./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.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/AliasDarteFeautrierGonnord-SAS2010-random2d.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 1978406b317087fc6936fcfda9d4ee773e4c87c61c4595e0ff4751e61b0b216a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:56:37,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:56:37,433 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 03:56:37,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:56:37,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:56:37,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:56:37,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:56:37,475 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:56:37,475 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:56:37,479 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:56:37,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:56:37,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:56:37,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:56:37,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:56:37,481 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:56:37,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:56:37,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:56:37,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:56:37,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:56:37,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:56:37,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:56:37,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:56:37,485 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:56:37,486 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:56:37,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:56:37,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:56:37,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:56:37,487 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:56:37,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:56:37,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:56:37,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:56:37,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:56:37,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:56:37,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:56:37,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:56:37,500 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:56:37,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:56:37,500 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:56:37,501 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:56:37,501 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:56:37,501 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:56:37,503 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1978406b317087fc6936fcfda9d4ee773e4c87c61c4595e0ff4751e61b0b216a [2024-11-17 03:56:37,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:56:37,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:56:37,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:56:37,784 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:56:37,785 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:56:37,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c [2024-11-17 03:56:39,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:56:39,542 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:56:39,542 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c [2024-11-17 03:56:39,549 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16643176a/98fd32e276144c238aabcafae34fd65e/FLAG045dbf7ed [2024-11-17 03:56:39,562 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16643176a/98fd32e276144c238aabcafae34fd65e [2024-11-17 03:56:39,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:56:39,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:56:39,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:56:39,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:56:39,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:56:39,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:56:39" (1/1) ... [2024-11-17 03:56:39,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea58d5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39, skipping insertion in model container [2024-11-17 03:56:39,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:56:39" (1/1) ... [2024-11-17 03:56:39,590 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:56:39,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:56:39,765 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:56:39,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:56:39,787 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:56:39,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39 WrapperNode [2024-11-17 03:56:39,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:56:39,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:56:39,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:56:39,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:56:39,797 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39" (1/1) ... [2024-11-17 03:56:39,801 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39" (1/1) ... [2024-11-17 03:56:39,821 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2024-11-17 03:56:39,821 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:56:39,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:56:39,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:56:39,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:56:39,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39" (1/1) ... [2024-11-17 03:56:39,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39" (1/1) ... [2024-11-17 03:56:39,833 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39" (1/1) ... [2024-11-17 03:56:39,843 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 03:56:39,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39" (1/1) ... [2024-11-17 03:56:39,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39" (1/1) ... [2024-11-17 03:56:39,845 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39" (1/1) ... [2024-11-17 03:56:39,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39" (1/1) ... [2024-11-17 03:56:39,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39" (1/1) ... [2024-11-17 03:56:39,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39" (1/1) ... [2024-11-17 03:56:39,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:56:39,850 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:56:39,851 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:56:39,851 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:56:39,852 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39" (1/1) ... [2024-11-17 03:56:39,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:56:39,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:39,891 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 03:56:39,895 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 03:56:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:56:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:56:40,017 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:56:40,019 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:56:40,138 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-17 03:56:40,138 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:56:40,156 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:56:40,156 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:56:40,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:56:40 BoogieIcfgContainer [2024-11-17 03:56:40,157 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:56:40,161 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:56:40,161 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:56:40,164 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:56:40,164 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:56:39" (1/3) ... [2024-11-17 03:56:40,166 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c168f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:56:40, skipping insertion in model container [2024-11-17 03:56:40,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:56:39" (2/3) ... [2024-11-17 03:56:40,167 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10c168f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:56:40, skipping insertion in model container [2024-11-17 03:56:40,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:56:40" (3/3) ... [2024-11-17 03:56:40,168 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random2d.c [2024-11-17 03:56:40,185 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:56:40,186 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-17 03:56:40,254 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:56:40,262 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;@ad16a01, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:56:40,263 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-17 03:56:40,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 37 states have internal predecessors, (44), 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 03:56:40,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 03:56:40,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:40,275 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 03:56:40,276 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:40,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:40,281 INFO L85 PathProgramCache]: Analyzing trace with hash 69631462, now seen corresponding path program 1 times [2024-11-17 03:56:40,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:40,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471103956] [2024-11-17 03:56:40,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:40,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:40,480 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 03:56:40,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:40,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471103956] [2024-11-17 03:56:40,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471103956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:56:40,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:56:40,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:56:40,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603000367] [2024-11-17 03:56:40,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:56:40,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:56:40,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:40,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:56:40,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:56:40,540 INFO L87 Difference]: Start difference. First operand has 38 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 37 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:40,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:40,579 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2024-11-17 03:56:40,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:56:40,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-17 03:56:40,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:40,590 INFO L225 Difference]: With dead ends: 42 [2024-11-17 03:56:40,591 INFO L226 Difference]: Without dead ends: 33 [2024-11-17 03:56:40,594 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 03:56:40,598 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 32 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:40,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 39 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:40,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-17 03:56:40,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-17 03:56:40,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 24 states have (on average 1.5833333333333333) internal successors, (38), 32 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 03:56:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2024-11-17 03:56:40,636 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 5 [2024-11-17 03:56:40,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:40,637 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2024-11-17 03:56:40,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2024-11-17 03:56:40,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 03:56:40,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:40,638 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 03:56:40,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:56:40,638 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:40,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:40,639 INFO L85 PathProgramCache]: Analyzing trace with hash -2136391970, now seen corresponding path program 1 times [2024-11-17 03:56:40,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:40,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086821679] [2024-11-17 03:56:40,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:40,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:40,702 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 03:56:40,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:40,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086821679] [2024-11-17 03:56:40,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086821679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:56:40,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:56:40,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:56:40,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507467451] [2024-11-17 03:56:40,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:56:40,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:56:40,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:40,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:56:40,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:56:40,711 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:40,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:40,736 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2024-11-17 03:56:40,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:56:40,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 03:56:40,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:40,737 INFO L225 Difference]: With dead ends: 39 [2024-11-17 03:56:40,737 INFO L226 Difference]: Without dead ends: 38 [2024-11-17 03:56:40,738 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 03:56:40,739 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 66 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 03:56:40,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 66 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:40,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-17 03:56:40,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2024-11-17 03:56:40,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 28 states have (on average 1.5) internal successors, (42), 36 states have internal predecessors, (42), 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 03:56:40,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2024-11-17 03:56:40,745 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 6 [2024-11-17 03:56:40,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:40,745 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2024-11-17 03:56:40,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:40,746 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2024-11-17 03:56:40,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 03:56:40,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:40,746 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:56:40,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 03:56:40,747 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:40,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:40,748 INFO L85 PathProgramCache]: Analyzing trace with hash 2048131205, now seen corresponding path program 1 times [2024-11-17 03:56:40,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:40,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315634118] [2024-11-17 03:56:40,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:40,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:40,813 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 03:56:40,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:40,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315634118] [2024-11-17 03:56:40,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315634118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:56:40,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:56:40,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:56:40,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019612428] [2024-11-17 03:56:40,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:56:40,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:56:40,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:40,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:56:40,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:56:40,817 INFO L87 Difference]: Start difference. First operand 37 states and 42 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 03:56:40,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:40,877 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2024-11-17 03:56:40,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:56:40,878 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 03:56:40,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:40,882 INFO L225 Difference]: With dead ends: 66 [2024-11-17 03:56:40,882 INFO L226 Difference]: Without dead ends: 64 [2024-11-17 03:56:40,883 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 03:56:40,884 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 23 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 57 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 03:56:40,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 57 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:40,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-17 03:56:40,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 57. [2024-11-17 03:56:40,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 48 states have (on average 1.5208333333333333) internal successors, (73), 56 states have internal predecessors, (73), 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 03:56:40,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 73 transitions. [2024-11-17 03:56:40,896 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 73 transitions. Word has length 10 [2024-11-17 03:56:40,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:40,897 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 73 transitions. [2024-11-17 03:56:40,897 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 03:56:40,898 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2024-11-17 03:56:40,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 03:56:40,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:40,899 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:56:40,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:56:40,900 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:40,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:40,901 INFO L85 PathProgramCache]: Analyzing trace with hash -932442111, now seen corresponding path program 1 times [2024-11-17 03:56:40,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:40,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315045066] [2024-11-17 03:56:40,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:40,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:40,974 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 03:56:40,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:40,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315045066] [2024-11-17 03:56:40,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315045066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:56:40,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:56:40,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:56:40,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175056167] [2024-11-17 03:56:40,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:56:40,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:56:40,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:40,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:56:40,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:56:40,981 INFO L87 Difference]: Start difference. First operand 57 states and 73 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 03:56:41,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:41,021 INFO L93 Difference]: Finished difference Result 106 states and 140 transitions. [2024-11-17 03:56:41,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:56:41,022 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 03:56:41,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:41,024 INFO L225 Difference]: With dead ends: 106 [2024-11-17 03:56:41,025 INFO L226 Difference]: Without dead ends: 104 [2024-11-17 03:56:41,025 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 03:56:41,027 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 22 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 57 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 03:56:41,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 57 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:41,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-17 03:56:41,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 97. [2024-11-17 03:56:41,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 88 states have (on average 1.5340909090909092) internal successors, (135), 96 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 03:56:41,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 135 transitions. [2024-11-17 03:56:41,047 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 135 transitions. Word has length 11 [2024-11-17 03:56:41,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:41,048 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 135 transitions. [2024-11-17 03:56:41,048 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 03:56:41,051 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 135 transitions. [2024-11-17 03:56:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 03:56:41,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:41,052 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 03:56:41,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 03:56:41,052 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:41,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:41,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1160349562, now seen corresponding path program 1 times [2024-11-17 03:56:41,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:41,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081537342] [2024-11-17 03:56:41,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:41,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:41,151 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 03:56:41,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:41,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081537342] [2024-11-17 03:56:41,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081537342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:41,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452753262] [2024-11-17 03:56:41,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:41,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:41,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:41,154 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 03:56:41,155 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 03:56:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:41,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:56:41,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:41,258 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 03:56:41,258 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:41,297 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 03:56:41,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452753262] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:41,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:41,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:56:41,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277041059] [2024-11-17 03:56:41,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:41,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:56:41,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:41,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:56:41,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:56:41,299 INFO L87 Difference]: Start difference. First operand 97 states and 135 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:41,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:41,351 INFO L93 Difference]: Finished difference Result 297 states and 408 transitions. [2024-11-17 03:56:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:56:41,352 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-17 03:56:41,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:41,354 INFO L225 Difference]: With dead ends: 297 [2024-11-17 03:56:41,354 INFO L226 Difference]: Without dead ends: 296 [2024-11-17 03:56:41,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:56:41,355 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 111 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:41,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 160 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:41,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-17 03:56:41,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 276. [2024-11-17 03:56:41,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 267 states have (on average 1.4868913857677903) internal successors, (397), 275 states have internal predecessors, (397), 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 03:56:41,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 397 transitions. [2024-11-17 03:56:41,380 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 397 transitions. Word has length 12 [2024-11-17 03:56:41,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:41,380 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 397 transitions. [2024-11-17 03:56:41,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:41,381 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 397 transitions. [2024-11-17 03:56:41,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 03:56:41,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:41,381 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:56:41,396 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 03:56:41,582 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 03:56:41,582 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:41,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:41,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1159117201, now seen corresponding path program 1 times [2024-11-17 03:56:41,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:41,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806426453] [2024-11-17 03:56:41,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:41,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:41,633 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 03:56:41,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:41,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806426453] [2024-11-17 03:56:41,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806426453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:56:41,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:56:41,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:56:41,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943894659] [2024-11-17 03:56:41,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:56:41,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:56:41,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:41,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:56:41,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:56:41,635 INFO L87 Difference]: Start difference. First operand 276 states and 397 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:41,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:41,686 INFO L93 Difference]: Finished difference Result 466 states and 667 transitions. [2024-11-17 03:56:41,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:56:41,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-17 03:56:41,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:41,689 INFO L225 Difference]: With dead ends: 466 [2024-11-17 03:56:41,689 INFO L226 Difference]: Without dead ends: 464 [2024-11-17 03:56:41,690 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 03:56:41,691 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 21 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 57 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 03:56:41,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 57 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:41,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-17 03:56:41,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 443. [2024-11-17 03:56:41,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 434 states have (on average 1.4262672811059909) internal successors, (619), 442 states have internal predecessors, (619), 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 03:56:41,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 619 transitions. [2024-11-17 03:56:41,742 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 619 transitions. Word has length 12 [2024-11-17 03:56:41,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:41,742 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 619 transitions. [2024-11-17 03:56:41,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:41,742 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 619 transitions. [2024-11-17 03:56:41,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 03:56:41,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:41,743 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:56:41,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 03:56:41,743 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:41,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:41,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1572894847, now seen corresponding path program 1 times [2024-11-17 03:56:41,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:41,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485532330] [2024-11-17 03:56:41,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:41,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:41,784 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 03:56:41,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:41,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485532330] [2024-11-17 03:56:41,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485532330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:56:41,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:56:41,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:56:41,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168097598] [2024-11-17 03:56:41,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:56:41,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:56:41,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:41,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:56:41,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:56:41,787 INFO L87 Difference]: Start difference. First operand 443 states and 619 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:41,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:41,841 INFO L93 Difference]: Finished difference Result 739 states and 1030 transitions. [2024-11-17 03:56:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:56:41,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-17 03:56:41,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:41,844 INFO L225 Difference]: With dead ends: 739 [2024-11-17 03:56:41,845 INFO L226 Difference]: Without dead ends: 737 [2024-11-17 03:56:41,845 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 03:56:41,847 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 20 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 57 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 03:56:41,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 57 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:41,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-11-17 03:56:41,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 719. [2024-11-17 03:56:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 710 states have (on average 1.3873239436619718) internal successors, (985), 718 states have internal predecessors, (985), 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 03:56:41,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 985 transitions. [2024-11-17 03:56:41,891 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 985 transitions. Word has length 13 [2024-11-17 03:56:41,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:41,892 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 985 transitions. [2024-11-17 03:56:41,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 985 transitions. [2024-11-17 03:56:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 03:56:41,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:41,893 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 03:56:41,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 03:56:41,894 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:41,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:41,895 INFO L85 PathProgramCache]: Analyzing trace with hash 62404734, now seen corresponding path program 1 times [2024-11-17 03:56:41,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:41,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46337086] [2024-11-17 03:56:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:41,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:41,965 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:41,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:41,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46337086] [2024-11-17 03:56:41,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46337086] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:41,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115555211] [2024-11-17 03:56:41,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:41,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:41,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:41,969 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 03:56:41,971 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 03:56:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:42,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:56:42,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:42,053 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:42,053 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:42,104 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:42,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115555211] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:42,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:42,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:56:42,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478551621] [2024-11-17 03:56:42,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:42,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:56:42,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:42,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:56:42,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:56:42,108 INFO L87 Difference]: Start difference. First operand 719 states and 985 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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 03:56:42,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:42,198 INFO L93 Difference]: Finished difference Result 1367 states and 1920 transitions. [2024-11-17 03:56:42,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:56:42,198 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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 21 [2024-11-17 03:56:42,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:42,205 INFO L225 Difference]: With dead ends: 1367 [2024-11-17 03:56:42,205 INFO L226 Difference]: Without dead ends: 1365 [2024-11-17 03:56:42,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 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 03:56:42,208 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 107 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:42,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 137 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:56:42,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2024-11-17 03:56:42,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1189. [2024-11-17 03:56:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1189 states, 1180 states have (on average 1.4) internal successors, (1652), 1188 states have internal predecessors, (1652), 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 03:56:42,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1652 transitions. [2024-11-17 03:56:42,284 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1652 transitions. Word has length 21 [2024-11-17 03:56:42,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:42,284 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1652 transitions. [2024-11-17 03:56:42,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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 03:56:42,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1652 transitions. [2024-11-17 03:56:42,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 03:56:42,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:42,286 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:56:42,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 03:56:42,486 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,SelfDestructingSolverStorable7 [2024-11-17 03:56:42,487 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:42,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:42,487 INFO L85 PathProgramCache]: Analyzing trace with hash -515501033, now seen corresponding path program 1 times [2024-11-17 03:56:42,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:42,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525440679] [2024-11-17 03:56:42,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:42,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:42,529 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:42,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:42,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525440679] [2024-11-17 03:56:42,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525440679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:42,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951776544] [2024-11-17 03:56:42,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:42,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:42,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:42,532 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 03:56:42,533 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 03:56:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:42,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:56:42,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:42,605 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:42,605 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:42,654 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:42,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951776544] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:42,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:42,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:56:42,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424205287] [2024-11-17 03:56:42,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:42,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:56:42,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:42,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:56:42,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:56:42,656 INFO L87 Difference]: Start difference. First operand 1189 states and 1652 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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 03:56:42,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:42,740 INFO L93 Difference]: Finished difference Result 2040 states and 2901 transitions. [2024-11-17 03:56:42,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:56:42,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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 21 [2024-11-17 03:56:42,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:42,749 INFO L225 Difference]: With dead ends: 2040 [2024-11-17 03:56:42,749 INFO L226 Difference]: Without dead ends: 2038 [2024-11-17 03:56:42,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 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 03:56:42,752 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 103 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:42,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 109 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:42,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2024-11-17 03:56:42,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 1399. [2024-11-17 03:56:42,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1399 states, 1391 states have (on average 1.3889288281811647) internal successors, (1932), 1398 states have internal predecessors, (1932), 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 03:56:42,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1932 transitions. [2024-11-17 03:56:42,803 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1932 transitions. Word has length 21 [2024-11-17 03:56:42,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:42,803 INFO L471 AbstractCegarLoop]: Abstraction has 1399 states and 1932 transitions. [2024-11-17 03:56:42,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 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 03:56:42,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1932 transitions. [2024-11-17 03:56:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-17 03:56:42,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:42,807 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 03:56:42,825 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 03:56:43,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:43,008 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:43,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:43,008 INFO L85 PathProgramCache]: Analyzing trace with hash 436897520, now seen corresponding path program 1 times [2024-11-17 03:56:43,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:43,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838379421] [2024-11-17 03:56:43,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:43,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:43,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:43,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838379421] [2024-11-17 03:56:43,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838379421] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:43,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1055535456] [2024-11-17 03:56:43,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:43,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:43,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:43,067 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 03:56:43,069 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 03:56:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:43,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:56:43,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:43,150 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:43,153 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:43,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1055535456] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:43,200 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:43,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:56:43,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951432549] [2024-11-17 03:56:43,200 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:43,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:56:43,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:43,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:56:43,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:56:43,201 INFO L87 Difference]: Start difference. First operand 1399 states and 1932 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 03:56:43,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:43,292 INFO L93 Difference]: Finished difference Result 3205 states and 4578 transitions. [2024-11-17 03:56:43,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:56:43,293 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 25 [2024-11-17 03:56:43,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:43,304 INFO L225 Difference]: With dead ends: 3205 [2024-11-17 03:56:43,304 INFO L226 Difference]: Without dead ends: 3203 [2024-11-17 03:56:43,306 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 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 03:56:43,307 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 110 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:43,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 131 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:43,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2024-11-17 03:56:43,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 2793. [2024-11-17 03:56:43,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2793 states, 2785 states have (on average 1.3942549371633752) internal successors, (3883), 2792 states have internal predecessors, (3883), 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 03:56:43,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2793 states and 3883 transitions. [2024-11-17 03:56:43,383 INFO L78 Accepts]: Start accepts. Automaton has 2793 states and 3883 transitions. Word has length 25 [2024-11-17 03:56:43,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:43,385 INFO L471 AbstractCegarLoop]: Abstraction has 2793 states and 3883 transitions. [2024-11-17 03:56:43,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 03:56:43,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2793 states and 3883 transitions. [2024-11-17 03:56:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-17 03:56:43,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:43,386 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:56:43,404 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 03:56:43,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:43,587 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:43,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:43,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1111897775, now seen corresponding path program 1 times [2024-11-17 03:56:43,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:43,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755189359] [2024-11-17 03:56:43,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:43,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:43,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:43,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755189359] [2024-11-17 03:56:43,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755189359] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:43,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744025362] [2024-11-17 03:56:43,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:43,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:43,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:43,634 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 03:56:43,636 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 03:56:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:43,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:56:43,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:43,715 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:43,765 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:43,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744025362] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:43,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:43,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:56:43,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275894579] [2024-11-17 03:56:43,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:43,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:56:43,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:43,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:56:43,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:56:43,769 INFO L87 Difference]: Start difference. First operand 2793 states and 3883 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 03:56:43,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:43,869 INFO L93 Difference]: Finished difference Result 5301 states and 7548 transitions. [2024-11-17 03:56:43,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:56:43,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 25 [2024-11-17 03:56:43,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:43,886 INFO L225 Difference]: With dead ends: 5301 [2024-11-17 03:56:43,886 INFO L226 Difference]: Without dead ends: 5299 [2024-11-17 03:56:43,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 47 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 03:56:43,890 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 120 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:43,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 104 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:43,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5299 states. [2024-11-17 03:56:43,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5299 to 3447. [2024-11-17 03:56:43,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3447 states, 3440 states have (on average 1.3758720930232557) internal successors, (4733), 3446 states have internal predecessors, (4733), 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 03:56:43,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3447 states to 3447 states and 4733 transitions. [2024-11-17 03:56:43,985 INFO L78 Accepts]: Start accepts. Automaton has 3447 states and 4733 transitions. Word has length 25 [2024-11-17 03:56:43,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:43,986 INFO L471 AbstractCegarLoop]: Abstraction has 3447 states and 4733 transitions. [2024-11-17 03:56:43,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 03:56:43,986 INFO L276 IsEmpty]: Start isEmpty. Operand 3447 states and 4733 transitions. [2024-11-17 03:56:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-17 03:56:43,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:43,987 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1] [2024-11-17 03:56:44,004 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 03:56:44,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-17 03:56:44,192 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:44,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:44,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1063386290, now seen corresponding path program 2 times [2024-11-17 03:56:44,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:44,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186892056] [2024-11-17 03:56:44,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:44,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 03:56:44,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:44,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186892056] [2024-11-17 03:56:44,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186892056] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:44,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987652922] [2024-11-17 03:56:44,232 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:56:44,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:44,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:44,234 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 03:56:44,236 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 03:56:44,260 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-17 03:56:44,261 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:56:44,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 03:56:44,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:44,306 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 03:56:44,306 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 03:56:44,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987652922] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:44,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:44,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-17 03:56:44,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53097637] [2024-11-17 03:56:44,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:44,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:56:44,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:44,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:56:44,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:56:44,356 INFO L87 Difference]: Start difference. First operand 3447 states and 4733 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:44,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:44,431 INFO L93 Difference]: Finished difference Result 3447 states and 4733 transitions. [2024-11-17 03:56:44,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:56:44,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-17 03:56:44,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:44,442 INFO L225 Difference]: With dead ends: 3447 [2024-11-17 03:56:44,442 INFO L226 Difference]: Without dead ends: 3446 [2024-11-17 03:56:44,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:56:44,445 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 58 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:44,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 64 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:56:44,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3446 states. [2024-11-17 03:56:44,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3446 to 2972. [2024-11-17 03:56:44,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2972 states, 2966 states have (on average 1.3462575859743762) internal successors, (3993), 2971 states have internal predecessors, (3993), 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 03:56:44,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 3993 transitions. [2024-11-17 03:56:44,514 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 3993 transitions. Word has length 30 [2024-11-17 03:56:44,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:44,514 INFO L471 AbstractCegarLoop]: Abstraction has 2972 states and 3993 transitions. [2024-11-17 03:56:44,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:44,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 3993 transitions. [2024-11-17 03:56:44,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-17 03:56:44,516 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:44,516 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1] [2024-11-17 03:56:44,533 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 03:56:44,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:44,717 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:44,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:44,718 INFO L85 PathProgramCache]: Analyzing trace with hash 870563220, now seen corresponding path program 1 times [2024-11-17 03:56:44,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:44,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547525240] [2024-11-17 03:56:44,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:44,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:44,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:44,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547525240] [2024-11-17 03:56:44,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547525240] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:44,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545109346] [2024-11-17 03:56:44,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:44,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:44,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:44,773 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 03:56:44,775 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 03:56:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:44,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:56:44,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:44,865 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:44,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:44,931 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:44,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545109346] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:44,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:44,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-17 03:56:44,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140481871] [2024-11-17 03:56:44,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:44,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 03:56:44,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:44,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 03:56:44,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:56:44,933 INFO L87 Difference]: Start difference. First operand 2972 states and 3993 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 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 03:56:45,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:45,135 INFO L93 Difference]: Finished difference Result 8655 states and 11690 transitions. [2024-11-17 03:56:45,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:56:45,136 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 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 33 [2024-11-17 03:56:45,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:45,165 INFO L225 Difference]: With dead ends: 8655 [2024-11-17 03:56:45,166 INFO L226 Difference]: Without dead ends: 8654 [2024-11-17 03:56:45,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 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 03:56:45,171 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 148 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:45,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 175 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:56:45,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8654 states. [2024-11-17 03:56:45,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8654 to 7078. [2024-11-17 03:56:45,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7078 states, 7072 states have (on average 1.3413461538461537) internal successors, (9486), 7077 states have internal predecessors, (9486), 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 03:56:45,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7078 states to 7078 states and 9486 transitions. [2024-11-17 03:56:45,457 INFO L78 Accepts]: Start accepts. Automaton has 7078 states and 9486 transitions. Word has length 33 [2024-11-17 03:56:45,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:45,457 INFO L471 AbstractCegarLoop]: Abstraction has 7078 states and 9486 transitions. [2024-11-17 03:56:45,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 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 03:56:45,458 INFO L276 IsEmpty]: Start isEmpty. Operand 7078 states and 9486 transitions. [2024-11-17 03:56:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-17 03:56:45,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:45,460 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1] [2024-11-17 03:56:45,477 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 03:56:45,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:45,661 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:45,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:45,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1879561312, now seen corresponding path program 1 times [2024-11-17 03:56:45,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:45,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541957958] [2024-11-17 03:56:45,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:45,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:45,742 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:45,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:45,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541957958] [2024-11-17 03:56:45,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541957958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:45,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795266186] [2024-11-17 03:56:45,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:45,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:45,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:45,746 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 03:56:45,748 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 03:56:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:45,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:56:45,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:45,832 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:45,833 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:45,904 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:45,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795266186] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:45,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:45,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-17 03:56:45,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304662761] [2024-11-17 03:56:45,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:45,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 03:56:45,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:45,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 03:56:45,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:56:45,906 INFO L87 Difference]: Start difference. First operand 7078 states and 9486 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 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 03:56:46,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:46,328 INFO L93 Difference]: Finished difference Result 20607 states and 27782 transitions. [2024-11-17 03:56:46,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 03:56:46,329 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 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 39 [2024-11-17 03:56:46,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:46,374 INFO L225 Difference]: With dead ends: 20607 [2024-11-17 03:56:46,374 INFO L226 Difference]: Without dead ends: 20606 [2024-11-17 03:56:46,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 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 03:56:46,386 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 132 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:46,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 175 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:56:46,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20606 states. [2024-11-17 03:56:46,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20606 to 16872. [2024-11-17 03:56:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16872 states, 16866 states have (on average 1.3363571682675204) internal successors, (22539), 16871 states have internal predecessors, (22539), 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 03:56:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16872 states to 16872 states and 22539 transitions. [2024-11-17 03:56:46,967 INFO L78 Accepts]: Start accepts. Automaton has 16872 states and 22539 transitions. Word has length 39 [2024-11-17 03:56:46,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:46,967 INFO L471 AbstractCegarLoop]: Abstraction has 16872 states and 22539 transitions. [2024-11-17 03:56:46,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 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 03:56:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand 16872 states and 22539 transitions. [2024-11-17 03:56:46,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-17 03:56:46,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:46,969 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2024-11-17 03:56:46,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 03:56:47,169 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,SelfDestructingSolverStorable13 [2024-11-17 03:56:47,170 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:47,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:47,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1388994443, now seen corresponding path program 2 times [2024-11-17 03:56:47,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:47,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953120109] [2024-11-17 03:56:47,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:47,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:47,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:47,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953120109] [2024-11-17 03:56:47,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953120109] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:47,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647684094] [2024-11-17 03:56:47,242 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:56:47,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:47,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:47,244 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 03:56:47,246 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 03:56:47,280 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:56:47,280 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:56:47,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 03:56:47,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:47,336 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:47,336 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:47,441 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:47,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647684094] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:47,441 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:47,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-17 03:56:47,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508635242] [2024-11-17 03:56:47,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:47,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:56:47,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:47,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:56:47,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:56:47,443 INFO L87 Difference]: Start difference. First operand 16872 states and 22539 transitions. Second operand has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 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 03:56:48,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:48,674 INFO L93 Difference]: Finished difference Result 57799 states and 78488 transitions. [2024-11-17 03:56:48,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 03:56:48,674 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 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 51 [2024-11-17 03:56:48,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:48,803 INFO L225 Difference]: With dead ends: 57799 [2024-11-17 03:56:48,804 INFO L226 Difference]: Without dead ends: 57797 [2024-11-17 03:56:48,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 96 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 03:56:48,827 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 306 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:48,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 273 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:56:48,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57797 states. [2024-11-17 03:56:50,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57797 to 36474. [2024-11-17 03:56:50,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36474 states, 36468 states have (on average 1.3182241965558845) internal successors, (48073), 36473 states have internal predecessors, (48073), 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 03:56:50,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36474 states to 36474 states and 48073 transitions. [2024-11-17 03:56:50,500 INFO L78 Accepts]: Start accepts. Automaton has 36474 states and 48073 transitions. Word has length 51 [2024-11-17 03:56:50,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:50,501 INFO L471 AbstractCegarLoop]: Abstraction has 36474 states and 48073 transitions. [2024-11-17 03:56:50,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.181818181818182) internal successors, (101), 12 states have internal predecessors, (101), 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 03:56:50,502 INFO L276 IsEmpty]: Start isEmpty. Operand 36474 states and 48073 transitions. [2024-11-17 03:56:50,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-17 03:56:50,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:50,505 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2024-11-17 03:56:50,522 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 03:56:50,705 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,SelfDestructingSolverStorable14 [2024-11-17 03:56:50,706 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:50,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:50,707 INFO L85 PathProgramCache]: Analyzing trace with hash -549000893, now seen corresponding path program 2 times [2024-11-17 03:56:50,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:50,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630441845] [2024-11-17 03:56:50,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:50,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:50,842 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:50,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:50,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630441845] [2024-11-17 03:56:50,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630441845] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:50,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486311153] [2024-11-17 03:56:50,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:56:50,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:50,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:50,845 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 03:56:50,848 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 03:56:50,891 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:56:50,891 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:56:50,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 03:56:50,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:50,968 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:50,968 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:51,086 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:51,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486311153] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:51,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:51,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-17 03:56:51,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232760894] [2024-11-17 03:56:51,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:51,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:56:51,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:51,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:56:51,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:56:51,089 INFO L87 Difference]: Start difference. First operand 36474 states and 48073 transitions. Second operand has 12 states, 11 states have (on average 11.0) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:53,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:56:53,417 INFO L93 Difference]: Finished difference Result 124751 states and 167228 transitions. [2024-11-17 03:56:53,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 03:56:53,417 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 11.0) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2024-11-17 03:56:53,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:56:53,881 INFO L225 Difference]: With dead ends: 124751 [2024-11-17 03:56:53,881 INFO L226 Difference]: Without dead ends: 124749 [2024-11-17 03:56:53,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 116 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 03:56:53,907 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 325 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:56:53,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 271 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:56:53,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124749 states. [2024-11-17 03:56:56,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124749 to 78788. [2024-11-17 03:56:56,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78788 states, 78782 states have (on average 1.3011474702343175) internal successors, (102507), 78787 states have internal predecessors, (102507), 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 03:56:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78788 states to 78788 states and 102507 transitions. [2024-11-17 03:56:56,983 INFO L78 Accepts]: Start accepts. Automaton has 78788 states and 102507 transitions. Word has length 61 [2024-11-17 03:56:56,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:56:56,984 INFO L471 AbstractCegarLoop]: Abstraction has 78788 states and 102507 transitions. [2024-11-17 03:56:56,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 11.0) internal successors, (121), 12 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:56:56,984 INFO L276 IsEmpty]: Start isEmpty. Operand 78788 states and 102507 transitions. [2024-11-17 03:56:56,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-17 03:56:56,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:56:56,989 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 1, 1, 1] [2024-11-17 03:56:57,009 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 03:56:57,193 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,SelfDestructingSolverStorable15 [2024-11-17 03:56:57,194 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:56:57,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:56:57,195 INFO L85 PathProgramCache]: Analyzing trace with hash 1602501652, now seen corresponding path program 2 times [2024-11-17 03:56:57,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:56:57,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116982797] [2024-11-17 03:56:57,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:56:57,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:56:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:56:57,333 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:57,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:56:57,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116982797] [2024-11-17 03:56:57,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116982797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:56:57,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050946410] [2024-11-17 03:56:57,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:56:57,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:56:57,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:56:57,337 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 03:56:57,338 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 03:56:57,382 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:56:57,382 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:56:57,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 03:56:57,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:56:57,487 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:57,487 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:56:57,677 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:56:57,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050946410] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:56:57,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:56:57,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-17 03:56:57,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110847308] [2024-11-17 03:56:57,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:56:57,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 03:56:57,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:56:57,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 03:56:57,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-17 03:56:57,680 INFO L87 Difference]: Start difference. First operand 78788 states and 102507 transitions. Second operand has 16 states, 15 states have (on average 10.2) internal successors, (153), 16 states have internal predecessors, (153), 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 03:57:02,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:02,007 INFO L93 Difference]: Finished difference Result 278298 states and 364459 transitions. [2024-11-17 03:57:02,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 03:57:02,008 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 10.2) internal successors, (153), 16 states have internal predecessors, (153), 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 77 [2024-11-17 03:57:02,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:02,838 INFO L225 Difference]: With dead ends: 278298 [2024-11-17 03:57:02,838 INFO L226 Difference]: Without dead ends: 278297 [2024-11-17 03:57:02,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 146 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 03:57:02,905 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 580 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:02,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 367 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:57:03,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278297 states. [2024-11-17 03:57:07,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278297 to 155058. [2024-11-17 03:57:07,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155058 states, 155052 states have (on average 1.2932242086525811) internal successors, (200517), 155057 states have internal predecessors, (200517), 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 03:57:08,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155058 states to 155058 states and 200517 transitions. [2024-11-17 03:57:08,164 INFO L78 Accepts]: Start accepts. Automaton has 155058 states and 200517 transitions. Word has length 77 [2024-11-17 03:57:08,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:57:08,165 INFO L471 AbstractCegarLoop]: Abstraction has 155058 states and 200517 transitions. [2024-11-17 03:57:08,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 10.2) internal successors, (153), 16 states have internal predecessors, (153), 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 03:57:08,165 INFO L276 IsEmpty]: Start isEmpty. Operand 155058 states and 200517 transitions. [2024-11-17 03:57:08,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-17 03:57:08,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:57:08,175 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 1, 1, 1] [2024-11-17 03:57:08,192 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 03:57:08,378 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,SelfDestructingSolverStorable16 [2024-11-17 03:57:08,379 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-17 03:57:08,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:57:08,380 INFO L85 PathProgramCache]: Analyzing trace with hash 374002400, now seen corresponding path program 2 times [2024-11-17 03:57:08,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:57:08,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118142972] [2024-11-17 03:57:08,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:57:08,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:57:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:57:08,553 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:08,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:57:08,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118142972] [2024-11-17 03:57:08,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118142972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:57:08,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052881847] [2024-11-17 03:57:08,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:57:08,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:57:08,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:57:08,557 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 03:57:08,558 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 03:57:08,603 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:57:08,604 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:57:08,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 03:57:08,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:57:08,728 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:08,728 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:57:08,932 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:57:08,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052881847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:57:08,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:57:08,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-17 03:57:08,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075642575] [2024-11-17 03:57:08,933 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:57:08,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 03:57:08,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:57:08,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 03:57:08,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-17 03:57:08,935 INFO L87 Difference]: Start difference. First operand 155058 states and 200517 transitions. Second operand has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 16 states have internal predecessors, (181), 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 03:57:17,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:57:17,766 INFO L93 Difference]: Finished difference Result 547266 states and 712459 transitions. [2024-11-17 03:57:17,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 03:57:17,767 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 12.066666666666666) internal successors, (181), 16 states have internal predecessors, (181), 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 91 [2024-11-17 03:57:17,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:57:18,926 INFO L225 Difference]: With dead ends: 547266 [2024-11-17 03:57:18,926 INFO L226 Difference]: Without dead ends: 547265 [2024-11-17 03:57:19,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 174 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 03:57:19,052 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 788 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:57:19,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 364 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:57:19,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547265 states.