32,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:57:32,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786872153] [2024-11-17 03:57:32,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:32,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:57:32,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:32,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:57:32,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:57:32,092 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2024-11-17 03:57:32,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:32,163 INFO L93 Difference]: Finished difference Result 135 states and 172 transitions. [2024-11-17 03:57:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:57:32,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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 16 [2024-11-17 03:57:32,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:32,170 INFO L225 Difference]: With dead ends: 135 [2024-11-17 03:57:32,170 INFO L226 Difference]: Without dead ends: 133 [2024-11-17 03:57:32,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:57:32,171 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 29 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:32,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 56 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:57:32,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-17 03:57:32,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 111. [2024-11-17 03:57:32,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 106 states have (on average 1.2735849056603774) internal successors, (135), 110 states have internal predecessors, (135), 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) [2024-11-17 03:57:32,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 135 transitions. [2024-11-17 03:57:32,180 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 135 transitions. Word has length 16 [2024-11-17 03:57:32,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:32,180 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 135 transitions. [2024-11-17 03:57:32,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2024-11-17 03:57:32,181 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 135 transitions. [2024-11-17 03:57:32,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 03:57:32,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:32,181 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:57:32,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 03:57:32,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:32,386 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:32,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:32,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1702195164, now seen corresponding path program 1 times [2024-11-17 03:57:32,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:32,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800351377] [2024-11-17 03:57:32,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:32,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:32,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:32,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:32,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800351377] [2024-11-17 03:57:32,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800351377] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:32,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29968344] [2024-11-17 03:57:32,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:32,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:32,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:32,454 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) [2024-11-17 03:57:32,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 03:57:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:32,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:57:32,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:32,513 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:32,513 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:32,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:32,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29968344] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:32,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:32,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:57:32,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226355161] [2024-11-17 03:57:32,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:32,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:57:32,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:32,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:57:32,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:57:32,550 INFO L87 Difference]: Start difference. First operand 111 states and 135 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2024-11-17 03:57:32,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:32,611 INFO L93 Difference]: Finished difference Result 227 states and 291 transitions. [2024-11-17 03:57:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:57:32,612 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), 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 17 [2024-11-17 03:57:32,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:32,613 INFO L225 Difference]: With dead ends: 227 [2024-11-17 03:57:32,613 INFO L226 Difference]: Without dead ends: 225 [2024-11-17 03:57:32,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:57:32,614 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 29 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:32,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 39 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:57:32,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-17 03:57:32,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 142. [2024-11-17 03:57:32,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 138 states have (on average 1.2391304347826086) internal successors, (171), 141 states have internal predecessors, (171), 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) [2024-11-17 03:57:32,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 171 transitions. [2024-11-17 03:57:32,628 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 171 transitions. Word has length 17 [2024-11-17 03:57:32,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:32,628 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 171 transitions. [2024-11-17 03:57:32,629 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), 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) [2024-11-17 03:57:32,629 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 171 transitions. [2024-11-17 03:57:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 03:57:32,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:32,629 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 03:57:32,642 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 03:57:32,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-17 03:57:32,834 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:32,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:32,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1313787082, now seen corresponding path program 1 times [2024-11-17 03:57:32,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:32,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243774916] [2024-11-17 03:57:32,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:32,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:32,872 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:32,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:32,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243774916] [2024-11-17 03:57:32,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243774916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:32,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942240421] [2024-11-17 03:57:32,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:32,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:32,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:32,874 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) [2024-11-17 03:57:32,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 03:57:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:32,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:57:32,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:32,940 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:32,968 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:32,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942240421] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:32,968 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:32,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:57:32,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69540448] [2024-11-17 03:57:32,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:32,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:57:32,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:32,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:57:32,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:57:32,970 INFO L87 Difference]: Start difference. First operand 142 states and 171 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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) [2024-11-17 03:57:33,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:33,003 INFO L93 Difference]: Finished difference Result 304 states and 365 transitions. [2024-11-17 03:57:33,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:57:33,004 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), 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 20 [2024-11-17 03:57:33,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:33,005 INFO L225 Difference]: With dead ends: 304 [2024-11-17 03:57:33,005 INFO L226 Difference]: Without dead ends: 303 [2024-11-17 03:57:33,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:57:33,006 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 37 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:33,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 60 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:57:33,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-17 03:57:33,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 301. [2024-11-17 03:57:33,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 297 states have (on average 1.1616161616161615) internal successors, (345), 300 states have internal predecessors, (345), 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) [2024-11-17 03:57:33,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 345 transitions. [2024-11-17 03:57:33,024 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 345 transitions. Word has length 20 [2024-11-17 03:57:33,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:33,025 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 345 transitions. [2024-11-17 03:57:33,025 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), 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) [2024-11-17 03:57:33,025 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 345 transitions. [2024-11-17 03:57:33,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-17 03:57:33,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:33,026 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-17 03:57:33,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 03:57:33,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:33,232 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:33,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:33,232 INFO L85 PathProgramCache]: Analyzing trace with hash -593361229, now seen corresponding path program 1 times [2024-11-17 03:57:33,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:33,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414696208] [2024-11-17 03:57:33,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:33,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:33,289 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:33,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:33,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414696208] [2024-11-17 03:57:33,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414696208] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:33,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213907685] [2024-11-17 03:57:33,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:33,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:33,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:33,293 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) [2024-11-17 03:57:33,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 03:57:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:33,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:57:33,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:33,362 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:33,362 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:33,412 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:33,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213907685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:33,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:33,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-17 03:57:33,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389512983] [2024-11-17 03:57:33,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:33,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 03:57:33,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:33,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 03:57:33,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:57:33,415 INFO L87 Difference]: Start difference. First operand 301 states and 345 transitions. Second operand has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 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) [2024-11-17 03:57:33,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:33,485 INFO L93 Difference]: Finished difference Result 588 states and 704 transitions. [2024-11-17 03:57:33,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:57:33,485 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 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 26 [2024-11-17 03:57:33,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:33,487 INFO L225 Difference]: With dead ends: 588 [2024-11-17 03:57:33,487 INFO L226 Difference]: Without dead ends: 587 [2024-11-17 03:57:33,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:57:33,488 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 64 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:33,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 64 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:57:33,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-17 03:57:33,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 493. [2024-11-17 03:57:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 489 states have (on average 1.1840490797546013) internal successors, (579), 492 states have internal predecessors, (579), 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) [2024-11-17 03:57:33,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 579 transitions. [2024-11-17 03:57:33,516 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 579 transitions. Word has length 26 [2024-11-17 03:57:33,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:33,516 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 579 transitions. [2024-11-17 03:57:33,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.142857142857143) internal successors, (50), 8 states have internal predecessors, (50), 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) [2024-11-17 03:57:33,516 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 579 transitions. [2024-11-17 03:57:33,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 03:57:33,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:33,518 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-11-17 03:57:33,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 03:57:33,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:33,719 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:33,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:33,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1163313304, now seen corresponding path program 2 times [2024-11-17 03:57:33,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:33,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53904618] [2024-11-17 03:57:33,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:33,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:33,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:33,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53904618] [2024-11-17 03:57:33,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53904618] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:33,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395586444] [2024-11-17 03:57:33,852 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:57:33,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:33,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:33,853 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) [2024-11-17 03:57:33,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 03:57:33,885 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:57:33,885 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:57:33,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 03:57:33,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:33,942 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:34,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395586444] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:34,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:34,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-17 03:57:34,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185717193] [2024-11-17 03:57:34,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:34,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:57:34,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:34,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:57:34,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:57:34,034 INFO L87 Difference]: Start difference. First operand 493 states and 579 transitions. Second operand has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 12 states have internal predecessors, (84), 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) [2024-11-17 03:57:34,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:34,136 INFO L93 Difference]: Finished difference Result 1288 states and 1612 transitions. [2024-11-17 03:57:34,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 03:57:34,137 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 12 states have internal predecessors, (84), 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 43 [2024-11-17 03:57:34,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:34,140 INFO L225 Difference]: With dead ends: 1288 [2024-11-17 03:57:34,140 INFO L226 Difference]: Without dead ends: 1286 [2024-11-17 03:57:34,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:57:34,141 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 97 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:34,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 106 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:57:34,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2024-11-17 03:57:34,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 855. [2024-11-17 03:57:34,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 851 states have (on average 1.191539365452409) internal successors, (1014), 854 states have internal predecessors, (1014), 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) [2024-11-17 03:57:34,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1014 transitions. [2024-11-17 03:57:34,164 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1014 transitions. Word has length 43 [2024-11-17 03:57:34,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:34,165 INFO L471 AbstractCegarLoop]: Abstraction has 855 states and 1014 transitions. [2024-11-17 03:57:34,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 12 states have internal predecessors, (84), 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) [2024-11-17 03:57:34,165 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1014 transitions. [2024-11-17 03:57:34,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-17 03:57:34,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:34,167 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2024-11-17 03:57:34,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 03:57:34,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:34,372 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:34,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:34,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1145938933, now seen corresponding path program 2 times [2024-11-17 03:57:34,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:34,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25025208] [2024-11-17 03:57:34,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:34,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:34,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:34,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25025208] [2024-11-17 03:57:34,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25025208] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:34,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384869237] [2024-11-17 03:57:34,466 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:57:34,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:34,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:34,469 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) [2024-11-17 03:57:34,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 03:57:34,504 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:57:34,505 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:57:34,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 03:57:34,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:34,551 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:34,551 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:34,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384869237] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:34,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:34,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-17 03:57:34,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125553762] [2024-11-17 03:57:34,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:34,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:57:34,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:34,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:57:34,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:57:34,648 INFO L87 Difference]: Start difference. First operand 855 states and 1014 transitions. Second operand has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 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) [2024-11-17 03:57:34,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:34,759 INFO L93 Difference]: Finished difference Result 2480 states and 2971 transitions. [2024-11-17 03:57:34,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 03:57:34,759 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 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 47 [2024-11-17 03:57:34,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:34,766 INFO L225 Difference]: With dead ends: 2480 [2024-11-17 03:57:34,766 INFO L226 Difference]: Without dead ends: 2479 [2024-11-17 03:57:34,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:57:34,767 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 95 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:34,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 128 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:57:34,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2479 states. [2024-11-17 03:57:34,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2479 to 2475. [2024-11-17 03:57:34,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2471 states have (on average 1.1286928369081344) internal successors, (2789), 2474 states have internal predecessors, (2789), 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) [2024-11-17 03:57:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 2789 transitions. [2024-11-17 03:57:34,832 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 2789 transitions. Word has length 47 [2024-11-17 03:57:34,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:34,832 INFO L471 AbstractCegarLoop]: Abstraction has 2475 states and 2789 transitions. [2024-11-17 03:57:34,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 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) [2024-11-17 03:57:34,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 2789 transitions. [2024-11-17 03:57:34,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-17 03:57:34,834 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:34,834 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1] [2024-11-17 03:57:34,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 03:57:35,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:35,035 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:35,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:35,036 INFO L85 PathProgramCache]: Analyzing trace with hash -318679181, now seen corresponding path program 2 times [2024-11-17 03:57:35,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:35,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532580120] [2024-11-17 03:57:35,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:35,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:35,162 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:35,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:35,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532580120] [2024-11-17 03:57:35,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532580120] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:35,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654013327] [2024-11-17 03:57:35,163 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:57:35,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:35,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:35,164 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) [2024-11-17 03:57:35,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 03:57:35,197 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:57:35,198 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:57:35,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 03:57:35,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:35,261 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:35,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654013327] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:35,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:35,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-17 03:57:35,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820602327] [2024-11-17 03:57:35,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:35,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 03:57:35,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:35,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 03:57:35,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-17 03:57:35,408 INFO L87 Difference]: Start difference. First operand 2475 states and 2789 transitions. Second operand has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 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) [2024-11-17 03:57:35,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:35,572 INFO L93 Difference]: Finished difference Result 5148 states and 5971 transitions. [2024-11-17 03:57:35,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 03:57:35,572 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 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 62 [2024-11-17 03:57:35,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:35,586 INFO L225 Difference]: With dead ends: 5148 [2024-11-17 03:57:35,587 INFO L226 Difference]: Without dead ends: 5147 [2024-11-17 03:57:35,589 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-17 03:57:35,590 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 112 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:35,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 136 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:57:35,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5147 states. [2024-11-17 03:57:35,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5147 to 3135. [2024-11-17 03:57:35,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3135 states, 3131 states have (on average 1.141168955605238) internal successors, (3573), 3134 states have internal predecessors, (3573), 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) [2024-11-17 03:57:35,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 3135 states and 3573 transitions. [2024-11-17 03:57:35,731 INFO L78 Accepts]: Start accepts. Automaton has 3135 states and 3573 transitions. Word has length 62 [2024-11-17 03:57:35,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:35,732 INFO L471 AbstractCegarLoop]: Abstraction has 3135 states and 3573 transitions. [2024-11-17 03:57:35,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 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) [2024-11-17 03:57:35,733 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 3573 transitions. [2024-11-17 03:57:35,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-17 03:57:35,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:35,737 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-11-17 03:57:35,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 03:57:35,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:35,938 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:35,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:35,938 INFO L85 PathProgramCache]: Analyzing trace with hash 2108825464, now seen corresponding path program 3 times [2024-11-17 03:57:35,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:35,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841244496] [2024-11-17 03:57:35,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:35,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:35,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:36,099 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:36,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:36,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841244496] [2024-11-17 03:57:36,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841244496] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:36,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527793835] [2024-11-17 03:57:36,100 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:57:36,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:36,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:36,102 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) [2024-11-17 03:57:36,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 03:57:36,145 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-17 03:57:36,145 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:57:36,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 03:57:36,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:36,257 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:36,258 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:36,522 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:36,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527793835] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:36,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:36,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-17 03:57:36,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007480707] [2024-11-17 03:57:36,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:36,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 03:57:36,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:36,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 03:57:36,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-17 03:57:36,525 INFO L87 Difference]: Start difference. First operand 3135 states and 3573 transitions. Second operand has 24 states, 23 states have (on average 8.347826086956522) internal successors, (192), 24 states have internal predecessors, (192), 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) [2024-11-17 03:57:36,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:36,773 INFO L93 Difference]: Finished difference Result 8393 states and 10169 transitions. [2024-11-17 03:57:36,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 03:57:36,774 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.347826086956522) internal successors, (192), 24 states have internal predecessors, (192), 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 97 [2024-11-17 03:57:36,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:36,794 INFO L225 Difference]: With dead ends: 8393 [2024-11-17 03:57:36,794 INFO L226 Difference]: Without dead ends: 8391 [2024-11-17 03:57:36,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-17 03:57:36,799 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 236 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:36,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 212 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:57:36,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8391 states. [2024-11-17 03:57:36,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8391 to 4690. [2024-11-17 03:57:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4690 states, 4686 states have (on average 1.1547161758429365) internal successors, (5411), 4689 states have internal predecessors, (5411), 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) [2024-11-17 03:57:36,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4690 states to 4690 states and 5411 transitions. [2024-11-17 03:57:36,930 INFO L78 Accepts]: Start accepts. Automaton has 4690 states and 5411 transitions. Word has length 97 [2024-11-17 03:57:36,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:36,930 INFO L471 AbstractCegarLoop]: Abstraction has 4690 states and 5411 transitions. [2024-11-17 03:57:36,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.347826086956522) internal successors, (192), 24 states have internal predecessors, (192), 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) [2024-11-17 03:57:36,931 INFO L276 IsEmpty]: Start isEmpty. Operand 4690 states and 5411 transitions. [2024-11-17 03:57:36,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-17 03:57:36,934 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:36,934 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 10, 10, 1, 1, 1, 1] [2024-11-17 03:57:36,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 03:57:37,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-17 03:57:37,135 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:37,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:37,135 INFO L85 PathProgramCache]: Analyzing trace with hash 270439125, now seen corresponding path program 3 times [2024-11-17 03:57:37,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:37,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552624989] [2024-11-17 03:57:37,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:37,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:37,312 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:37,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:37,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552624989] [2024-11-17 03:57:37,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552624989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:37,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928729714] [2024-11-17 03:57:37,313 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:57:37,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:37,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:37,315 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) [2024-11-17 03:57:37,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 03:57:37,362 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-17 03:57:37,363 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:57:37,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 03:57:37,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:37,455 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:37,456 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:37,689 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:37,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928729714] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:37,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:37,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-17 03:57:37,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572538679] [2024-11-17 03:57:37,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:37,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 03:57:37,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:37,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 03:57:37,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-17 03:57:37,691 INFO L87 Difference]: Start difference. First operand 4690 states and 5411 transitions. Second operand has 24 states, 23 states have (on average 8.695652173913043) internal successors, (200), 24 states have internal predecessors, (200), 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) [2024-11-17 03:57:38,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:38,111 INFO L93 Difference]: Finished difference Result 18445 states and 21777 transitions. [2024-11-17 03:57:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 03:57:38,111 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.695652173913043) internal successors, (200), 24 states have internal predecessors, (200), 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 101 [2024-11-17 03:57:38,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:38,153 INFO L225 Difference]: With dead ends: 18445 [2024-11-17 03:57:38,156 INFO L226 Difference]: Without dead ends: 18444 [2024-11-17 03:57:38,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2024-11-17 03:57:38,165 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 299 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:38,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 232 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:57:38,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18444 states. [2024-11-17 03:57:38,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18444 to 18436. [2024-11-17 03:57:38,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18436 states, 18432 states have (on average 1.1076931423611112) internal successors, (20417), 18435 states have internal predecessors, (20417), 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) [2024-11-17 03:57:38,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18436 states to 18436 states and 20417 transitions. [2024-11-17 03:57:38,738 INFO L78 Accepts]: Start accepts. Automaton has 18436 states and 20417 transitions. Word has length 101 [2024-11-17 03:57:38,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:38,738 INFO L471 AbstractCegarLoop]: Abstraction has 18436 states and 20417 transitions. [2024-11-17 03:57:38,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.695652173913043) internal successors, (200), 24 states have internal predecessors, (200), 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) [2024-11-17 03:57:38,739 INFO L276 IsEmpty]: Start isEmpty. Operand 18436 states and 20417 transitions. [2024-11-17 03:57:38,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-17 03:57:38,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:38,747 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1] [2024-11-17 03:57:38,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 03:57:38,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-17 03:57:38,948 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:38,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:38,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1951652083, now seen corresponding path program 3 times [2024-11-17 03:57:38,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:38,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865857492] [2024-11-17 03:57:38,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:38,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:39,214 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 0 proven. 889 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:39,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:39,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865857492] [2024-11-17 03:57:39,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865857492] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:39,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274742764] [2024-11-17 03:57:39,214 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:57:39,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:39,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:39,216 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) [2024-11-17 03:57:39,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 03:57:39,265 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-11-17 03:57:39,266 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:57:39,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 03:57:39,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 0 proven. 889 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:39,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 889 backedges. 0 proven. 889 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:39,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274742764] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:39,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:39,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2024-11-17 03:57:39,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966018601] [2024-11-17 03:57:39,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:39,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-17 03:57:39,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:39,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-17 03:57:39,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-17 03:57:39,800 INFO L87 Difference]: Start difference. First operand 18436 states and 20417 transitions. Second operand has 32 states, 31 states have (on average 8.580645161290322) internal successors, (266), 32 states have internal predecessors, (266), 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) [2024-11-17 03:57:40,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:40,642 INFO L93 Difference]: Finished difference Result 43436 states and 49188 transitions. [2024-11-17 03:57:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-17 03:57:40,643 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 8.580645161290322) internal successors, (266), 32 states have internal predecessors, (266), 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 134 [2024-11-17 03:57:40,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:40,711 INFO L225 Difference]: With dead ends: 43436 [2024-11-17 03:57:40,711 INFO L226 Difference]: Without dead ends: 43435 [2024-11-17 03:57:40,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2024-11-17 03:57:40,727 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 288 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:40,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 264 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:57:40,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43435 states. [2024-11-17 03:57:41,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43435 to 21208. [2024-11-17 03:57:41,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21208 states, 21204 states have (on average 1.11521411054518) internal successors, (23647), 21207 states have internal predecessors, (23647), 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) [2024-11-17 03:57:41,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21208 states to 21208 states and 23647 transitions. [2024-11-17 03:57:41,609 INFO L78 Accepts]: Start accepts. Automaton has 21208 states and 23647 transitions. Word has length 134 [2024-11-17 03:57:41,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:41,609 INFO L471 AbstractCegarLoop]: Abstraction has 21208 states and 23647 transitions. [2024-11-17 03:57:41,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 8.580645161290322) internal successors, (266), 32 states have internal predecessors, (266), 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) [2024-11-17 03:57:41,610 INFO L276 IsEmpty]: Start isEmpty. Operand 21208 states and 23647 transitions. [2024-11-17 03:57:41,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-17 03:57:41,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:41,633 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2024-11-17 03:57:41,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 03:57:41,833 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,SelfDestructingSolverStorable13 [2024-11-17 03:57:41,834 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:41,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:41,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1863375560, now seen corresponding path program 4 times [2024-11-17 03:57:41,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:41,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799123963] [2024-11-17 03:57:41,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:41,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:42,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2167 backedges. 0 proven. 2167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:42,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:42,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799123963] [2024-11-17 03:57:42,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799123963] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:42,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769892472] [2024-11-17 03:57:42,437 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 03:57:42,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:42,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:42,440 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) [2024-11-17 03:57:42,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 03:57:42,499 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 03:57:42,499 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:57:42,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 03:57:42,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:42,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2167 backedges. 0 proven. 2167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:42,709 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2167 backedges. 0 proven. 2167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:43,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769892472] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:43,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:43,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-17 03:57:43,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139000171] [2024-11-17 03:57:43,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:43,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-17 03:57:43,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:43,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-17 03:57:43,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 03:57:43,362 INFO L87 Difference]: Start difference. First operand 21208 states and 23647 transitions. Second operand has 48 states, 47 states have (on average 8.680851063829786) internal successors, (408), 48 states have internal predecessors, (408), 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) [2024-11-17 03:57:44,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:44,559 INFO L93 Difference]: Finished difference Result 60204 states and 70833 transitions. [2024-11-17 03:57:44,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-17 03:57:44,559 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 8.680851063829786) internal successors, (408), 48 states have internal predecessors, (408), 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 205 [2024-11-17 03:57:44,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:44,664 INFO L225 Difference]: With dead ends: 60204 [2024-11-17 03:57:44,664 INFO L226 Difference]: Without dead ends: 60202 [2024-11-17 03:57:44,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 03:57:44,682 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 487 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:44,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 439 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 03:57:44,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60202 states. [2024-11-17 03:57:45,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60202 to 27918. [2024-11-17 03:57:45,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27918 states, 27914 states have (on average 1.128036110912087) internal successors, (31488), 27917 states have internal predecessors, (31488), 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) [2024-11-17 03:57:45,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27918 states to 27918 states and 31488 transitions. [2024-11-17 03:57:45,903 INFO L78 Accepts]: Start accepts. Automaton has 27918 states and 31488 transitions. Word has length 205 [2024-11-17 03:57:45,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:45,904 INFO L471 AbstractCegarLoop]: Abstraction has 27918 states and 31488 transitions. [2024-11-17 03:57:45,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 8.680851063829786) internal successors, (408), 48 states have internal predecessors, (408), 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) [2024-11-17 03:57:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 27918 states and 31488 transitions. [2024-11-17 03:57:45,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-17 03:57:45,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:45,926 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 22, 22, 1, 1, 1, 1] [2024-11-17 03:57:45,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 03:57:46,127 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,SelfDestructingSolverStorable14 [2024-11-17 03:57:46,127 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:46,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:46,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1914521451, now seen corresponding path program 4 times [2024-11-17 03:57:46,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:46,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919464795] [2024-11-17 03:57:46,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:46,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:46,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2255 backedges. 0 proven. 2255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:46,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:46,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919464795] [2024-11-17 03:57:46,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919464795] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:46,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203004411] [2024-11-17 03:57:46,556 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 03:57:46,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:46,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:46,558 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) [2024-11-17 03:57:46,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 03:57:46,613 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 03:57:46,613 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:57:46,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 03:57:46,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:46,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2255 backedges. 0 proven. 2255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:46,788 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:47,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2255 backedges. 0 proven. 2255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:47,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203004411] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:47,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:47,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-17 03:57:47,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27361600] [2024-11-17 03:57:47,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:47,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-17 03:57:47,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:47,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-17 03:57:47,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 03:57:47,394 INFO L87 Difference]: Start difference. First operand 27918 states and 31488 transitions. Second operand has 48 states, 47 states have (on average 8.851063829787234) internal successors, (416), 48 states have internal predecessors, (416), 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) [2024-11-17 03:57:51,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:51,345 INFO L93 Difference]: Finished difference Result 142201 states and 166264 transitions. [2024-11-17 03:57:51,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-17 03:57:51,346 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 8.851063829787234) internal successors, (416), 48 states have internal predecessors, (416), 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 209 [2024-11-17 03:57:51,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:51,510 INFO L225 Difference]: With dead ends: 142201 [2024-11-17 03:57:51,510 INFO L226 Difference]: Without dead ends: 142200 [2024-11-17 03:57:51,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 03:57:51,534 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 627 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:51,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [627 Valid, 474 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:57:51,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142200 states. [2024-11-17 03:57:56,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142200 to 142184. [2024-11-17 03:57:56,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142184 states, 142180 states have (on average 1.095941763961176) internal successors, (155821), 142183 states have internal predecessors, (155821), 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) [2024-11-17 03:57:57,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142184 states to 142184 states and 155821 transitions. [2024-11-17 03:57:57,166 INFO L78 Accepts]: Start accepts. Automaton has 142184 states and 155821 transitions. Word has length 209 [2024-11-17 03:57:57,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:57,167 INFO L471 AbstractCegarLoop]: Abstraction has 142184 states and 155821 transitions. [2024-11-17 03:57:57,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 8.851063829787234) internal successors, (416), 48 states have internal predecessors, (416), 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) [2024-11-17 03:57:57,167 INFO L276 IsEmpty]: Start isEmpty. Operand 142184 states and 155821 transitions. [2024-11-17 03:57:57,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2024-11-17 03:57:57,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:57,221 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 30, 30, 30, 30, 30, 1, 1, 1, 1] [2024-11-17 03:57:57,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 03:57:57,424 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,SelfDestructingSolverStorable15 [2024-11-17 03:57:57,425 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 03:57:57,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:57,425 INFO L85 PathProgramCache]: Analyzing trace with hash 914906099, now seen corresponding path program 4 times [2024-11-17 03:57:57,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:57,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922126279] [2024-11-17 03:57:57,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:57,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:58,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4065 backedges. 0 proven. 4065 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:58,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:58,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922126279] [2024-11-17 03:57:58,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922126279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:58,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245089934] [2024-11-17 03:57:58,422 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 03:57:58,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:58,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:58,424 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) [2024-11-17 03:57:58,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 03:57:58,491 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 03:57:58,492 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:57:58,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-17 03:57:58,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4065 backedges. 0 proven. 4065 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:58,739 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:59,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4065 backedges. 0 proven. 4065 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:59,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245089934] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:59,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:59,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 63 [2024-11-17 03:57:59,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051714910] [2024-11-17 03:57:59,922 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:59,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-11-17 03:57:59,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:59,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-11-17 03:57:59,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-11-17 03:57:59,925 INFO L87 Difference]: Start difference. First operand 142184 states and 155821 transitions. Second operand has 64 states, 63 states have (on average 8.793650793650794) internal successors, (554), 64 states have internal predecessors, (554), 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) [2024-11-17 03:58:10,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:58:10,150 INFO L93 Difference]: Finished difference Result 435692 states and 484758 transitions. [2024-11-17 03:58:10,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-11-17 03:58:10,151 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 8.793650793650794) internal successors, (554), 64 states have internal predecessors, (554), 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 278 [2024-11-17 03:58:10,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:58:10,866 INFO L225 Difference]: With dead ends: 435692 [2024-11-17 03:58:10,866 INFO L226 Difference]: Without dead ends: 435691 [2024-11-17 03:58:10,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 524 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2024-11-17 03:58:10,956 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 1048 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1048 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 03:58:10,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1048 Valid, 516 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 03:58:11,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435691 states.