./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 023d838f 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-023d838-m [2024-11-10 18:37:59,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:37:59,376 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 18:37:59,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:37:59,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:37:59,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:37:59,404 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:37:59,405 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:37:59,405 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:37:59,406 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:37:59,406 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:37:59,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:37:59,407 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:37:59,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:37:59,409 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:37:59,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:37:59,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:37:59,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:37:59,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:37:59,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:37:59,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:37:59,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:37:59,414 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:37:59,414 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:37:59,414 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:37:59,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:37:59,415 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:37:59,415 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:37:59,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:37:59,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:37:59,415 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:37:59,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:37:59,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:37:59,416 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:37:59,416 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:37:59,416 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:37:59,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:37:59,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:37:59,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:37:59,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:37:59,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:37:59,418 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1978406b317087fc6936fcfda9d4ee773e4c87c61c4595e0ff4751e61b0b216a [2024-11-10 18:37:59,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:37:59,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:37:59,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:37:59,711 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:37:59,712 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:37:59,712 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c [2024-11-10 18:38:01,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:38:01,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:38:01,227 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random2d.c [2024-11-10 18:38:01,233 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ea702059/0ee63a487553426fb76b95d95609f803/FLAG0f1ef7285 [2024-11-10 18:38:01,244 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ea702059/0ee63a487553426fb76b95d95609f803 [2024-11-10 18:38:01,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:38:01,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:38:01,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:38:01,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:38:01,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:38:01,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:38:01" (1/1) ... [2024-11-10 18:38:01,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41fd1f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01, skipping insertion in model container [2024-11-10 18:38:01,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:38:01" (1/1) ... [2024-11-10 18:38:01,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:38:01,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:38:01,426 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:38:01,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:38:01,455 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:38:01,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01 WrapperNode [2024-11-10 18:38:01,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:38:01,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:38:01,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:38:01,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:38:01,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01" (1/1) ... [2024-11-10 18:38:01,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01" (1/1) ... [2024-11-10 18:38:01,477 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2024-11-10 18:38:01,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:38:01,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:38:01,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:38:01,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:38:01,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01" (1/1) ... [2024-11-10 18:38:01,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01" (1/1) ... [2024-11-10 18:38:01,486 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01" (1/1) ... [2024-11-10 18:38:01,492 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-10 18:38:01,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01" (1/1) ... [2024-11-10 18:38:01,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01" (1/1) ... [2024-11-10 18:38:01,494 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01" (1/1) ... [2024-11-10 18:38:01,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01" (1/1) ... [2024-11-10 18:38:01,495 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01" (1/1) ... [2024-11-10 18:38:01,496 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01" (1/1) ... [2024-11-10 18:38:01,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:38:01,497 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:38:01,498 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:38:01,498 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:38:01,498 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01" (1/1) ... [2024-11-10 18:38:01,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:38:01,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:01,528 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) [2024-11-10 18:38:01,530 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 [2024-11-10 18:38:01,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:38:01,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:38:01,638 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:38:01,640 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:38:01,815 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-10 18:38:01,815 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:38:01,840 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:38:01,842 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:38:01,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:38:01 BoogieIcfgContainer [2024-11-10 18:38:01,843 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:38:01,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:38:01,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:38:01,849 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:38:01,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:38:01" (1/3) ... [2024-11-10 18:38:01,850 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6506d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:38:01, skipping insertion in model container [2024-11-10 18:38:01,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:38:01" (2/3) ... [2024-11-10 18:38:01,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6506d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:38:01, skipping insertion in model container [2024-11-10 18:38:01,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:38:01" (3/3) ... [2024-11-10 18:38:01,852 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random2d.c [2024-11-10 18:38:01,900 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:38:01,901 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-10 18:38:01,949 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:38:01,955 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;@7c2e5d2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:38:01,955 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-10 18:38:01,959 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) [2024-11-10 18:38:01,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-10 18:38:01,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:01,964 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-10 18:38:01,965 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)] === [2024-11-10 18:38:01,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:01,969 INFO L85 PathProgramCache]: Analyzing trace with hash 69631462, now seen corresponding path program 1 times [2024-11-10 18:38:01,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:01,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319098454] [2024-11-10 18:38:01,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:01,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:02,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:02,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:02,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319098454] [2024-11-10 18:38:02,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319098454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:38:02,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:38:02,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:38:02,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971872337] [2024-11-10 18:38:02,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:38:02,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:38:02,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:02,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:38:02,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:38:02,136 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) [2024-11-10 18:38:02,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:02,163 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2024-11-10 18:38:02,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:38:02,165 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 [2024-11-10 18:38:02,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:02,172 INFO L225 Difference]: With dead ends: 42 [2024-11-10 18:38:02,172 INFO L226 Difference]: Without dead ends: 33 [2024-11-10 18:38:02,175 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 [2024-11-10 18:38:02,178 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 [2024-11-10 18:38:02,179 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] [2024-11-10 18:38:02,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-10 18:38:02,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-10 18:38:02,213 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) [2024-11-10 18:38:02,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2024-11-10 18:38:02,215 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 5 [2024-11-10 18:38:02,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:02,216 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2024-11-10 18:38:02,216 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) [2024-11-10 18:38:02,216 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2024-11-10 18:38:02,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 18:38:02,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:02,217 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:38:02,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:38:02,218 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)] === [2024-11-10 18:38:02,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:02,220 INFO L85 PathProgramCache]: Analyzing trace with hash -2136391970, now seen corresponding path program 1 times [2024-11-10 18:38:02,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:02,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282840486] [2024-11-10 18:38:02,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:02,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:02,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:02,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282840486] [2024-11-10 18:38:02,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282840486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:38:02,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:38:02,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:38:02,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514986312] [2024-11-10 18:38:02,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:38:02,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:38:02,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:02,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:38:02,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:38:02,253 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) [2024-11-10 18:38:02,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:02,297 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2024-11-10 18:38:02,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:38:02,297 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 [2024-11-10 18:38:02,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:02,298 INFO L225 Difference]: With dead ends: 39 [2024-11-10 18:38:02,298 INFO L226 Difference]: Without dead ends: 38 [2024-11-10 18:38:02,298 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 [2024-11-10 18:38:02,299 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 [2024-11-10 18:38:02,300 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] [2024-11-10 18:38:02,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-10 18:38:02,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2024-11-10 18:38:02,306 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) [2024-11-10 18:38:02,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2024-11-10 18:38:02,308 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 6 [2024-11-10 18:38:02,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:02,308 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2024-11-10 18:38:02,308 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) [2024-11-10 18:38:02,308 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2024-11-10 18:38:02,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 18:38:02,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:02,309 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:38:02,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:38:02,310 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)] === [2024-11-10 18:38:02,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:02,311 INFO L85 PathProgramCache]: Analyzing trace with hash 2048131205, now seen corresponding path program 1 times [2024-11-10 18:38:02,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:02,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119507855] [2024-11-10 18:38:02,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:02,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:02,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:02,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119507855] [2024-11-10 18:38:02,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119507855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:38:02,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:38:02,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:38:02,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630964414] [2024-11-10 18:38:02,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:38:02,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:38:02,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:02,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:38:02,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:38:02,371 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) [2024-11-10 18:38:02,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:02,395 INFO L93 Difference]: Finished difference Result 66 states and 78 transitions. [2024-11-10 18:38:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:38:02,395 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 [2024-11-10 18:38:02,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:02,396 INFO L225 Difference]: With dead ends: 66 [2024-11-10 18:38:02,396 INFO L226 Difference]: Without dead ends: 64 [2024-11-10 18:38:02,396 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 [2024-11-10 18:38:02,397 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 [2024-11-10 18:38:02,398 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] [2024-11-10 18:38:02,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-10 18:38:02,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 57. [2024-11-10 18:38:02,407 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) [2024-11-10 18:38:02,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 73 transitions. [2024-11-10 18:38:02,407 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 73 transitions. Word has length 10 [2024-11-10 18:38:02,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:02,408 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 73 transitions. [2024-11-10 18:38:02,408 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) [2024-11-10 18:38:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2024-11-10 18:38:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 18:38:02,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:02,409 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:38:02,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 18:38:02,409 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)] === [2024-11-10 18:38:02,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:02,409 INFO L85 PathProgramCache]: Analyzing trace with hash -932442111, now seen corresponding path program 1 times [2024-11-10 18:38:02,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:02,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349770725] [2024-11-10 18:38:02,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:02,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:02,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:02,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:02,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349770725] [2024-11-10 18:38:02,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349770725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:38:02,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:38:02,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:38:02,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585494104] [2024-11-10 18:38:02,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:38:02,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:38:02,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:02,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:38:02,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:38:02,458 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) [2024-11-10 18:38:02,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:02,496 INFO L93 Difference]: Finished difference Result 106 states and 140 transitions. [2024-11-10 18:38:02,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:38:02,497 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 [2024-11-10 18:38:02,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:02,499 INFO L225 Difference]: With dead ends: 106 [2024-11-10 18:38:02,500 INFO L226 Difference]: Without dead ends: 104 [2024-11-10 18:38:02,500 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 [2024-11-10 18:38:02,503 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 [2024-11-10 18:38:02,503 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] [2024-11-10 18:38:02,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-10 18:38:02,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 97. [2024-11-10 18:38:02,517 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) [2024-11-10 18:38:02,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 135 transitions. [2024-11-10 18:38:02,519 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 135 transitions. Word has length 11 [2024-11-10 18:38:02,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:02,520 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 135 transitions. [2024-11-10 18:38:02,520 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) [2024-11-10 18:38:02,520 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 135 transitions. [2024-11-10 18:38:02,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 18:38:02,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:02,521 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 18:38:02,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 18:38:02,521 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)] === [2024-11-10 18:38:02,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:02,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1160349562, now seen corresponding path program 1 times [2024-11-10 18:38:02,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:02,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797292304] [2024-11-10 18:38:02,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:02,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:02,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:02,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:02,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797292304] [2024-11-10 18:38:02,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797292304] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:02,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932105091] [2024-11-10 18:38:02,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:02,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:02,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:02,586 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) [2024-11-10 18:38:02,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 18:38:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:02,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:38:02,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:02,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:02,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:02,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932105091] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:02,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:02,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:38:02,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681922132] [2024-11-10 18:38:02,711 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:02,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:38:02,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:02,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:38:02,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:38:02,715 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) [2024-11-10 18:38:02,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:02,762 INFO L93 Difference]: Finished difference Result 297 states and 408 transitions. [2024-11-10 18:38:02,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:38:02,763 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 [2024-11-10 18:38:02,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:02,765 INFO L225 Difference]: With dead ends: 297 [2024-11-10 18:38:02,765 INFO L226 Difference]: Without dead ends: 296 [2024-11-10 18:38:02,767 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 [2024-11-10 18:38:02,768 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 [2024-11-10 18:38:02,768 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] [2024-11-10 18:38:02,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-10 18:38:02,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 276. [2024-11-10 18:38:02,783 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) [2024-11-10 18:38:02,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 397 transitions. [2024-11-10 18:38:02,785 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 397 transitions. Word has length 12 [2024-11-10 18:38:02,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:02,785 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 397 transitions. [2024-11-10 18:38:02,786 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) [2024-11-10 18:38:02,786 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 397 transitions. [2024-11-10 18:38:02,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 18:38:02,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:02,786 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:38:02,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 18:38:02,994 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 [2024-11-10 18:38:02,995 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)] === [2024-11-10 18:38:02,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:02,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1159117201, now seen corresponding path program 1 times [2024-11-10 18:38:02,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:02,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601706209] [2024-11-10 18:38:02,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:02,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:03,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:03,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601706209] [2024-11-10 18:38:03,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601706209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:38:03,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:38:03,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:38:03,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912089047] [2024-11-10 18:38:03,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:38:03,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:38:03,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:03,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:38:03,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:38:03,024 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) [2024-11-10 18:38:03,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:03,050 INFO L93 Difference]: Finished difference Result 466 states and 667 transitions. [2024-11-10 18:38:03,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:38:03,051 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 [2024-11-10 18:38:03,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:03,052 INFO L225 Difference]: With dead ends: 466 [2024-11-10 18:38:03,052 INFO L226 Difference]: Without dead ends: 464 [2024-11-10 18:38:03,053 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 [2024-11-10 18:38:03,054 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 [2024-11-10 18:38:03,054 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] [2024-11-10 18:38:03,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2024-11-10 18:38:03,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 443. [2024-11-10 18:38:03,073 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) [2024-11-10 18:38:03,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 619 transitions. [2024-11-10 18:38:03,075 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 619 transitions. Word has length 12 [2024-11-10 18:38:03,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:03,075 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 619 transitions. [2024-11-10 18:38:03,075 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) [2024-11-10 18:38:03,076 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 619 transitions. [2024-11-10 18:38:03,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-10 18:38:03,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:03,076 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:38:03,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:38:03,077 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)] === [2024-11-10 18:38:03,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:03,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1572894847, now seen corresponding path program 1 times [2024-11-10 18:38:03,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:03,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857401789] [2024-11-10 18:38:03,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:03,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:03,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:03,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:03,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857401789] [2024-11-10 18:38:03,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857401789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:38:03,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:38:03,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 18:38:03,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439604016] [2024-11-10 18:38:03,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:38:03,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:38:03,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:03,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:38:03,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:38:03,102 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) [2024-11-10 18:38:03,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:03,138 INFO L93 Difference]: Finished difference Result 739 states and 1030 transitions. [2024-11-10 18:38:03,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:38:03,138 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 [2024-11-10 18:38:03,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:03,140 INFO L225 Difference]: With dead ends: 739 [2024-11-10 18:38:03,141 INFO L226 Difference]: Without dead ends: 737 [2024-11-10 18:38:03,141 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 [2024-11-10 18:38:03,142 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 [2024-11-10 18:38:03,142 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] [2024-11-10 18:38:03,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2024-11-10 18:38:03,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 719. [2024-11-10 18:38:03,164 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) [2024-11-10 18:38:03,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 985 transitions. [2024-11-10 18:38:03,168 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 985 transitions. Word has length 13 [2024-11-10 18:38:03,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:03,168 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 985 transitions. [2024-11-10 18:38:03,168 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) [2024-11-10 18:38:03,168 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 985 transitions. [2024-11-10 18:38:03,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 18:38:03,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:03,169 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 18:38:03,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:38:03,170 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)] === [2024-11-10 18:38:03,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:03,170 INFO L85 PathProgramCache]: Analyzing trace with hash 62404734, now seen corresponding path program 1 times [2024-11-10 18:38:03,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:03,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623846807] [2024-11-10 18:38:03,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:03,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:03,212 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:03,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:03,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623846807] [2024-11-10 18:38:03,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623846807] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:03,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335551055] [2024-11-10 18:38:03,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:03,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:03,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:03,215 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) [2024-11-10 18:38:03,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 18:38:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:03,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:38:03,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:03,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:03,306 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:03,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335551055] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:03,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:03,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:38:03,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465606765] [2024-11-10 18:38:03,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:03,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:38:03,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:03,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:38:03,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:38:03,308 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) [2024-11-10 18:38:03,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:03,373 INFO L93 Difference]: Finished difference Result 1367 states and 1920 transitions. [2024-11-10 18:38:03,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:38:03,374 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 [2024-11-10 18:38:03,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:03,378 INFO L225 Difference]: With dead ends: 1367 [2024-11-10 18:38:03,378 INFO L226 Difference]: Without dead ends: 1365 [2024-11-10 18:38:03,379 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 [2024-11-10 18:38:03,379 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:38:03,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 137 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:38:03,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2024-11-10 18:38:03,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1189. [2024-11-10 18:38:03,410 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) [2024-11-10 18:38:03,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 1189 states and 1652 transitions. [2024-11-10 18:38:03,413 INFO L78 Accepts]: Start accepts. Automaton has 1189 states and 1652 transitions. Word has length 21 [2024-11-10 18:38:03,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:03,413 INFO L471 AbstractCegarLoop]: Abstraction has 1189 states and 1652 transitions. [2024-11-10 18:38:03,414 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) [2024-11-10 18:38:03,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1652 transitions. [2024-11-10 18:38:03,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 18:38:03,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:03,415 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:38:03,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-10 18:38:03,615 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 [2024-11-10 18:38:03,616 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)] === [2024-11-10 18:38:03,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:03,617 INFO L85 PathProgramCache]: Analyzing trace with hash -515501033, now seen corresponding path program 1 times [2024-11-10 18:38:03,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:03,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443076267] [2024-11-10 18:38:03,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:03,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:03,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:03,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443076267] [2024-11-10 18:38:03,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443076267] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:03,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810489727] [2024-11-10 18:38:03,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:03,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:03,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:03,690 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) [2024-11-10 18:38:03,691 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 18:38:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:03,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:38:03,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:03,790 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:03,790 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:03,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810489727] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:03,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:03,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:38:03,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620803897] [2024-11-10 18:38:03,844 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:03,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:38:03,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:03,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:38:03,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:38:03,845 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) [2024-11-10 18:38:03,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:03,910 INFO L93 Difference]: Finished difference Result 2040 states and 2901 transitions. [2024-11-10 18:38:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:38:03,911 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 [2024-11-10 18:38:03,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:03,919 INFO L225 Difference]: With dead ends: 2040 [2024-11-10 18:38:03,919 INFO L226 Difference]: Without dead ends: 2038 [2024-11-10 18:38:03,920 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 [2024-11-10 18:38:03,921 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 [2024-11-10 18:38:03,921 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] [2024-11-10 18:38:03,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2024-11-10 18:38:03,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 1399. [2024-11-10 18:38:03,956 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) [2024-11-10 18:38:03,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 1399 states and 1932 transitions. [2024-11-10 18:38:03,959 INFO L78 Accepts]: Start accepts. Automaton has 1399 states and 1932 transitions. Word has length 21 [2024-11-10 18:38:03,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:03,960 INFO L471 AbstractCegarLoop]: Abstraction has 1399 states and 1932 transitions. [2024-11-10 18:38:03,960 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) [2024-11-10 18:38:03,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1932 transitions. [2024-11-10 18:38:03,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 18:38:03,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:03,963 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-10 18:38:03,976 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:38:04,167 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 [2024-11-10 18:38:04,168 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)] === [2024-11-10 18:38:04,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:04,168 INFO L85 PathProgramCache]: Analyzing trace with hash 436897520, now seen corresponding path program 1 times [2024-11-10 18:38:04,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:04,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312729569] [2024-11-10 18:38:04,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:04,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:04,221 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:04,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:04,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312729569] [2024-11-10 18:38:04,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312729569] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:04,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46547204] [2024-11-10 18:38:04,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:04,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:04,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:04,224 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) [2024-11-10 18:38:04,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 18:38:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:04,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:38:04,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:04,294 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:04,294 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:04,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46547204] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:04,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:04,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:38:04,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325439718] [2024-11-10 18:38:04,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:04,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:38:04,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:04,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:38:04,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:38:04,334 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) [2024-11-10 18:38:04,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:04,409 INFO L93 Difference]: Finished difference Result 3205 states and 4578 transitions. [2024-11-10 18:38:04,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:38:04,409 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 [2024-11-10 18:38:04,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:04,419 INFO L225 Difference]: With dead ends: 3205 [2024-11-10 18:38:04,420 INFO L226 Difference]: Without dead ends: 3203 [2024-11-10 18:38:04,421 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 [2024-11-10 18:38:04,422 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 [2024-11-10 18:38:04,423 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] [2024-11-10 18:38:04,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2024-11-10 18:38:04,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 2793. [2024-11-10 18:38:04,468 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) [2024-11-10 18:38:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 2793 states and 3883 transitions. [2024-11-10 18:38:04,474 INFO L78 Accepts]: Start accepts. Automaton has 2793 states and 3883 transitions. Word has length 25 [2024-11-10 18:38:04,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:04,476 INFO L471 AbstractCegarLoop]: Abstraction has 2793 states and 3883 transitions. [2024-11-10 18:38:04,476 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) [2024-11-10 18:38:04,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2793 states and 3883 transitions. [2024-11-10 18:38:04,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-10 18:38:04,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:04,478 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:38:04,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:38:04,679 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 [2024-11-10 18:38:04,679 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)] === [2024-11-10 18:38:04,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:04,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1111897775, now seen corresponding path program 1 times [2024-11-10 18:38:04,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:04,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686247714] [2024-11-10 18:38:04,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:04,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:04,708 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:04,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:04,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686247714] [2024-11-10 18:38:04,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686247714] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:04,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504201387] [2024-11-10 18:38:04,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:04,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:04,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:04,710 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) [2024-11-10 18:38:04,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 18:38:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:04,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:38:04,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:04,762 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:04,795 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:04,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504201387] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:04,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:04,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:38:04,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056449327] [2024-11-10 18:38:04,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:04,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:38:04,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:04,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:38:04,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:38:04,797 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) [2024-11-10 18:38:04,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:04,869 INFO L93 Difference]: Finished difference Result 5301 states and 7548 transitions. [2024-11-10 18:38:04,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:38:04,870 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 [2024-11-10 18:38:04,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:04,883 INFO L225 Difference]: With dead ends: 5301 [2024-11-10 18:38:04,883 INFO L226 Difference]: Without dead ends: 5299 [2024-11-10 18:38:04,886 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 [2024-11-10 18:38:04,886 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 [2024-11-10 18:38:04,886 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] [2024-11-10 18:38:04,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5299 states. [2024-11-10 18:38:04,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5299 to 3447. [2024-11-10 18:38:04,949 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) [2024-11-10 18:38:04,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3447 states to 3447 states and 4733 transitions. [2024-11-10 18:38:04,956 INFO L78 Accepts]: Start accepts. Automaton has 3447 states and 4733 transitions. Word has length 25 [2024-11-10 18:38:04,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:04,957 INFO L471 AbstractCegarLoop]: Abstraction has 3447 states and 4733 transitions. [2024-11-10 18:38:04,957 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) [2024-11-10 18:38:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 3447 states and 4733 transitions. [2024-11-10 18:38:04,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 18:38:04,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:04,958 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1] [2024-11-10 18:38:04,974 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 18:38:05,158 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 [2024-11-10 18:38:05,158 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)] === [2024-11-10 18:38:05,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:05,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1063386290, now seen corresponding path program 2 times [2024-11-10 18:38:05,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:05,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676832301] [2024-11-10 18:38:05,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:05,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:05,234 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-10 18:38:05,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:05,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676832301] [2024-11-10 18:38:05,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676832301] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:05,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846891928] [2024-11-10 18:38:05,235 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:38:05,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:05,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:05,242 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) [2024-11-10 18:38:05,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 18:38:05,286 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:38:05,287 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:38:05,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-10 18:38:05,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:05,327 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-10 18:38:05,327 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:05,363 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-10 18:38:05,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846891928] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:05,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:05,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-10 18:38:05,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609251543] [2024-11-10 18:38:05,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:05,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:38:05,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:05,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:38:05,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:38:05,365 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) [2024-11-10 18:38:05,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:05,409 INFO L93 Difference]: Finished difference Result 3447 states and 4733 transitions. [2024-11-10 18:38:05,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:38:05,409 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 [2024-11-10 18:38:05,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:05,417 INFO L225 Difference]: With dead ends: 3447 [2024-11-10 18:38:05,417 INFO L226 Difference]: Without dead ends: 3446 [2024-11-10 18:38:05,419 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 [2024-11-10 18:38:05,419 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 [2024-11-10 18:38:05,419 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] [2024-11-10 18:38:05,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3446 states. [2024-11-10 18:38:05,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3446 to 2972. [2024-11-10 18:38:05,469 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) [2024-11-10 18:38:05,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2972 states and 3993 transitions. [2024-11-10 18:38:05,475 INFO L78 Accepts]: Start accepts. Automaton has 2972 states and 3993 transitions. Word has length 30 [2024-11-10 18:38:05,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:05,476 INFO L471 AbstractCegarLoop]: Abstraction has 2972 states and 3993 transitions. [2024-11-10 18:38:05,476 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) [2024-11-10 18:38:05,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 3993 transitions. [2024-11-10 18:38:05,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 18:38:05,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:05,477 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1] [2024-11-10 18:38:05,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 18:38:05,680 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 [2024-11-10 18:38:05,682 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)] === [2024-11-10 18:38:05,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:05,682 INFO L85 PathProgramCache]: Analyzing trace with hash 870563220, now seen corresponding path program 1 times [2024-11-10 18:38:05,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:05,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091675994] [2024-11-10 18:38:05,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:05,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:05,747 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:05,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:05,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091675994] [2024-11-10 18:38:05,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091675994] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:05,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098695389] [2024-11-10 18:38:05,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:05,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:05,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:05,749 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) [2024-11-10 18:38:05,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 18:38:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:05,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:38:05,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:05,816 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:05,817 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:05,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098695389] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:05,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:05,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-10 18:38:05,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775396031] [2024-11-10 18:38:05,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:05,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:38:05,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:05,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:38:05,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:38:05,870 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) [2024-11-10 18:38:06,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:06,047 INFO L93 Difference]: Finished difference Result 8655 states and 11690 transitions. [2024-11-10 18:38:06,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:38:06,048 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 [2024-11-10 18:38:06,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:06,080 INFO L225 Difference]: With dead ends: 8655 [2024-11-10 18:38:06,080 INFO L226 Difference]: Without dead ends: 8654 [2024-11-10 18:38:06,088 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 [2024-11-10 18:38:06,089 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:38:06,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 175 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:38:06,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8654 states. [2024-11-10 18:38:06,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8654 to 7078. [2024-11-10 18:38:06,225 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) [2024-11-10 18:38:06,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7078 states to 7078 states and 9486 transitions. [2024-11-10 18:38:06,239 INFO L78 Accepts]: Start accepts. Automaton has 7078 states and 9486 transitions. Word has length 33 [2024-11-10 18:38:06,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:06,240 INFO L471 AbstractCegarLoop]: Abstraction has 7078 states and 9486 transitions. [2024-11-10 18:38:06,240 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) [2024-11-10 18:38:06,240 INFO L276 IsEmpty]: Start isEmpty. Operand 7078 states and 9486 transitions. [2024-11-10 18:38:06,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-10 18:38:06,241 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:06,241 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1] [2024-11-10 18:38:06,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 18:38:06,442 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 [2024-11-10 18:38:06,443 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)] === [2024-11-10 18:38:06,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:06,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1879561312, now seen corresponding path program 1 times [2024-11-10 18:38:06,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:06,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416216535] [2024-11-10 18:38:06,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:06,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:06,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:06,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416216535] [2024-11-10 18:38:06,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416216535] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:06,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690449859] [2024-11-10 18:38:06,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:06,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:06,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:06,493 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) [2024-11-10 18:38:06,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 18:38:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:06,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:38:06,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:06,568 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:06,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:06,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690449859] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:06,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:06,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-10 18:38:06,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320547210] [2024-11-10 18:38:06,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:06,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 18:38:06,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:06,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 18:38:06,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:38:06,654 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) [2024-11-10 18:38:06,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:06,961 INFO L93 Difference]: Finished difference Result 20607 states and 27782 transitions. [2024-11-10 18:38:06,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 18:38:06,961 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 [2024-11-10 18:38:06,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:06,993 INFO L225 Difference]: With dead ends: 20607 [2024-11-10 18:38:06,993 INFO L226 Difference]: Without dead ends: 20606 [2024-11-10 18:38:07,004 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 [2024-11-10 18:38:07,005 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 [2024-11-10 18:38:07,005 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] [2024-11-10 18:38:07,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20606 states. [2024-11-10 18:38:07,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20606 to 16872. [2024-11-10 18:38:07,468 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) [2024-11-10 18:38:07,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16872 states to 16872 states and 22539 transitions. [2024-11-10 18:38:07,493 INFO L78 Accepts]: Start accepts. Automaton has 16872 states and 22539 transitions. Word has length 39 [2024-11-10 18:38:07,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:07,493 INFO L471 AbstractCegarLoop]: Abstraction has 16872 states and 22539 transitions. [2024-11-10 18:38:07,494 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) [2024-11-10 18:38:07,494 INFO L276 IsEmpty]: Start isEmpty. Operand 16872 states and 22539 transitions. [2024-11-10 18:38:07,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-10 18:38:07,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:07,495 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2024-11-10 18:38:07,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 18:38:07,695 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 [2024-11-10 18:38:07,696 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)] === [2024-11-10 18:38:07,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:07,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1388994443, now seen corresponding path program 2 times [2024-11-10 18:38:07,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:07,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397669130] [2024-11-10 18:38:07,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:07,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:07,751 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:07,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:07,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397669130] [2024-11-10 18:38:07,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397669130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:07,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356455500] [2024-11-10 18:38:07,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:38:07,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:07,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:07,753 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) [2024-11-10 18:38:07,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 18:38:07,784 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:38:07,784 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:38:07,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:38:07,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:07,831 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:07,831 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:07,908 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:07,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356455500] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:07,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:07,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-10 18:38:07,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371405999] [2024-11-10 18:38:07,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:07,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:38:07,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:07,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:38:07,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:38:07,910 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) [2024-11-10 18:38:08,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:08,675 INFO L93 Difference]: Finished difference Result 57799 states and 78488 transitions. [2024-11-10 18:38:08,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 18:38:08,675 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 [2024-11-10 18:38:08,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:08,788 INFO L225 Difference]: With dead ends: 57799 [2024-11-10 18:38:08,788 INFO L226 Difference]: Without dead ends: 57797 [2024-11-10 18:38:08,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:38:08,811 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 [2024-11-10 18:38:08,811 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] [2024-11-10 18:38:08,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57797 states. [2024-11-10 18:38:09,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57797 to 36474. [2024-11-10 18:38:09,802 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) [2024-11-10 18:38:09,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36474 states to 36474 states and 48073 transitions. [2024-11-10 18:38:09,853 INFO L78 Accepts]: Start accepts. Automaton has 36474 states and 48073 transitions. Word has length 51 [2024-11-10 18:38:09,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:09,853 INFO L471 AbstractCegarLoop]: Abstraction has 36474 states and 48073 transitions. [2024-11-10 18:38:09,853 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) [2024-11-10 18:38:09,853 INFO L276 IsEmpty]: Start isEmpty. Operand 36474 states and 48073 transitions. [2024-11-10 18:38:09,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-10 18:38:09,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:09,855 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2024-11-10 18:38:09,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 18:38:10,059 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 [2024-11-10 18:38:10,060 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)] === [2024-11-10 18:38:10,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:10,060 INFO L85 PathProgramCache]: Analyzing trace with hash -549000893, now seen corresponding path program 2 times [2024-11-10 18:38:10,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:10,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053186460] [2024-11-10 18:38:10,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:10,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:10,135 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:10,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:10,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053186460] [2024-11-10 18:38:10,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053186460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:10,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578411187] [2024-11-10 18:38:10,135 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:38:10,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:10,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:10,140 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) [2024-11-10 18:38:10,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 18:38:10,169 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:38:10,170 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:38:10,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:38:10,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:10,245 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:10,246 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:10,368 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:10,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578411187] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:10,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:10,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-10 18:38:10,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949784856] [2024-11-10 18:38:10,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:10,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:38:10,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:10,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:38:10,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:38:10,373 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) [2024-11-10 18:38:12,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:12,010 INFO L93 Difference]: Finished difference Result 124751 states and 167228 transitions. [2024-11-10 18:38:12,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 18:38:12,010 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 [2024-11-10 18:38:12,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:12,188 INFO L225 Difference]: With dead ends: 124751 [2024-11-10 18:38:12,188 INFO L226 Difference]: Without dead ends: 124749 [2024-11-10 18:38:12,219 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 [2024-11-10 18:38:12,219 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 [2024-11-10 18:38:12,219 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] [2024-11-10 18:38:12,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124749 states. [2024-11-10 18:38:14,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124749 to 78788. [2024-11-10 18:38:14,352 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) [2024-11-10 18:38:14,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78788 states to 78788 states and 102507 transitions. [2024-11-10 18:38:14,478 INFO L78 Accepts]: Start accepts. Automaton has 78788 states and 102507 transitions. Word has length 61 [2024-11-10 18:38:14,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:14,478 INFO L471 AbstractCegarLoop]: Abstraction has 78788 states and 102507 transitions. [2024-11-10 18:38:14,479 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) [2024-11-10 18:38:14,479 INFO L276 IsEmpty]: Start isEmpty. Operand 78788 states and 102507 transitions. [2024-11-10 18:38:14,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-10 18:38:14,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:14,482 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 1, 1, 1] [2024-11-10 18:38:14,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-10 18:38:14,683 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 [2024-11-10 18:38:14,683 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)] === [2024-11-10 18:38:14,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:14,683 INFO L85 PathProgramCache]: Analyzing trace with hash 1602501652, now seen corresponding path program 2 times [2024-11-10 18:38:14,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:14,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610969644] [2024-11-10 18:38:14,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:14,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:14,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:14,787 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:14,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:14,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610969644] [2024-11-10 18:38:14,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610969644] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:14,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049600655] [2024-11-10 18:38:14,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:38:14,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:14,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:14,790 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) [2024-11-10 18:38:14,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 18:38:14,827 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:38:14,827 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:38:14,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:38:14,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:15,083 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:15,083 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:15,220 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:15,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049600655] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:15,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:15,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-10 18:38:15,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560256598] [2024-11-10 18:38:15,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:15,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 18:38:15,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:15,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 18:38:15,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:38:15,224 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) [2024-11-10 18:38:19,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:19,110 INFO L93 Difference]: Finished difference Result 278298 states and 364459 transitions. [2024-11-10 18:38:19,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 18:38:19,111 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 [2024-11-10 18:38:19,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:19,775 INFO L225 Difference]: With dead ends: 278298 [2024-11-10 18:38:19,775 INFO L226 Difference]: Without dead ends: 278297 [2024-11-10 18:38:19,834 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 [2024-11-10 18:38:19,842 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 [2024-11-10 18:38:19,843 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] [2024-11-10 18:38:19,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278297 states. [2024-11-10 18:38:24,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278297 to 155058. [2024-11-10 18:38:24,739 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) [2024-11-10 18:38:25,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155058 states to 155058 states and 200517 transitions. [2024-11-10 18:38:25,364 INFO L78 Accepts]: Start accepts. Automaton has 155058 states and 200517 transitions. Word has length 77 [2024-11-10 18:38:25,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:38:25,365 INFO L471 AbstractCegarLoop]: Abstraction has 155058 states and 200517 transitions. [2024-11-10 18:38:25,365 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) [2024-11-10 18:38:25,365 INFO L276 IsEmpty]: Start isEmpty. Operand 155058 states and 200517 transitions. [2024-11-10 18:38:25,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-10 18:38:25,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:38:25,371 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 1, 1, 1] [2024-11-10 18:38:25,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 18:38:25,571 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 [2024-11-10 18:38:25,572 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)] === [2024-11-10 18:38:25,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:38:25,573 INFO L85 PathProgramCache]: Analyzing trace with hash 374002400, now seen corresponding path program 2 times [2024-11-10 18:38:25,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:38:25,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729394398] [2024-11-10 18:38:25,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:38:25,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:38:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:38:25,671 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:25,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:38:25,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729394398] [2024-11-10 18:38:25,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729394398] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:38:25,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669913627] [2024-11-10 18:38:25,672 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:38:25,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:38:25,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:38:25,674 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) [2024-11-10 18:38:25,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 18:38:25,707 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:38:25,707 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:38:25,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:38:25,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:38:25,784 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:25,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:38:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:38:25,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [669913627] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:38:25,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:38:25,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2024-11-10 18:38:25,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187264244] [2024-11-10 18:38:25,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:38:25,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 18:38:25,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:38:25,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 18:38:25,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:38:25,925 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) [2024-11-10 18:38:36,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:38:36,455 INFO L93 Difference]: Finished difference Result 547266 states and 712459 transitions. [2024-11-10 18:38:36,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 18:38:36,456 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 [2024-11-10 18:38:36,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:38:38,225 INFO L225 Difference]: With dead ends: 547266 [2024-11-10 18:38:38,225 INFO L226 Difference]: Without dead ends: 547265 [2024-11-10 18:38:38,474 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 [2024-11-10 18:38:38,478 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 [2024-11-10 18:38:38,482 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] [2024-11-10 18:38:39,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547265 states.